Trade assurance 1045 1020 4130 4140 Seamless cold rolled steel tube

  • 10-19 Metric Tons
  • 20-29 Metric Tons
  • >=30 Metric Tons
- + Metric Tons available
0piecesselected, US $in total
View Details
Shipping fee:
Depends on the order quantity.
Lead Time:
45 day(s) after payment received
Contact Supplier
Report Suspicious Activity
Quick Details
ASTM A1020-2002, DIN 1626, DIN 2391, DIN 17175
Grade Group:
10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, STPG42
20#, 45#, 16Mn, Q345, St52, St52.4, STB42, STPG42, 20#,16Mn,St52,10#-45#,ST35-ST52
3 - 30 mm
Section Shape:
Outer Diameter(Round):
30 - 300 mm
Place of Origin:
Shandong, China
Hydraulic Pipe, Hydraulic cylinder
Cold Drawn
ISO 9001 2015
Surface Treatment:
According to the custome's need
Special Pipe:
Alloy Or Not:
Secondary Or Not:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
50X50X550 cm
Single gross weight:
1200.0 kg
Package Type:
Lead Time :
Quantity(Metric Ton) 1 - 30 >30
Est. Time(days) 45 To be negotiated

In stock trade assurance support Seamless cold rolled steel tube

Company Information:




OD 33mm - 250mm(1"~16") with thickness of 3~30mm


GB/T8162,GB/T8163 and DIN/JIS/ASTM standard

a. DIN Standard  


45#(DIN CK45),16mn(ST52.4) etc.

b. JIS Standard

10#(STPG38,STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C),

45#(JIS S45C), 16mn(STS49,STPT49) etc.

c. ASTM/AISI Standard

10#(ASTM a106/53 Gr.B,A192,A179-C),

20#(ASTM A106/53 Gr.B, A178-C,A210-A-1,A315-B,AISI1020),

45#(AISI1045), 16mn(ASTM A210-C) etc.


mechanical and also the hydraulic and penumatic cylinder


 Plastic Caps and mark on the pipe  rust oil protectedorwooden package

payment term

T/T or L/C at sight.


cold drawning, hot rolling or hot expanding.

Min order

10 tons, more quantity price will be lower.


OD +/-1%,Thickness  +12.5% / -10%,length  +/-2 cm

If you have any questions, please do not hesitate to let us know, thanks!







Product Description

Xinpeng (Estabilish in 1992)  Offer:

1. cold drawn/rolled steel pipe without anneal +BK condition 

2. cold drawn/rolled steel pipe annealed +BKS  condition

3. ID honed/SRB steel pipe, OD without polishing.

4. ID honed/SRB steel pipe, OD Polished.

Cold Rolled Tube +BK (No Anneal)Cold Drawn Tube+BK (No anneal)
Cold Drawn Tube +BKSCold Rolled Tube +BKS 


The difference between precision steel pipe and seamless pipe:

1. The seamless steel tube with obvious difference is that dimensional accuracy can be up to 0.1mm.

2. High precision steel pipe diameter surface finish, the customer without processing can be used directly and ordinary seamless steel tube to the customer and lather, polishing processing.


hydraulic cylinder tube st52 din2391  inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface rust proofing

1. The smaller outer diameter

2. High precision to do small batch production

3. Cold drawn finished products of high precision, good surface quality

4. The steel pipe transverse area is more complex

5. Steel pipe is superior performance, dense metal


Our Certificate

Xinpeng have passed ISO9001:2015 verified.

Better quality System control best quality .

We have our own Labroarty on the mechanical test and UT testing! 

Qualiry Team 15 persons , Target of us is 3000PPM!

Our Team

Xinpeng  have more than 100 hundred professional workers on the steel pipe. 

Technology team : 10 persons.       Quality team : 15 persons.

Manage team: 6 persons.               Sales team: 15persons. 

Aftersale team 5 persons.              Wokers more than 50 persons. 

Choose us you are correct!





widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestry machinery, etc.


Our Services

1. 24hours service via phone ,wechat alibaba trade manager. 

2. Good package and best container method.

3. Professional explanation with professional online service

4. Factory manufacturer can assure the best quality. 

5. Good delivery time as 15-30 days .

6. 3 years product assurance after usuage.

7. Good quality process in our own factory,

   each lot tube have their own 5 years'life card.

we always do our best to make deal with any clients, welcome to inquiry at any time!




You May Like
Not exactly what you want? 1 request, multiple quotations Get Quotations Now >>
You May Like