Heat resisting steel 12Cr5Mo
2026-08-22 08:34:00 Origin： Remark：0 Click：
NB/T 47008 - 2017 carbon and alloy steel forgings for pressure equipment 12Cr5Mo heat treated round bar, plate, peeled rod, stock available plate
TECHNICAL DATA SHEET - GB 12Cr5Mo
Steel type: 5.0Cr - 0.5Mo - 0.12C base alloy steel
Technical standards: NB/T 47008 - 2017
Stock in hand: round bar, plate
Profile and dimension:
Rod, round bar, disc (diameter): 6.0 ~ 800 mm
Square bar, flat bar: 10 ~ 550 mm
Plate, sheet, strip: T 0.5 ~ 300 X W 10 ~ 1000 X L mm
TYPICAL CHEMICAL ELEMENTS (mass weight - %)
Carbon, C (％): ≤ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): ≤ 0.60
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 4.00 ~ 6.00
Molybdenum, Mo (％): 0.45 ~ 0.65
Nickel, Ni (％): ≤ 0.50
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): -
Niobium, Nb (％): -
Titanium, Ti (％): -
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 4.00 ~ 6.00
Molybdenum, Mo (％): 0.45 ~ 0.65
Nickel, Ni (％): ≤ 0.50
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): -
Niobium, Nb (％): -
Titanium, Ti (％): -
Aluminum, Al (%): -
Nitrogen, N (%): -
Ferrum, Fe (%): remainder.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT PRACTICE
Heat treatment temperature / ℃ | annealing: -
Heat treatment temperature / ℃ | normalizing: -
Heat treatment temperature / ℃ | quenching: -
Heat treatment temperature / ℃ | tempering : 680
Hardness after annealing, ≤ HB: -
Tensile strength, Rm ≥ MPa: 590 ~ 760
Yield strength, Rp0.2 ≥ MPa: 390
Elongation, A5 ≥ (%): 18.0
Reduction of area, Z ≥ (%): 20.0
Impact strength, AKv ≥ J: 47
Nitrogen, N (%): -
Ferrum, Fe (%): remainder.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT PRACTICE
Heat treatment temperature / ℃ | annealing: -
Heat treatment temperature / ℃ | normalizing: -
Heat treatment temperature / ℃ | quenching: -
Heat treatment temperature / ℃ | tempering : 680
Hardness after annealing, ≤ HB: -
Tensile strength, Rm ≥ MPa: 590 ~ 760
Yield strength, Rp0.2 ≥ MPa: 390
Elongation, A5 ≥ (%): 18.0
Reduction of area, Z ≥ (%): 20.0
Impact strength, AKv ≥ J: 47
Hardness after final heat treatment, HB: -
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Mechanical parts - connecting rod, bolt and nuts.
Multi-diameter shaft, pressure vessel parts.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, mechanical gears, gear shaft, main axis, valve rod.
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.
If you are interested in our products or services, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Mechanical parts - connecting rod, bolt and nuts.
Multi-diameter shaft, pressure vessel parts.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, mechanical gears, gear shaft, main axis, valve rod.
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.
If you are interested in our products or services, pleased to EMAIL (sales@ccsteels.com) our qualified production engineers or sales department.
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