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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

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Brand Name : New Era

Model Number : DIN2391/EN10305-1/GB3639

Certification : ISO9001,TS16949

Place of Origin : China

MOQ : 1 tons

Price : Negotiation

Payment Terms : T/T

Supply Ability : 3000 tons/month

Delivery Time : 45 days

Packaging Details : Bundles Package, Wooden Box Package

Product Name : Seamless Steel Tube

Product Process : Hydraulic Cold Drawing Lines

OD Size : 80-256mm

WT Size : 3-30mm

Asset : Stable concentricity

Packing : Bundles Package

MOQ : 5 tons

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Product Name: St45 / 1020 / E255 Hydraulic Cold Drawing Seamless Steel Pipe 80 - 256 MM OD Size with Stable Concentricity
Size Range: OD: 80-256mm, WT: 3-30mm, Length: 5.8m/6m, maximal 11.8m
Application: For precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

Hydraulic Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance


Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment:BKS, GBK, NBK
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.

100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.

Product Name Hydraulic Cold Drawing Seamless Precision Steel Tube
Material St45 / 1020 / E255 etc
Delivery Condition BK, BKW, BKS, GBK, NBK
Standard DIN2391/EN10305-1/GB3639/JIS G3445
Size Range OD: 80-256mm, WT: 3-30mm
Application Mechanical system
Round Billet Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
Keyword Hydraulic Cold Drawing Steel Pipe
Certificate TS16949, ISO 9001
HS code 7304319000
Delivery Time 45 days
Packing Bundles or Wooden Boxes

Steel Grade Chemical Composition
Symbol Material Number

C
Max.

Si
Max.

 Mn

P
Max.

S
Max.
ST35 1.0308 0.17 0.35 ≥0.40 0.025 0.025
ST45 1.0408 0.21 0.35 ≥0.40 0.025 0.025
ST52 1.0580 0.22 0.55 ≤1.60 0.025 0.025

Steel Grade BK BKW BKS
Name No.

Rm
Mpa

A
%

Rm
Mpa

A
%

Rm
Mpa

ReH
Mpa

A
%
ST35 1.0308 480 6 420 10 420 315 14
ST45 1.0408 580 5 520 8 520 375 12
ST52 1.0580 640 4 580 7 580 450 10
Steel Grade GBK NBK
Name No.

Rm
Mpa

A
%

Rm
Mpa

ReH
Mpa

A
%
ST35 1.0308 315 25 340--470 235 25
ST45 1.0408 390 21 440--570 255 21
ST52 1.0580 450 22 490--630 355 22


St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel TubingSt45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing


Product Tags:

cold drawn welded tubes

      

erw welded pipe

      
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