Heat resisting steel 10Cr9Mo1VNbN
2026-08-26 09:24:28 Origin： Remark：0 Click：
NB/T 47008-2017 carbon and alloy steel forgings for pressure equipment 10Cr9Mo1VNbN heat treated round bar, plate, stock available
TECHNICAL DATA SHEET - GB 10Cr9Mo1VNbN
Steel type: 9.0Cr - 1.0Mo - 0.2V - 0.10C base alloy steel
Technical specification: NB/T 47008 - 2017
Stock in hand: plate, flat bar
Profiles and dimensions:
Rod, round bar, disc (diameter): 6.0 ~ 850 mm
Square bar, flat bar: 10 ~ 600 mm
Plate, sheet, strip: T 0.5 ~ 350 x W 15 ~ 1200 x L mm
TYPICAL CHEMICAL ELEMENTS (mass weight - %)
Carbon, C (％): 0.08 ~ 0.12
Silicon, Si (％): 0.20 ~ 0.50
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 8.00 ~ 9.50
Molybdenum, Mo (％): 0.85 ~ 1.05
Nickel, Ni (％): ≤ 0.40
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): 0.18 ~ 0.25
Niobium, Nb (％): 0.06 ~ 0.10
Titanium, Ti (％): ≤ 0.010
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 8.00 ~ 9.50
Molybdenum, Mo (％): 0.85 ~ 1.05
Nickel, Ni (％): ≤ 0.40
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): 0.18 ~ 0.25
Niobium, Nb (％): 0.06 ~ 0.10
Titanium, Ti (％): ≤ 0.010
Aluminum, Al (%): ≤ 0.020
Nitrogen, N (%): 0.030 ~ 0.070
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT PRACTICE
Heat treatment temperature ℃, annealing: -
Heat treatment temperature ℃, normalizing: -
Heat treatment temperature ℃, quenching: -
Heat treatment temperature ℃, tempering : 740
Hardness after annealing, ≤ HB: -
Tensile strength, Rm: 585 ~ 760 MPa
Yield strength, Rp0.2: 415 MPa Min.
Elongation, A5: 18.0% Min.
Reduction of area, Z: 20.0% Min.
Impact strength, AKv: 47J Min.
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT PRACTICE
Heat treatment temperature ℃, annealing: -
Heat treatment temperature ℃, normalizing: -
Heat treatment temperature ℃, quenching: -
Heat treatment temperature ℃, tempering : 740
Hardness after annealing, ≤ HB: -
Tensile strength, Rm: 585 ~ 760 MPa
Yield strength, Rp0.2: 415 MPa Min.
Elongation, A5: 18.0% Min.
Reduction of area, Z: 20.0% Min.
Impact strength, AKv: 47J Min.
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.
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.
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