40Cr10Si2Mo HEAT RESISTANT STEEL
2025-12-24 12:38:29 Origin： Remark：0 Click：
GB/T 1221 material specifications wire rod 40Cr10Si2Mo heat resistant & martensitic steel round bar, flat bar, stock available, cold drawn wire, quenched 1030℃ heat treated
MATERIAL DESIGNATION - 40Cr10Si2Mo wire rod
Material specifications - GB/T 1221 -2007 heat resisting steel
Stock available - rod and round bar diam. 8.0 ~ 130 mm
Typical chemical compositions (mass fraction %)
Carbon, C (％): 0.35 ~ 0.45Silicon, Si (％): 1.90 ~ 2.60
Manganese, Mn (％): ≤ 0.70
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 9.00 ~ 10.50
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): 0.70 ~ 0.90
Molybdenum, Mo (％): 0.70 ~ 0.90
Ferrum, Fe (%): remainder.
MECHANICAL PROPERTY AT ROOM TEMPERATURE
Forms: rod, round bar, flat bar
Heat treatment practice: annealing hardness: HB 269 max.
quenched 1010 ~ 1040 ℃, oil cooled
tempered 720 ~ 760 ℃, air cooled.
Tensile strength, Rm ≥ MPa: 885
Yield strength, Rp0.2 ≥ MPa: 685
Tensile strength, Rm ≥ MPa: 885
Yield strength, Rp0.2 ≥ MPa: 685
Elongation, A5 ≥ (％): 10.0
Reduction of area, Z ≥ (％): 35.0
Hardness via heat treatment / HBW.: -
Reduction of area, Z ≥ (％): 35.0
Hardness via heat treatment / HBW.: -
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.
Raw material in stock
Custom 450 / GD450 / XM-25 (S45000), 403 ESR, 1.4935 / AISI 616 / 422 ESR, B50A365 / 403Cb
17-4PH / 630, M-152 / 1.4938 / S151D, FV520B / S143 / 1.4594. X22CrMoV12-1 / 1.4923
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
AISI 615 / S41800, 15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286 / 1.4980
10705 BB/BC, 10705BU, 10705MBU, 10705AJ.
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