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Home / Products / Precision Steel Tube / Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength
Quality Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength factory
Quality Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength factory
Quality Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength factory
Quality Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength factory

Auto Gas Spring Carbon Steel Seamless Pipe Torich DIN 2391 St37 High Strength

Basic Properties
Place of Origin: Zhejiang China
Brand Name: TORICH
Certification: ISO 9001
Model Number: DIN 2391
Trading Properties
Minimum Order Quantity: 1 Ton
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 500 Ton Per Month
Tags

precision steel pipe

precision seamless pipe

precision pipes and tubes
Product Summary
gas spring precision seamless steel pipe DIN2391 Carbon Seamless Steel Pipe Tube German Standard: Chemical Composition Standard Steel Grade C(%) Si(%) Mn(%) S(%) P(%) DIN 2391 St35 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025 St37 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025 St37.4 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025 St45 ≤0.21 ...

Product Details

Highlight:

precision steel pipe

,

precision seamless pipe
Load Type: Gas
Usage: Automobile;Auto;Car
Color Of Of Steel Pipe Tube: Slivery Of Steel Pipe Tube
Craft Of Steel Pipe Tube: Sold Drawn & Cold Rolled
Certification: ISO 9001
Name: Carbon Steel Seamless Pipe
Product Description

gas spring precision seamless steel pipe

DIN2391 Carbon Seamless Steel Pipe Tube

German Standard:

Chemical Composition

 

Standard

 

 

Steel Grade

 

 C(%) Si(%) Mn(%) S(%) P(%)
DIN 2391 St35 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025
St37 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025
St37.4 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025
St45 ≤0.21 ≤0.35 ≥0.40 ≤0.025 ≤0.025
St44 ≤0.21 ≤0.35 ≥0.40 ≤0.025 ≤0.025
St52 ≤0.22 ≤0.35 ≥1.60 ≤0.025

≤0.025

 

 

 

Mechanical Property:

Standard Steel Grade Mechanical Performance
GBK(+A) NBK(+N)

Tensile

Strength

(Rm mpa)

Elongation

rate

(A5 %)

Tensile

Strength

(Rm mpa)

Yield

Strength

(Reh mpa)

Elongation

rate

(A5 %)
DIN 2391 St35 ≥315 ≥25 346-478 ≥235 ≥25
St37 ≥315 ≥25 346-478 ≥235 ≥25
St37.4 ≥315 ≥25 346-478 ≥235 ≥25
St45 ≥390 ≥21 440-570 ≥255 ≥21
St44 ≥390 ≥21 440-570 ≥255 ≥21
St52 ≥490 ≥22 490-630 ≥355 ≥22

 

 

Other Specification:

 

End Shape

Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's

requirements

Surface

Treatment

 Oiled, Galvanized, Phosphate etc
Technique Cold drawn & cold rolled
Application 1. Automotive and mechanical pipes
2. Petroleum cracking pipes
3. High Pressure Boiler Pipe
4. Low and middle pressure fluid transportation pipeline
5. Chemical fertilizer equipment pipes
6. Heat exchanger pipes

Delivery

Conditions

 1. BK (+C) No heat treatment after last cold forming process.
2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
5. NBK (+N)

After the final cold forming process the tubes are annealed above the upper transformation

point in a controlled atmosphere.

Package 1. Bundle Packing.
2. Plain end or vanished as per customer's request.
3. Wrapped in waterproof paper.
4. Sackcloth with several steel strips.
5. Pack in heavy tri-wall boxes.

 

Mr. Richard SHEN

Managing Director

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