GB/T 3077 15CrMo alloy steel
GB/T 3077 15CrMo alloy steel
GB/T 3077 15CrMo alloy steel 15CrMo Steel pipe material grade is 15CrMo, is a high-quality low-alloy structural steel, which contains CR, MO more, its high temperature, corrosion-resistant performance is very good. The 15CrMo-series Pearlite-heat-resisting steels have high thermal strength (
GB/T 3077 15CrMo alloy steel
15CrMo Steel pipe material grade is 15CrMo, is a high-quality low-alloy structural steel, which contains CR, MO more, its high temperature, corrosion-resistant performance is very good.
The 15CrMo-series Pearlite-heat-resisting steels have high thermal strength (Δb≥440mpa) and anti-oxidation at high temperature, and have certain capability of resisting hydrogen corrosion. Because of the high content of CR, C and other alloying elements in steel, the hardening tendency of steel is obvious and the weld ability is poor.
15CrMo steel chemical composition:
Grade |
15CrMo steel chemical composition (mass fraction) ( % ) |
||||||||
C |
Mn |
Si |
Cr |
Mo |
Ni |
Nb + Ta |
S |
P |
|
15CrMo |
0.12 ~ 0.18 |
0.40 ~ 0.70 |
0.17 ~ 0.37 |
0.80 ~ 1.10 |
0.40 ~ 0.55 |
≤0.30 |
_ |
≤0.035 |
≤0.035 |
15CrMo mechanical properties of steel
Grade |
Tensile strength MPa |
Yield point MPa |
Elongation ( % ) |
15CrMo steel pipe |
440 ~ 640 |
235 |
twenty one |
15CrMo alloy seamless steel tube for its high temperature resistance, low temperature resistance , corrosion resistance has huge advantage over other seamless steel tubes, so the alloy tube are widely used in petroleum, chemical, electric power, boiler and other industries.
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