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Round ERW Welded Hollow Steel Tube ST52.4 E355 For Car Hydraulic System

Place of Origin: Jiangsu, China
Brand Name: Hongbao
Certification: TS16949,DNV,PED,ISO,TUV,LR
Model Number: HBHST-1
Minimum Order Quantity: 1 ton
Price: Negotiable
Packaging Details: Original packaging according to the customers Export standard package in bundled or as required.
Delivery Time: within 50 days
Supply Ability: 30000MT per year
Product Details
Brand:: Hongbao Certificate:: TS16949,DNV,PED,ISO,TUV,LR
Material:: E235,E355,26MnB5,34MnB5 OD:: 6-120mm
Thickness:: 0.5-15mm Length:: 12000mm Max
High Light:

hollow steel bar


hollow steel pipe

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Product Description

Round ERW Welded Hollow Steel Tube For Car Hydraulic System St52.4 E355

Advantaged Product Specification
English Chinese

Outside Diameter




From 1/2 to 5 From SCH40 to XXS From 25 to 356 From4 to 80
Length From 2m to 12.5m in accordance with customers' requirements


Chisese American German
10# ASTM A53-A St37 DIN1626
ASTM A106-A St37-2 DIN17175
ASTM A179-C St35.8 DIN17175
ASTM A192 St35.8 DIN17175
20# ASTM A53-B St42-2 DIN1626
ASTM A106-B St45-8 DIN17175
ASTM A178-C St45-4 DIN1629
45# ASTM A1045 CK45
16Mn ASTM A210-C St52 DIN1629
37Mn5 J55  
CrMo ASTM 4135,4150 CrMo4 DIN17212
40Cr ASTM 5140 41Cr4

Delivery Condition
1. NBK(+N)
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
2. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
3. BK(+C)
the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee