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hdpe square tube

5 Metric Tons (Min. Order)
US $400-600 / Metric Ton (FOB Price)
Place of Origin: CN;TIA
Grade: Q235;Q195-Q345
Thickness: 0.8 - 30 mm
Surface Treatment: Galvanized
Secondary Or Not: Non-secondary
Technique: Hot Rolled
China (Mainland) Contact Details
US $8,000 Trade Assurance Limit

Q235 galvanized square steel pipe and tubes

5 Metric Tons (Min. Order)
US $400-1400 / Metric Ton (FOB Price)
Place of Origin: CN;JIA
Grade: 20#;45#;16Mn;10#-45#;16Mn
Thickness: 0.16 - 0.57 inch;≥4mm(0.16inch)
Outer Diameter: 1.57 - 15.7 inch
Secondary Or Not: Non-secondary
Technique: Cold Drawn
China (Mainland) Contact Details
US $27,000 Trade Assurance Limit

Weight MS Hollow Section Square Steel Tube

2 Pieces (Min. Order)
US $500-850 / Ton (FOB Price)
Place of Origin: CN;SHN
Application: structure pipe
Brand Name: XINJIYUAN
Steel Grade: 300 Series
Outer Diameter: 20*30-600*800
Certification: ISO;CE&ISO BV&SGS appoved
China (Mainland) Contact Details
US $22,000 Trade Assurance Limit
69.2% Response Rate

RECTANGULAR / SQUARE STEEL PIPE / TUBES HOLLOW SECTION GALVANZIED / BLACK ANNEALING

20 Metric Tons (Min. Order)
US $568.78-798.65 / Metric Ton (FOB Price)
Place of Origin: CN;TIA
Grade: 20#;45#;Q195;Q215;Q235;Q345;10#-45#;Q195-Q345
Thickness: 0.8 - 11.75 mm
Surface Treatment: Copper Coated
Secondary Or Not: Non-secondary
Technique: ERW

Astm BS GB DIN Hot dipped galvanized square tube/ rectangular pipes

25 Tons (Min. Order)
US $600-850 / Ton (FOB Price)
Place of Origin: CN;TIA
Grade: 10#;20#;45#;12Cr2Mo;15MnV;Q235;10#-45#;Cr-Mo alloy;Mn-V alloy;Q195-Q345
Thickness: 0.8 - 15 mm
Surface Treatment: Galvanized
Secondary Or Not: Non-secondary
Technique: Hot Rolled

China manufacturer hot sale Black square tube Q235 factory price

5 Tons (Min. Order)
US $600-700 / Ton (FOB Price)
Outer Diameter: 10*10-100*100mm
Thickness: 0.4 - 2.0 mm
Grade: Q195,Q235,Q195-Q345
Standard: ASTM A53-2007,DIN EN 10025,GB/T 13793-1992,ASTM,DIN,GB
Application: structure ,construciton, furniture
Technique: Cold Rolled
China (Mainland) Contact Details
US $36,000 Trade Assurance Limit
77.6% Response Rate

Carbon Square Tube Q235

10 Tons (Min. Order)
US $580-790 / Ton (FOB Price)
Outer Diameter: 15*15-400*400mm
Thickness: 0.6 - 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 / Low-pressure liquid delivery
Technique: ERW
China (Mainland) Contact Details
US $13,000 Trade Assurance Limit
84.8% Response Rate

tianjin manufacture ERW hollow q235 square steel tube

1 Ton (Min. Order)
US $450-700 / Ton (FOB Price)
Outer Diameter: 15x15-600x600
Thickness: 0.5 - 30 mm
Grade: 16Mn,A53(A,B),A312,St45,Q235,A53-A369,ST35-ST52,Q195-Q345,Q195 Q215 Q235 Q345
Standard: BS 1387,BS 4568,GB/T9711,ASTM A53M-2007,BS,GB,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $124,000 Trade Assurance Limit
56.8% Response Rate

Q235 Welded Square Tube,ms square steel pipe for table

2 Tons (Min. Order)
US $600-700 / Ton (FOB Price)
Thickness: 0.4 - 27 mm
Grade: 10#,20#,A106(B,C),A53(A,B),Q195,Q215,Q235,Q345,St35.8,St37,St37-2,St52,10#-45#,A53-A369,Q195-Q345,ST35-ST52
Standard: ASTM A106-2006,ASTM A213-2001,ASTM A53-2007,BS 1387,BS 4568,GB/T 3091-2001,ASTM,BS,GB
Application: Structure Pipe
Technique: ERW
Section Shape: Square
China (Mainland) Contact Details
US $17,000 Trade Assurance Limit
67.8% Response Rate

q235 square steel tubes for construction & real estate

3 Metric Tons (Min. Order)
US $680-780 / Metric Ton (FOB Price)
Outer Diameter: 10X10-600X600mm
Thickness: 0.5 - 25 mm
Grade: 10#,20#,45#,A106(B,C),A53(A,B),Q195,Q215,Q235,Q345,St37,St52,10#-45#,A53-A369,Q195-Q345,ST35-ST52
Standard: ASTM A213-2001,ASTM A53-2007,BS 1387,BS EN 39,DIN 2444,DIN EN 10216-1-2004,DIN EN 10217-1-2005,GB/T 3091-2001,JIS G3444-2006,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $31,000 Trade Assurance Limit
41.4% Response Rate

Black square steel tube Q235

25 Metric Tons (Min. Order)
US $600-750 / Metric Ton (FOB Price)
Outer Diameter: DN90
Thickness: 1 - 80 mm
Grade: 10#,20#,45#,Q235,Q345,Q195,Q215,10#-45#,Q195-Q345,Q195-345
Standard: GB 5310-1995,GB 3087-1999,GB/T 8163-1999,GB/T 8162-1999,DIN EN 10216-1-2004,SEW680,DIN EN 10208-1-1998,DIN 2391,ASTM A106-2006,ASTM A213-2001,ASTM A312-2001,ASTM A53-2007,ASTM A182-2001,GB,DIN,ASTM,ASTM,JIS,GB,BS
Application: Structure Pipe
Technique: Cold Rolled,ERW and Hot Rolled
China (Mainland) Contact Details
US $8,000 Trade Assurance Limit

Q235 Square Steel Tube for Angle Warehouse Ladder from China

0.5 Metric Tons (Min. Order)
US $500-700 / Metric Ton (FOB Price)
Outer Diameter: 10x10mm -100x100mm
Thickness: 1.0 - 6.0 mm
Grade: St37,Q235,Q345,Q195,Q215,ST35-ST52,Q195-Q345
Standard: BS 1387,BS 6363,JIS G3466,GB/T 13793-1992,GB/T 3094-2000,DIN 1626,ASTM A53-2007,BS,JIS,GB,DIN,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $93,000 Trade Assurance Limit
74.4% Response Rate

ERW welded carbon black square steel tube Q235 Q345 manufacturer

5 Tons (Min. Order)
US $580-670 / Ton (FOB Price)
Outer Diameter: 10*10mm-600*600mm
Thickness: 0.5 - 200 mm
Grade: 10#,16Mn,Q235,Q195,Q215,10#-45#,Q195-Q345,Q195,Q235,Q215,16Mn
Standard: BS 1387,GB 6479-2000,BS,GB,ASTM A500,GB/T6728
Application: Structure Pipe
Technique: ERW, ERW
Verified Supplier - Tianjin Bridge Steel Co., Ltd.
China (Mainland) Contact Details
US $29,000 Trade Assurance Limit
24.0% Response Rate

Q235 square steel tube lowest price

10 Tons (Min. Order)
US $500-650 / Ton (FOB Price)
Outer Diameter: 30*30-200*200mm
Thickness: 1.5 - 10.5 mm
Grade: Q235,Q195-Q345
Standard: API 5L,ASTM A106-2006,ASTM A53-2007,GB/T 3091-2001,API,ASTM,GB
Application: Structure Pipe,Structure pipe
Technique: Hot Rolled
China (Mainland) Contact Details
US $15,000 Trade Assurance Limit
73.8% Response Rate

ms square tube / Q235 square pipe / rectangular tubeline

25 Tons (Min. Order)
Outer Diameter: 20mm-400mm
Thickness: 1.2 - 15 mm
Grade: 10#,20#,45#,Q235,Q345,Q195,10#-45#,Q195-Q345
Standard: BS EN10296,ASTM A213-2001,ASTM A789-2001,ANSI A213-2001,BS,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $21,000 Trade Assurance Limit
57.4% Response Rate

Q235 welded square tube,suqare hollow section

10 Metric Tons (Min. Order)
US $680-780 / Metric Ton (FOB Price)
Outer Diameter: 15*15-400*400mm
Thickness: 0.5 - 25 mm
Grade: A53(A,B),St37,St42,Q235,Q345,Q195,Q215,A53-A369,ST35-ST52,Q195-Q345
Standard: BS 1387,BS EN10219,BS EN10217,DIN EN 10305,DIN EN 10025,ASTM A53-2007,BS,DIN,ASTM
Application: Structure Pipe
Technique: ERW

Q235 steel square tube size

10 Tons (Min. Order)
US $560-800 / Ton (FOB Price)
Thickness: 0.5-20mm
Application: Structure Pipe
Steel Grade: 200 Series
Standard: JIS,AISI,ASTM,GB,DIN,EN
Certification: ISO
Type: Welded
China (Mainland) Contact Details
US $8,000 Trade Assurance Limit
40.0% Response Rate

Q235 square tube 100x100,carbon steel square pipe,erw square tube for water transport

1 Ton (Min. Order)
US $600-1000 / Ton (FOB Price)
Outer Diameter: 10-1000,10*10-600*600mm
Thickness: 0.5 - 20 mm
Grade: 20#,45#,10Cr9Mo1VNb,16Mn,A106(B,C),A269,A333 Gr6,A53(A,B),API J55,API L80,Q195,Q215,Q235,ST35,St35.4,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52,Q195, Q215,Q235,Q390, ss400, 20# st52.3, 304, 201, 316,321
Standard: API 5CT,API 5L,ASTM A333-2005,ASTM A53-2007,BS EN10025,DIN 1626,DIN 17175,GB/T 3091-2001,JIS G3459-2004,JIS G3466,API,ASTM,BS,DIN,GB,JIS
Application: Oil Pipe
Technique: Cold Rolled
China (Mainland) Contact Details
US $15,000 Trade Assurance Limit
67.6% Response Rate

Manufacture Supply Q235 Galvanized Square Tube

50 Tons (Min. Order)
Outer Diameter: 20*20-600*600mm
Thickness: 0.3 - 30 mm,0.8-30mm
Grade: 10#,20#,45#,10#-45#,Q195-Q345
Standard: JIS G3466,GB/T 12770-2002,GB/T 14975-2002,ANSI A213M-2001,JIS,GB,ASTM, BS, GB, ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $16,000 Trade Assurance Limit
70.9% Response Rate

q235 square tube size factory

25 Tons (Min. Order)
US $400-700 / Ton (FOB Price)
Outer Diameter: 10*10-600*600
Thickness: 0.5 - 110 mm
Grade: 10#,20#,45#,16Mn,A106(B,C),A312,A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345
Standard: ASTM A106-2006,ASTM A213-2001,ASTM A53-2007,GB 5310-1995,GB/T8162,GB/T8163,JIS G3444-2006,ASTM,GB,JIS
Application: Chemical Fertilizer Pipe
Technique: ERW
China (Mainland) Contact Details
US $16,000 Trade Assurance Limit
84.0% Response Rate

mild steel square tube/q235 steel pipe

1 Piece (Min. Order)
US $1-1000 / Piece (FOB Price)
Outer Diameter: 15 - 1626 mm
Thickness: 2 - 30 mm
Grade: 10#,20#,45#,16Mn,A192,A210,API J55,API K55,API L80,API N80,API P110,Q195,Q215,Q235,Q345,10#-45#,A53-A369,API J55-API P110,Q195-Q345
Standard: API 5CT,API 5L,ASTM A106-2006,ASTM A210-1996,ASTM A252-1998,ASTM A53-2007,BS 1387,DIN 1629/3,GB 13296-2007,GB 3087-1999,GB 5130,GB/T 3087,GB/T 3091-2001,GB/T 3093-2002,JIS G3444-2006,API,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe
Technique: ERW

China cheap steel tube Q235 square tube galvanized and stainless steel tube

25 Tons (Min. Order)
Outer Diameter: 10-610mm
Thickness: 1.73 - 30 mm,1.73mm-30mm
Grade: 10#,20#,45#,Q235,Q345,Q195,Q215,10#-45#,Q195-Q345
Standard: DIN 1626,DIN 1629/4,ASTM A333-2005,DIN,ASTM
Application: Structure Pipe
Technique: Cold Rolled
China (Mainland) Contact Details
US $11,000 Trade Assurance Limit
72.3% Response Rate

Asian black iron square tube/q235 rectangular steel tube from china tianjin/rectangular and squares shapes

2 Tons (Min. Order)
Thickness: 0.1 - 1.5 inch
Grade: 10#,20#,45#,10Cr9Mo1VNb,15NiCuMoNb5,16Mn,Q195,Q215,Q235,Q345,10#-45#,Q195-Q345
Standard: ASTM A513-2007,ASTM A523-1996,ASTM A53M-2007,ASTM A660-1996,ASTM A671-2006,ASTM A672-2006,BS 1139,BS 6323,BS EN 10297,DIN 2391,DIN 2448,GB 6479-2000,GB/T 12770-2002,GB/T 14976-2002,ASTM,BS,DIN,GB
Application: structural/fluid pipe/gas/oil/and more
Technique: Hot Rolled
Section Shape: Round/square/rectangular/On your request

China crazy selling Q235 150x50 square tube for structure

20 Tons (Min. Order)
US $425-560 / Ton (FOB Price)
Outer Diameter: 35*35 MM
Thickness: 1.5 - 12 mm
Grade: 20#,A106(B,C),A333,A53(A,B),Q215,Q235,Q345,ST35,St37,St37-2,St52,10#-45#,A53-A369,Q195-Q345,ST35-ST52
Standard: API 5L,ASTM A53-2007,BS 6323,BS EN 39,DIN 1626,GB/T 13793-1992,GB/T 3091-2001,JIS G3452-2004,JIS G3457-2005,API,ASTM,BS,DIN,GB,JIS
Application: Structure Pipe
Technique: ERW

High demand q235 100x100 square tube

1 Metric Ton (Min. Order)
US $300-600 / Metric Ton (FOB Price)
Outer Diameter: 10*10-600*600mm
Thickness: 1 - 20 mm
Grade: 10#,20#,45#,16Mn,A106(B,C),A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345
Standard: ASTM A106-2006,ASTM A213-2001,ASTM A53-2007,BS 1139,BS 1387,BS EN10217,JIS G3466,ASTM,BS,JIS
Application: Structure Pipe
Technique: ERW

galvanized square tubes Q235

5 Tons (Min. Order)
US $600-780 / Ton (FOB Price)
Outer Diameter: 20*40--200*400
Thickness: 1.2 - 14 mm
Grade: A53(A,B),Q195,Q235,St37,A53-A369,Q195-Q345,ST35-ST52
Standard: ASTM A53-2007,BS 1387,ASTM,BS,ASTM&BS1387
Application: Structure Pipe
Technique: Hot Rolled,Welded

GB/T 6728 welded galvanized square tube Q235

1 Ton (Min. Order)
US $714-723 / Ton (FOB Price)
Outer Diameter: 15 - 200 mm
Thickness: 1 - 30 mm
Grade: 10#,10#-45#
Standard: API 5L,ANSI B36.10M-2004,ASTM A179-1990,ASTM A53-2007,BS 1387,DIN 1626,DIN 1629/4,DIN 2448,GB/T 8162-1999,GB/T 9711.3-2005,GB/T8162,GB/T8163,API,ASTM,BS,DIN,GB
Application: Fluid Pipe
Technique: ERW

Hot rolled /cold rolled /ERW ms hollow q235 erw square tubes

10 Tons (Min. Order)
US $3-200 / Piece (FOB Price)
Outer Diameter: 10x10mm~500x500mm
Thickness: 06 - 25 mm
Grade: 10#,20#,45#,Q235,Q345,Q195,10#-45#,Q195-Q345
Standard: JIS G3444-2006,ASTM A53M-2007,ASTM A450-1996,API 5CT,JIS,ASTM,API,JIS G3444:2006
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $30,000 Trade Assurance Limit
84.7% Response Rate

STEEL BOX SECTION Q345 Q235 STEEL SQUARE TUBES

10 Tons (Min. Order)
US $620-690 / Ton (FOB Price)
Outer Diameter: 15*15mm-500*500mm
Thickness: 1.0 - 15 mm
Grade: A53(A,B),Q235,Q345,Q195,Q215,A53-A369,Q195-Q345
Standard: BS 1387,BS EN10296,BS 6323,BS 6363,BS EN10219,GB/T 3091-2001,GB/T 13793-1992,GB/T 9711.3-2005,GB/T3901,ASTM A53-2007,ASTM A671-2006,ASTM A252-1998,ASTM A450-1996,ASME B36.10M-2004,ASTM A523-1996,BS,GB,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $30,000 Trade Assurance Limit
82.9% Response Rate

Q235 Galvanized square tube/HD galvanized carbon tube

20 Tons (Min. Order)
US $620-770 / Ton (FOB Price)
Outer Diameter: 20-500mm
Thickness: 0.5 - 20 mm
Grade: 20#,45#,A53(A,B),34CrMo4,16Mo,Q195,Q215,Q235,Q345,St37,St37-2,St52,STBA22,10#-45#,A53-A369,Cr-Mo alloy,Mo,Q195-Q345,ST35-ST52,STBA20-STBA26
Standard: ASTM A1020-2002,DIN 28180-2007,GB 18248-2000,GB/T 14975-2002,JIS G3462-2004,JIS STPG380,ASTM,DIN,GB,JIS
Application: Oil Pipe
Technique: EFW

Q235 Galvanized Square Tube for Structure

10 Tons (Min. Order)
US $660-780 / Ton (FOB Price)
Outer Diameter: 15*15-600*600mm
Thickness: 1.4 - 12 mm
Grade: A53(A,B),Q195,Q215,Q235,Q345,St37-2,St42,A53-A369,Q195-Q345,ST35-ST52
Standard: BS 1387,BS EN10219,BS
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $30,000 Trade Assurance Limit
89.8% Response Rate

Q235 Welded Square Tube From Tianjin

20 Tons (Min. Order)
US $500-680 / Ton (FOB Price)
Outer Diameter: 250-700mm
Thickness: 7 - 20 mm
Grade: 20#,45#,16Mn,A53(A,B),St45-8,St52.4,St45-4,STB42,STPG42,Q235,Q345,10#-45#,A53-A369,ST35-ST52,STB35-STB42,Q195-Q345
Standard: BS EN10025,JIS G3454-2007,JIS G3452-2004,JIS G3456-2004,JIS G3457-2005,GB/T 13793-1992,DIN 1626,DIN 1629/3,DIN 1629/4,DIN 17175,ASTM A53-2007,API 5L,BS,JIS,GB,DIN,ASTM,API
Application: Oil Pipe
Technique: Extruded

Q235 square tube galvanized price galvanized steel square tube

10 Metric Tons (Min. Order)
US $500-800 / Metric Ton (FOB Price)
Outer Diameter: 20*20--500*500mm
Thickness: 0.8 - 8 mm,0.8mm-8mm
Grade: A53(A,B),A106(B,C),A269,A213,A200,Q235,Q345,Q195,Q215,A53-A369,Q195-Q345
Standard: BS 1387,BS 1139,BS 6323,BS 4568,GB 13296-2007,GB 6479-2000,GB/T 12771-2000,ASTM A106-2006,ASTM A53-2007,ASTM A53M-2007,BS,GB,ASTM
Application: Fluid Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
US $20,000 Trade Assurance Limit
65.8% Response Rate

Q235 carbon square tube with high quality

25 Tons (Min. Order)
US $555-755 / Ton (FOB Price)
Outer Diameter: 40-200
Thickness: 2.0 - 12 mm
Grade: Q195,Q215,Q235,Q345,Q195-Q345
Standard: ASTM A53-2007,ASTM
Application: Structure Pipe
Technique: Hot Rolled
China (Mainland) Contact Details
36.4% Response Rate

Q235 Squar Tube

25 Metric Tons (Min. Order)
US $600-700 / Metric Ton (FOB Price)
Thickness: 0.45 - 20 mm
Grade: A53(A,B),API L80,Q235,Q345,Q195,Q215,A53-A369,API J55-API P110,Q195-Q345
Standard: GB/T 3094-2000,DIN EN 10216-1-2004,DIN EN 10217-1-2005,API 5CT,GB,DIN,API
Application: Structure Pipe
Technique: Cold Rolled
Section Shape: Square
China (Mainland) Contact Details
74.8% Response Rate

High quality competitive price Chinese supplier Q235 square steel tube

50 Tons (Min. Order)
US $600-800 / Ton (FOB Price)
Outer Diameter: 10mm*10mm-500mm*500mm
Thickness: 0.6 - 14 mm
Standard: ASTM A210-1996,ANSI A213-2001,ASTM A234-2007,ASTM A53M-2007,ASTM A450-1996,ASTM A789M-2001,ANSI B36.10M-2004,ASME B36.19M-1985,ASTM
Application: Structure Pipe
Technique: Cold Drawn
Section Shape: Square
China (Mainland) Contact Details
7.7% Response Rate

Q235 square steel tube,Q345 square steel tube,q345 square pipe

10 Tons (Min. Order)
US $100-1000 / Ton (FOB Price)
Thickness: 3.0 - 30 mm
Grade: 20#,16Mn,A53(A,B),A106(B,C),API N80,Q235,Q345,Q195,10#-45#,A53-A369,API J55-API P110,Q195-Q345
Standard: JIS G3466,GB/T 3090-2000,API 5L,JIS,GB,API,JIS G3466, GB/T 3094-2000, API 5L
Application: Boiler Pipe
Technique: ERW
Section Shape: Square
China (Mainland) Contact Details
17.9% Response Rate

Q195 Q215 Q235 Square Steel Tube

25 Metric Tons (Min. Order)
US $800-900 / Metric Ton (FOB Price)
Outer Diameter: 20*20mm-400*400mm
Thickness: 1.0 - 12 mm,1.0-12mm
Grade: Q235,Q345,Q195,Q215,Q195-Q345,Q195 Q215 Q235 Q275 Q345
Standard: BS 1387,BS 1139,BS EN 10297,BS EN 39,BS EN10219,BS EN10217,GB/T 3091-2001,GB/T 13793-1992,ASTM A53-2007,BS,GB,ASTM,ASTM BS GB DIN
Application: Structure Pipe
Technique: ERW
Verified Supplier - Sino Metal Material Co., Ltd.
China (Mainland) Contact Details
US $22,000 Trade Assurance Limit
86.3% Response Rate

Q235 material square tube for furniture

25 Tons (Min. Order)
US $500-540 / Ton (FOB Price)
Thickness: 1.0 - 7.25 mm
Grade: Q195,Q215,Q235,Q345,Q195-Q345
Standard: API 5DP,API 5L,ASTM A106-2006,BS 1387,GB/T 3094-2000,API,ASTM,BS,GB
Application: Structure Pipe
Technique: ERW
Section Shape: Square
Verified Supplier - Tianjin Ruitong Steel Co., Ltd.
China (Mainland) Contact Details
US $24,000 Trade Assurance Limit

30mm Q235 MS. Square Tube

5 Metric Tons (Min. Order)
US $635-750 / Metric Ton (FOB Price)
Thickness: 0.5 - 30 mm
Grade: 20#,45#,A53(A,B),A106(B,C),A269,A312,St37,St52,St42,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345
Standard: BS 1387,BS 4568,GB/T3901,ASTM A53-2007,ASME B36.19M-1985,BS,GB,ASTM,GB, ASTM, BS, JIS ect
Application: fence,Structure pipe,Fluid Pipe,water,conduit pipe,scaffolding
Technique: ERW
Section Shape: square,rectangular,round
China (Mainland) Contact Details
US $45,000 Trade Assurance Limit
59.2% Response Rate

black annealed Q235 square steel tube

2 Tonnes (Min. Order)
US $490-530 / Ton (FOB Price)
Outer Diameter: 15*15*400*400
Thickness: 0.34 - 17.75 mm
Grade: Q195,Q235,Q345,Q195-Q345
Standard: GB/T3901,GB
Application: Structure Pipe
Technique: ERW

Square Steel Tube Q235 Q345

5 Tons (Min. Order)
US $500-850 / Ton (FOB Price)
Outer Diameter: 15X15MM--800X800MM,20X30MM--600X800MM
Thickness: 1.0 - 40.0 mm
Grade: 20#,16Mn,St37,St52,STPA24,Q235,Q345,Q195,Q215,10#-45#,ST35-ST52,STPA22-STPA26,Q195-Q345
Standard: BS EN10025,BS EN10219,JIS G3466,GB/T 3094-2000,DIN EN 10025,ASTM A106-2006,ASTM A53-2007,ASME B36.10M-2004,BS,JIS,GB,DIN,ASTM
Application: Structure Pipe
Technique: ERW
China (Mainland) Contact Details
US $22,000 Trade Assurance Limit
69.2% Response Rate

q195 q235 steel square tube / galvanzied square tube

1 Metric Ton (Min. Order)
US $400-800 / Metric Ton (FOB Price)
Thickness: 0.2 - 60 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,DIN 2444,ASTM,BS,DIN
Application: Structure Pipe
Technique: ERW
Section Shape: Square
China (Mainland) Contact Details
US $18,000 Trade Assurance Limit
39.2% Response Rate
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