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Car Hydraulic Hollow Steel Pipe 15mm Cold Finishing EN10305 E235 E355 Material

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 ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 OD 6-120mm
Thickness 0.5-15mm Length 12000mm Max
Shape Round Type Welded Or Seamless
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Car Hydraulic Hollow Steel Pipe


EN10305 Hollow Steel Pipe


Hollow Steel Pipe 15mm

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Product Description

EN10305 E235 E355 Cold Finishing Hollow Steel Round Tube For Car Hydraulic System



Product Name
E235 E355 Precision Steel Tube
Carbon Steel, Alloy Steel,etc
Cold Rolled, Cold Drawn
Black, Natural or As per customer's Request
ASTM A 106 GR A & B, A 53 GR A & B, ASTM A 333, Gr 1 to 6 (IBR & NON IBR),APL 5L GR.A & B,API 5 L GR.X-42,X-46,X-52,X-56,X-60,X-65 & X-70 IN PSL 1 & PSL 2;
ASTM A 335, GR P 1, P 2, P 5, P 9, P 11, P 12, P 22, P 91, GR T 1, T 2, T 5, T 9, T 11, T 12,T 22, T 91(IBR & NON IBR);
S10C,S15C,S20C,S45C, St37,St35.8,St45-8,St52,St52.4,etc.
Round,Square,Rectagular,Oval,Special Shape according to csutomer's requirement
Outer Diameter(OD)
2~406mm; DN6~DN400
Wall Thickness(WT)
1~60mm; SCH5S~SCH40~SCH60~SCH80~XXS
According to standard or Customized
Fixed Length: 5.8m, 6m, 7m,can cut to be short parts
Random Length or as request
Product,Size,Heat No.According to customer's demand
Plain ends,Bevelled ends,Square cut
Machinery,Bearing,Hydraulic equipment, Automobile parts, Steel sleeve,Military,Etc.
Delivery Condition
BK(+C), BKW(+LC), BKS(+SR), GBK(+A),NBK( +N)


Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 6-350mm

WT: 1.0-35mm

1. Standard:
EN10305-2 Cold Drawn Precision Seamless Steel Pipes

2. Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.

3. Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance


4. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing

5. Deliver condition:
1) +C No heat treatment after the final cold drawing process
2) +LC After the final heat treatment there is a suitable drawing pass
3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere