DIN2391 ST37.4 Seamless Cold Drawn Carbon Steel Precision Tube
Standard: Standard: ASTM A106/A179/A192/A210/A213/A519 ; DIN2391/DIN17175/EN10305 ; GB8162/GB8163/GB3639 ,etc.
Surface treatment: transparent oil, rust-proof black oil or black painted or as requested.
Material: 10#, 20#, 45#, Q345B/16Mn, A106 B, API 5L B, API X52, A333 Gr.6,etc.
Application: The seamless steel pipe features resistance to high pressure, high /low temperature and corrosion and is used in the petroleum, chemical engineering and electric power as well as boiler.
Advantages:
1.20 + years of production experience at your service.
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice.
5.100% export.
6. Our products EXPORT to Africa, Oceania, mid east, eastern Asia, Western Europe etc.
Chemical Component of Material (%):
Category |
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Cr |
|
20#, ASTM A106,A53 |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
0.25 max |
|
45#, ASTM 1045,
|
0.42~0.50 |
0.17~0.37 |
0.50~0.80 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
0.25 max |
|
16Mn, ASTM A210 Gr. C, DIN St52
|
0.12~0.20 |
0.20~0.55 |
1.20~1.60 |
0.035 max |
0.035 max |
0.25 max |
0.25 max |
0.25 max |
|
45Mn2, ASTM A1345 |
0.42~0.49 |
0.17~0.37 |
1.40~1.80 |
0.035 max |
0.035 max |
0.3 max |
0.3 max |
0.30 max |
Mechanical properties of Material:
Category |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
20# |
390min |
245min |
20min |
45# |
590min |
335min |
14min |
16Mn |
490min |
325min |
21min |
45Mn2 |
885min |
735min |
10min |

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