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GB3087 20# seamless steel pipe
GB3087 20# seamless steel pipe is made of steel ingot or solid tube blank through perforation, and then made by hot rolling, cold rolling or cold drawing. The steel pipe of GB3087 standard requires cold bending test in addition to the general experimental requirements for steel pipes for fluid transportation.
GB3087 20# Mechanical properties
Standard |
Steel Code |
Tensile Strength(MPa |
Yield Strength(MPa |
Elongation Percent(% |
Impact Power(J |
Rigidity |
|
GB3087 |
20 |
410-550 |
≥245 |
≥20 |
|
/ |
| Standard |
Steel Code |
Chemical Componet(%) |
|||||||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
AL |
W |
NB |
N |
||
|
GB3087 |
20 |
0.17∼0.23 |
0.17∼0.37 |
0.38∼0.6 |
≤0.030 |
≤0.030 |
0.3∼0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
|
|
|
GB3087 20# application can be offered by KATALOR in China, KATALOR is professional GB3087 20# suppliers and manufacturer,if you need 20# price and specification ,please contact us.