45Cr9Si3 heat resisting steel
2025-12-08 09:59:42 Origin： Remark：0 Click：
Heat resistant & martensitic steel 45Cr9Si3 wire rod, peeled round bar, flat bar stock available, hot rolled, cold drawn, heat treated
MATERIAL DESIGNATION - 45Cr9Si3
Technical specifications - GB/T 1221 -2007 heat resisting steel
Typical chemical compositions (mass weight %)
Carbon, C (％): 0.40 ~ 0.50
Silicon, Si (％): 3.00 ~ 3.50
Manganese, Mn (％): ≤ 0.60
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 7.50 ~ 9.50
Silicon, Si (％): 3.00 ~ 3.50
Manganese, Mn (％): ≤ 0.60
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 7.50 ~ 9.50
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): -
Molybdenum, Mo (％): -
Ferrum, Fe (%): remainder.
MECHANICAL PROPERTY AT ROOM TEMPERATURE
Forms: rod, round bar, flat bar, forgings
Heat treatment practice: annealing: 800 ~ 900 ℃
quenched 900 ~ 1080 ℃, oil cooled
tempered 700 ~ 850 ℃, quick cooled.
Tensile strength, Rm ≥ MPa: 930
Yield strength, Rp0.2 ≥ MPa: 685
Tensile strength, Rm ≥ MPa: 930
Yield strength, Rp0.2 ≥ MPa: 685
Elongation, A5 ≥ (％): 15.0
Reduction of area, Z ≥ (％): 30.0
Hardness via heat treatment / HBW.: 269 min.
Reduction of area, Z ≥ (％): 30.0
Hardness via heat treatment / HBW.: 269 min.
TECHNICAL SALES ASSISTANCE & SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
If you are interested in our products or services, or would like to learn more about us, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
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