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Factory Supply Good Mechanical Property ST52 STKM13A Carbon Steel Tube
Apr 22, 2017

Our Carbon Tube

1.Seamless steel tube and carbon steel tube
Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 E355 and AISI 1020. We can also offer as customized seamless steel tube.
2.cold drawn steel tube/cold rolled steel pipe
Grade: 20# 45# 16Mn 25Mn 27SiMn E355 ST52 CK45 STKM11A STKM13A STKM13C
Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519
Range: 30-300mm
Length: 11m(max)
The cold process can change the thickness of tube to meet client's request and offer better mechanical property. 

3. Honed steel tube&SRB steel pipe
ID Tolerance: H8 H9
ID Roughness: RA0.4micron(max)
Length: 6m(max)
Inner roughness: Ra0.2-0.8um
Straightness: 1:1000 or customized
This process can improve the roughness of the inner tube to 0.2-0.8um and make inside tube more smooth which can be used for cylinder directly.

4.hydraulic steel tube and cylinder steel tube

honed tube上.jpg

honed tube下.jpg

Packing & Delivery

With long term agreement with wellknown shipping company and forwarder , we can get best rate on ocean freight
1. standard export packing using plastic foam and wooden cartons
2. marking as per customer's requests
3. or as client's request totally