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galvanized square steel pipe,seamless galvanized square tube Q195/DX51D/Q235

US $550-568 / Ton ( FOB Price)
2 Tonnes (Min. Order)
Place of Origin: CN;TIA
Grade: Q195;Q235;Q345;Q195-Q345
Thickness: 0.53 - 2.3 mm
Secondary Or Not: Non-secondary
Technique: ERW
Application: Structure Pipe
China (Mainland) Contact Details
24h-48h Average Response Time

ASTM A500 GR B Seamless Square Steel Tube

US $430-800 / Ton ( FOB Price)
2 Tons (Min. Order)
Place of Origin: CN;SHN
Grade: 20#;45#;16Mn;A210;Q195;Q215;Q235;Q345;St45;10#-45#;16Mn;A53-A369;Q195-Q345;ST35-ST52
Thickness: 1.0 - 35 mm
Secondary Or Not: Non-secondary
Technique: Cold Rolled
Application: Structure Pipe
China (Mainland) Contact Details
48h-72h Average Response Time
54.7% Response Rate

Factory direct sale 16Mnv thickwall pipe/ square & rectangular seamless tube / welded steel tube

US $500-700 / Ton ( FOB Price)
5 Tons (Min. Order)
Place of Origin: CN;TIA
Grade: 10#;20#;45#;16Mn;12Cr2Mo;15MnV;Q235;10#-45#;16Mn;Cr-Mo alloy;Mn-V alloy;Q195-Q345; ASTM A106 A53 q195 - q345 16Mnv
Thickness: 1.0 - 25 mm
Secondary Or Not: Non-secondary
Technique: ERW;ERW Thick wall pipe
Application: Structure Pipe
China (Mainland) Contact Details
<24h Average Response Time
81.8% Response Rate

Cold Drawn Square Seamless Steel Tube

5 Metric Tons (Min. Order)
Place of Origin: CN;ZHE
Grade: 10#;20#;45#;10#-45#
Thickness: 1 - 8 mm
Secondary Or Not: Non-secondary
Technique: Cold Drawn;Seamless
Standard: GB/T3639;GB

Tianjin manufacture Q235B square steel pipe and tubes

US $400-520 / Metric Ton ( FOB Price)
10 Metric Tons (Min. Order)
Place of Origin: CN;TIA
Grade: 16Mn;Q195;Q215;Q235;Q345;St37;St37-2;St52;16Mn;Q195-Q345;ST35-ST52
Thickness: 0.5 - 20 mm
Surface Treatment: Galvanized
Secondary Or Not: Non-secondary
Technique: ERW
China (Mainland) Contact Details
>72h Average Response Time

ASTM A315-B Cold Drawn Seamless Square Steel Tube/ Square Steel Pipe chian manufacturer

US $600-1100 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 21 - 219 mm
Thickness: 0.45 - 12 mm
Grade: 10#,20#,45#,16Mn,A53(A,B),A106(B,C),A135-A,St52,St42,St35.8,St37-2,ST35,Q235,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345
Standard: GB/T 8163-1999,GB/T8162,GB 5130,GB/T5310,DIN 1626,DIN 1629/3,DIN EN 10216-1-2004,DIN 17175,DIN EN 10025,ASTM A106-2006,ASTM A53-2007,ASTM A210-1996,ASTM A179-1990,API 5CT,API 5L,GB,DIN,ASTM,API
Application: mechanical manufacture, construction
Technique: Cold Drawn
China (Mainland) Contact Details
>72h Average Response Time

Steel Rectangular and Square Tube, S355 Seamless Rectangular Steel Tube ASTM A513 Seamless Square Tube

US $600-1000 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 20*20-600*600mm
Thickness: 4 - 60 mm
Grade: 10#,20#,45#,15Mo3,Q235,Q345,Q215,10#-45#,Mo,Q195-Q345
Standard: JIS G3465-2006,GB/T 9711.2-1999,DIN EN 10216-1-2004,ASTM A450-1996,API 5CT,JIS,GB,DIN,ASTM,API
Technique: Hot Rolled
Section Shape: Square
China (Mainland) Contact Details
2 Transactions for US $27,940
>72h Average Response Time
69.8% Response Rate

Q195 seamless carbon steel weld square tube

US $450-500 / Metric Ton ( FOB Price)
10 Metric Tons (Min. Order)
Thickness: 0.5 - 20 mm
Grade: Q195,Q215,Q235,Q195-Q345
Standard: ASTM A53M-2007,BS 1387,GB/T 13793-1992,ASTM,BS,GB
Application: Structure Pipe,handle railings.fence tube,shelves
Technique: Hot Rolled
Section Shape: Square
China (Mainland) Contact Details
1 Transaction for US $70,098
>72h Average Response Time
63.3% Response Rate

2014 square carbon tube rectangular seamless steel tube

US $450-700 / Metric Ton ( FOB Price)
1 Metric Ton (Min. Order)
Thickness: 2 - 40 mm,2-40mm
Grade: 10#,20#,45#,10#-45#
Standard: GB/T 8163-1999,GB/T 3091-2001,API 5L,GB,API
Application: Structure Pipe
Technique: ERW
Section Shape: Square
China (Mainland) Contact Details
48h-72h Average Response Time
64.1% Response Rate

seamless square steel pipes/tubes

US $500-700 / Ton ( FOB Price)
30 Tons (Min. Order)
Outer Diameter: 30*30-500*500mm
Thickness: 2 - 25 mm
Grade: 10#,20#,45#,16Mn,Q195,Q215,Q235,Q345,STBA20,10#-45#,Q195-Q345,STBA20-STBA26
Standard: API 5CT,API 5DP,API 5L,ANSI A182-2001,ANSI A312-2001,ASME B36.19M-1985,BS 1139,BS 4568,BS EN 39,DIN 1626,DIN 17175,GB 13296-2007,GB 5310-1995,GB/T 12771-2000,JIS C8305-1999,API,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe
Technique: Hot Rolled
Verified Supplier - Laiwu Le Ren Trade Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
36.9% Response Rate

Top Quality Cold Drawn Square Seamless Steel Tube

5 Metric Tons (Min. Order)
Outer Diameter: 15-80mm
Thickness: 1 - 8 mm
Grade: 10#,20#,45#,10#-45#
Standard: GB/T3639,ASTM A210-1996,GB,ASTM
Technique: Cold Drawn,Seamless
Section Shape: Square
Tags: Square Pipe

Hot selling ISO certificated sus 304/316 seamless stainless steel square pipe /tube made in china

US $800-1000 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 8*8mm-600*600mm
Thickness: 0.4 - 13 mm
Grade: 10#,16Mn,16Mo,10#-45#,Mo
Standard: ASTM A106-2006,BS EN10025,ASTM,BS
Application: Structure Pipe
Technique: ERW
Verified Supplier - Tianjin JMS Steel Co., Ltd.
China (Mainland) Contact Details
5 Transactions for US $537,913
48h-72h Average Response Time
69.4% Response Rate

Supplier roll carbon square tube/Manufacturer structural seamless steel tube/High quality construction steel pipe

US $450-900 / Ton ( FOB Price)
5 Tons (Min. Order)
Outer Diameter: 2-8 mm,15*15~400*400,16mm*16mm-400m*400mm
Thickness: 1 - 40 mm
Grade: 10#,20#,45#,A192,A199,A200,API J55,Q195,Q215,Q235,Q345,ST35,STBA20,STPA22,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52,STBA20-STBA26,STPA22-STPA26
Standard: API 5CT,API 5DP,API 5L,ASTM A1020-2002,ASTM A179-1990,ASTM A199,ASTM A213-2001,ASTM A254-1997,BS 1139,BS 1387,DIN 1626,DIN 1629/3,GB 13296-2007,GB 18248-2000,JIS C8305-1999,API,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe,fence,Structure pipe,Fluid Pipe,water,conduit pipe,scaffolding
Technique: Hot Rolled
China (Mainland) Contact Details
48h-72h Average Response Time

Cold finished seamless square steel tube

5 Metric Tons (Min. Order)
Outer Diameter: 10*10mm-500*500mm
Thickness: 0.6 - 25 mm
Grade: 10#,20#,45#,16Mn,A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345
Standard: ASTM A106-2006,BS 1139,BS 1387,BS EN10219,JIS G3444-2006,JIS G3466,ASTM,BS,JIS
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
1 Transaction for US $41,703
24h-48h Average Response Time
78.7% Response Rate

Seamless square steel tube( ISO9001:2000)

US $1200-1600 / Ton ( FOB Price)
2 Tons (Min. Order)
Outer Diameter: 12*12-50*50mm
Thickness: 0.5 - 6 mm
Grade: 20#,45#,A53(A,B),A106(B,C),A312,A179-C,A192,St37,St52,St45,St37-2,ST37.4,Q235,Q345,Q195,10#-45#,A53-A369,ST35-ST52,Q195-Q345,A179B, A53B, Q195, Q215, Q235, Q345, A106B, A234B
Standard: BS EN10296,GB 5310-1995,GB 3087-1999,GB/T 8163-1999,GB/T 3639-2000,GB/T3639,DIN 1626,DIN 1629/3,DIN 2391,DIN 17175,ASTM A106-2006,ASTM A213-2001,ASTM A312-2001,ASTM A53-2007,API 5L,BS,JIS,GB,DIN,ASTM,API
Application: Structure Pipe
Technique: Cold Drawn
China (Mainland) Contact Details
3 Transactions for US $12,419
<24h Average Response Time
93.7% Response Rate

Thick-wall seamless square steel tube

US $640-800 / Ton ( FOB Price)
25 Tons (Min. Order)
Outer Diameter: 600
Thickness: 2.5 - 30 mm
Grade: 20#,45#,16Mn,A53(A,B),A106(B,C),St52,St45-8,St45-4,STPG42,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345
Standard: JIS G3446-2004,DIN EN 10216-1-2004,DIN 1629/4,DIN EN 10025,ASTM A53-2007,ASTM A1020-2002,ASTM A672-2006,JIS,DIN,ASTM
Application: Structure Pipe
Technique: Hot Rolled,Welded
China (Mainland) Contact Details
3 Transactions for US $56,005
24h-48h Average Response Time
90.9% Response Rate

Seamless square steel tube

US $550-700 / Ton ( FOB Price)
5 Tons (Min. Order)
Outer Diameter: 15*15-400*400mm
Thickness: 0.5 - 15 mm,0.5-15mm
Grade: 10#,20#,16Mn,A333,A335 P11,A53(A,B),10#-45#,A53-A369,10#, 20#, Q235, Q345, A36, S235JR......
Standard: API 5L,ASME B36.10M-2004,ASTM A199,ASTM A450-1996,ASTM A53M-2007,BS 1139,BS 1387,BS EN 39,DIN 2444,GB 6479-2000,JIS G3429,API,ASTM,BS,DIN,GB,JIS,ASTM, AISI, BS, DIN, GB
Application: structure, chemical, eclectrical....
Technique: Hot Rolled
China (Mainland) Contact Details
>72h Average Response Time

20# Structrue Seamless Square Steel Tube

US $631-1000 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 30*30-200*200mm
Thickness: 1.5 - 10.5 mm
Grade: 20#,10#-45#
Standard: ASTM A106-2006,ASTM A53-2007,ASTM
Application: Structure Pipe,Structure pipe
Technique: Cold Drawn
China (Mainland) Contact Details
3 Transactions for US $47,000
<24h Average Response Time
78.4% Response Rate

Supplier of carbon steel square tube/Manufacturer cold drawn seamless square tubes/High quality steel square pipe

1 Metric Ton (Min. Order)
Outer Diameter: 6*6mm-500*500mm
Thickness: 0.2 - 30 mm
Grade: 10#,20#,45#,A106(B,C),A53(A,B),API J55,API K55,API P110,Q195,Q215,Q235,Q345,St37,St37-2,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52
Standard: ASTM A106-2006,ASTM A335-2006,ASTM A513-2007,ASTM A53-2007,BS 1387,BS 4568,BS EN10217,ASTM,BS
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
1 Transaction for US $13,108
>72h Average Response Time
39.8% Response Rate

seamless square steel tube

US $500-1000 / Metric Ton ( FOB Price)
0.5 Tons (Min. Order)
Outer Diameter: 10mm*10mm~500mm*500mm
Thickness: 0.1 - 50 mm
Grade: 10#,20#,16Mn,A106(B,C),A178-C,A179-C,A192,A210,A213,A335 P5,A53(A,B),12Cr2Mo,Q195,Q235,Q345,10#-45#,A53-A369,Cr-Mo alloy,Q195-Q345
Standard: API 5L,ANSI B36.10M-2004,ASTM A106-2006,ASTM A179-1990,ASTM A210-1996,ASTM A213-2001,ASTM A335M-2006,ASTM A53-2007,ASTM A53M-2007,GB 3087-1999,GB 5310-1995,GB 6479-2000,GB 9948-2006,GB/T 8162-1999,API,ASTM,GB
Application: fluid pipe,boiler,dirll,hydraulic,gas,oil,chemical fertilizer,structur
Technique: ERW
China (Mainland) Contact Details
12 Transactions for US $109,838
48h-72h Average Response Time
63.3% Response Rate

din en 10210 seamless square steel tube

US $500-800 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 15*15-1000*1000
Thickness: 0.8 - 1.2 mm,0.5 - 20mm
Grade: 10#,20#,45#,Q235,Q345,10#-45#,Q195-Q345,10#-45#, A53-A369, ST35-ST52, Q195-Q345
Standard: API 5CT,API 5L,ASTM A106-2006,ASTM A213-2001,ASTM A312-2001,BS 1139,BS 1387,BS EN10296,DIN 1626,GB 5310-1995,JIS G3454-2007,JIS G3459-2004,JIS G3461-2005,JIS G3463-2006,API,ASTM,BS,DIN,GB,JIS,BS 1387, BS EN10219, BS EN10217, ASTM
Application: Drill Pipe
Technique: Cold Rolled,ERW
Verified Supplier - Qingdao Qinyuan Steel Co., Ltd.
China (Mainland) Contact Details
12 Transactions for US $426,794
24h-48h Average Response Time
77.2% Response Rate

seamless square steel tube using in electrical engineering

US $600-880
25 Metric Tons (Min. Order)
Outer Diameter: 30*30-600*600mm
Thickness: 3 - 25 mm
Grade: ST35-ST52,ST37
Standard: GB,ASTM A53-2007
Technique: Seamless
Section Shape: Square
China (Mainland) Contact Details
>72h Average Response Time

seamless steel square pipe/tube

US $400-700 / Ton ( FOB Price)
1 Ton (Min. Order)
Outer Diameter: 10*10-600*600
Thickness: 0.5 - 110 mm
Grade: 10#,20#,45#,16Mn,A53(A,B),A106(B,C),A312,Q235,Q345,Q195,Q215,10#-45#,A53-A369,Q195-Q345
Standard: JIS G3444-2006,GB 5310-1995,GB/T8162,GB/T8163,ASTM A106-2006,ASTM A213-2001,ASTM A53-2007,JIS,GB,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
48h-72h Average Response Time
83.1% Response Rate

Cold Drawn Seamless Galvanized Square Steel Tube

US $480-750 / Metric Ton ( FOB Price)
10 Metric Tons (Min. Order)
Outer Diameter: 10mm-600mm
Thickness: 0.5 - 20 mm,0.5mm-20mm
Grade: 20#,45#,Q235,Q345,Q195,Q215,10#-45#,Q195-Q345
Standard: BS EN 39,JIS G3452-2004,GB/T 14976-2002,ASTM A53M-2007,API 5L,BS,JIS,GB,ASTM,API
Application: Structure Pipe
Technique: Cold Rolled
China (Mainland) Contact Details
1 Transaction for US $20,743
24h-48h Average Response Time
90.6% Response Rate

ASTM A315-B Cold Drawn Seamless Square Steel Tube/ Square Steel Pipe chian manufacturer

US $500-700 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: square pipe DN15-DN200
Thickness: 0.9 - 16 mm
Grade: 10#,20#,45#,16Mn,A106(B,C),A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345
Standard: API 5CT,API 5DP,API 5L,ANSI A213-2001,ASTM A213-2001,ASTM A234-2007,ASTM A254-1997,ASTM A312-2001,ASTM A312M-2001,ASTM A513-2007,BS 1139,BS EN10296,DIN 2444,GB 13296-2007,JIS G3446-2004,API,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
24h-48h Average Response Time
81.0% Response Rate

Thick Wall Seamless Steel Pipe Steel Perforated Square Tube

US $550-800 / Ton ( FOB Price)
25 Tons (Min. Order)
Outer Diameter: 20-200
Thickness: 0.7 - 13 mm
Grade: Q235,Q345,Q195,Q195-Q345
Standard: JIS G3466,ASTM A53-2007,JIS,ASTM,GB/T6728-2002 ASTM A500 Gr. A.B.B JIS G3466
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
<24h Average Response Time
92.8% Response Rate

seamless Stainless steel square tube price

US $1000-5000 / Ton ( FOB Price)
1 Ton (Min. Order)
Thickness: 1 - 30 mm
Section Shape: Square
Brand Name: TXGG
Model Number: 321
color: silver
Place of Origin: CN;TIA
China (Mainland) Contact Details
48h-72h Average Response Time
73.5% Response Rate

Material 20Cr Square Rectangular Hollow Seamless Steel Tube

US $600-900 / Ton ( FOB Price)
5 Tons (Min. Order)
Outer Diameter: 20*20-600*600mm*mm
Thickness: 1 - 35 mm
Grade: 15CrMo,15CrMoG,16Mn,A53(A,B),A106(B,C),A179-C,A335 P1,A213,A315,A178-C,A135-A,St45,St45-4,ST35,ST37.4,Cr-Mo alloy,A53-A369,ST35-ST52
Standard: BS 1387,BS 1139,BS EN10025,JIS G3445-2006,JIS G3456-2004,DIN 1626,DIN 1629/3,DIN EN 10217-1-2005,DIN 17175,ASTM A106-2006,ASTM A53-2007,ASTM A210-1996,ANSI A210-1996,ASTM A335-2006,ASTM A179-1990,BS,JIS,DIN,ASTM
Application: Decoration, Construction
Technique: Cold Rolled
China (Mainland) Contact Details
1 Transaction for US $24,909
>72h Average Response Time
26.1% Response Rate

square hollow steel tube hollow rectangular steel tube seamless square steel tube

US $500-750 / Ton ( FOB Price)
1 Ton (Min. Order)
Outer Diameter: 20x20-500x500mm
Thickness: 0.3 - 30 mm
Grade: 20#,16Mn,Q235,Q345,Q195,Q215,10#-45#,Q195-Q345
Standard: BS EN10025,BS EN10219,JIS G3101,DIN EN 10025,ASTM A106-2006,BS,JIS,DIN,ASTM
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
2 Transactions for US $42,264
>72h Average Response Time
52.6% Response Rate

2015 factory! Supplier of carbon steel square tube/Manufacturer cold drawn seamless square tubes/High quality steel square pipe

US $400-550 / Metric Ton ( FOB Price)
1 Metric Ton (Min. Order)
Outer Diameter: 20~500MM
Thickness: 0.1 - 50 mm
Grade: 10#,20#,45#,10#-45#,Q195 Q235 q345 SS400 A36
Standard: ANSI A213-2001,ANSI A312-2001,ASTM A1020-2002,ASTM A106-2006,ASTM A210-1996,ASTM A312-2001,ASTM A312-2007,ASTM A671-2006,DIN 17175,DIN EN 10216-1-2004,DIN EN 10217-1-2005,GB 3087-1999,ASTM,BS,DIN,GB,JIS,ASTM A500/ GB
Application: Structure Pipe,construction ,industry
Technique: Hot Rolled
China (Mainland) Contact Details
<24h Average Response Time
86.7% Response Rate

ASTM A106 70x 70 seamless carbon steel square tube

US $703-2000 / Metric Ton ( FOB Price)
10 Tons (Min. Order)
Thickness: 0.8 - 15 mm
Grade: 20#,45#,16Mn,A53(A,B),A106(B,C),Q195,Q215,10#-45#,A53-A369,Q195-Q345
Standard: JIS G3459-2004,JIS G3461-2005,JIS G3444-2006,GB 3087-1999,GB 18248-2000,GB 6479-2000,API 5CT,API 5L,JIS,GB,API
Application: Structure Pipe
Technique: ERW
Section Shape: Square
China (Mainland) Contact Details
6 Transactions for US $217,399
<24h Average Response Time
78.8% Response Rate

hot sell seamless square steel tube

US $500-800 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 10*10mm-1000*1000mm
Thickness: 0.3 - 35 mm
Grade: 10Cr9Mo1VNb,API J55,St45,Q235,Q345,Q215,API J55-API P110,ST35-ST52,Q195-Q345
Grade:: 10#,20#,A53(A,B),St37,St52,St42
Standard: GB 13296-2007,API 5CT,GB,API
Application:: Structure Pipe
China (Mainland) Contact Details
24h-48h Average Response Time
89.1% Response Rate

hot rolled galvanized seamless square steel tube

1 Ton (Min. Order)
Outer Diameter: 15*15mm-600*600mm
Thickness: 0.5 - 20 mm
Grade: 10#,20#,A53(A,B),Q235,Q345,Q195,10#-45#,A53-A369,Q195-Q345
Standard: JIS G3462-2004,JIS G3458-2005,JIS G3456-2004,JIS G3467-2006,GB 5310-1995,GB 9948-2006,GB/T8162,GB/T8163,ASTM A106-2006,ASTM A213-2001,ASTM A335-2006,JIS,GB,ASTM
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
<24h Average Response Time
97.8% Response Rate

st 52.3 seamless square steel tube

US $600-900 / Ton ( FOB Price)
25 Tons (Min. Order)
Outer Diameter: 10mm*10mm-1200mm*1200mm
Thickness: 0.6 - 60 mm
Grade: 20#,16Mn,A53(A,B),A106(B,C),A333,A333 Gr6,A210,St37,St52,STPG42,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345
Standard: BS EN10219,JIS G3466,GB/T 3094-2000,DIN 1626,DIN 1629/4,ASME B36.10M-2004,BS,JIS,GB,DIN,ASTM
Application: mechanical manufacture, construction, metallurgy,steel structure etc
Technique: ERW
China (Mainland) Contact Details
48h-72h Average Response Time
66.7% Response Rate

ASTM A315-B Cold Drawn Seamless Square Steel Tube/ Square Steel Pipe china manufacturer

US $450-800 / Ton ( FOB Price)
1 Ton (Min. Order)
Outer Diameter: 10*10~500mm
Thickness: 0.6 - 25 mm
Grade: 10#,20#,45#,16Mn,A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345
Standard: ASTM A106-2006,BS 1139,BS 1387,BS EN10219,JIS G3444-2006,JIS G3466,ASTM,BS,JIS
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
<24h Average Response Time
96.1% Response Rate

Third party inspected square seamless carbon steel tube with competitive advantages

US $600-700 / Metric Ton ( FOB Price)
5 Metric Tons (Min. Order)
Outer Diameter: 14x14~500x500mm
Thickness: 0.5 - 14 mm
Grade: 16Mn,A106(B,C),A192,A213,A214,A335 P1,A335 P11,A335 P9,Q195,Q215,Q235,Q345,St35.8,St37,St52,A53-A369,Q195-Q345,ST35-ST52
Standard: API 5CT,API 5L,ANSI A213-2001,ANSI B36.10M-2004,ASTM A53M-2007,BS EN10025,BS EN10217,BS EN10219,DIN 17175,DIN EN 10216-1-2004,JIS G3441,JIS G3444-2006,API,ASTM,BS,DIN,JIS
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
9 Transactions for US $261,386
<24h Average Response Time
87.2% Response Rate

Seamless Carbon Rectangular/Square Steel Pipe/Tube

US $650-780 / Ton ( FOB Price)
20 Tons (Min. Order)
Outer Diameter: 15*15mm-400*400mm
Thickness: 0.7 - 13 mm
Grade: 10#,20#,16Mn,Q235,Q345,Q195,Q215,10#-45#,Q195-Q345
Standard: BS 1387,GB/T 3091-2001,ASTM A53-2007,BS,GB,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
1 Transaction for US $11,825
48h-72h Average Response Time
74.1% Response Rate

seamless square steel tube

US $800-900 / Metric Ton ( FOB Price)
25 Metric Tons (Min. Order)
Outer Diameter: 20*20mm-400*400mm
Thickness: 1.0 - 12 mm,1.0-12mm
Grade: Q195,Q215,Q235,Q345,Q195-Q345,Q195 Q215 Q235 Q275 Q345
Standard: ASTM A53-2007,BS 1139,BS 1387,BS EN 10297,BS EN 39,BS EN10217,BS EN10219,GB/T 13793-1992,GB/T 3091-2001,ASTM,BS,GB,ASTM BS GB DIN
Application: Structure Pipe
Technique: Cold Rolled
Verified Supplier - Sino Metal Material Co., Ltd.
China (Mainland) Contact Details
<24h Average Response Time
72.0% Response Rate

Hot Rolled Seamless Square Steel Tube for Construction from China Alibaba Supplier

US $500-850 / Metric Ton ( FOB Price)
5 Metric Tons (Min. Order)
Outer Diameter: 10X10mm--600X600mm
Thickness: 0.5 - 20 mm
Grade: A53(A,B),St37,Q235,Q345,Q195,Q215,A53-A369,ST35-ST52,Q195-Q345
Standard: BS 1387,BS EN10296,BS 1139,BS 4568,BS EN 39,JIS G3463-2006,GB 3087-1999,GB/T 3091-2001,DIN 1626,DIN 2444,ASTM A53-2007,BS,JIS,GB,DIN,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
6 Transactions for US $99,119
>72h Average Response Time
39.3% Response Rate

120*120 Seamless Square Hollow Section Steel Tube

US $400-637 / Ton ( FOB Price)
10 Tons (Min. Order)
Outer Diameter: 20*20-800*800MM,20*30-600*800MM,20*20---800*800mm,20*30----600*800mm
Thickness: 2.0 - 40.0 mm
Grade: 20#,45#,16Mn,Q235,Q345,St37,St37-2,St52,10#-45#,Q195-Q345,ST35-ST52
Standard: ASTM A106-2006,BS EN10025,BS EN10219,DIN EN 10025,GB/T 3094-2000,JIS G3466,ASTM,BS,DIN,GB,JIS
Application: machining,steel frame,special automobiles, agricultural machines,
Technique: Cold Rolled
China (Mainland) Contact Details
48h-72h Average Response Time
54.7% Response Rate

Chinese seamless carbon precision stainless square steel tube in steel pipe with standard sizes

US $600-900 / Ton ( FOB Price)
25 Tons (Min. Order)
Outer Diameter: 20*20 70*70 80*80
Thickness: 0.8 - 4 mm,0.8-4mm
Grade: Q235,Q345,Q195,Q195-Q345
Standard: BS 1387,JIS G3459,GB/T3901,BS,JIS,GB
Application: Structure Pipe,Mechanical manufacture,construction,metallurgy,steel struction,etc
Technique: Hot Rolled
China (Mainland) Contact Details
>72h Average Response Time
2.9% Response Rate

square seamless precision steel tube

US $500-700 / Metric Ton ( FOB Price)
0.5 Metric Tons (Min. Order)
Outer Diameter: 10x10mm - 120x120mm
Thickness: 0.5 - 3.0 mm
Grade: Q195,Q215,Q235,Q345,St37,Q195-Q345,ST35-ST52
Standard: ASTM A53-2007,BS 1387,BS 6363,DIN 1626,GB/T 13793-1992,GB/T 3094-2000,JIS G3466,ASTM,BS,DIN,GB,JIS
Application: Furniture Pipe
Technique: ERW
China (Mainland) Contact Details
22 Transactions for US $800,356
48h-72h Average Response Time
79.8% Response Rate

hollow section,Q195-Q235 seamless galvanized square steel tube

US $500-700 / Metric Ton ( FOB Price)
20 Metric Tons (Min. Order)
Thickness: 0.6 - 50 mm
Grade: Q195,Q215,Q235,Q195-Q345
Standard: GB/T 3091-2001,GB
Application: Structure Pipe
Technique: Hot Rolled
Section Shape: Square
China (Mainland) Contact Details
>72h Average Response Time
46.4% Response Rate
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