Heat resisting steel 10Cr9MoW2VNbBN
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NB/T 47008 - 2017 carbon and alloy steel forgings for pressure equipment 10Cr9MoW2VNbBN heat treated round bar, plate 10Cr9MoW2VNbBN stock available flat bar, cold finished
TECHNICAL DATA SHEET - GB 10Cr9MoW2VNbBN
Steel type: 9.0Cr - 0.45Mo - 1.75W - 0.2V - 0.1C base alloy steel
Technical specification: NB/T 47008 - 2017
Stock in hand: round bar, 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 (％): 0.07 ~ 0.13
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 8.50 ~ 9.50
Molybdenum, Mo (％): 0.30 ~ 0.60
Nickel, Ni (％): ≤ 0.40
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): 0.15 ~ 0.25
Niobium, Nb (％): 0.04 ~ 0.09
Titanium, Ti (％): ≤ 0.010
Phosphorus, P (％): ≤ 0.020
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 8.50 ~ 9.50
Molybdenum, Mo (％): 0.30 ~ 0.60
Nickel, Ni (％): ≤ 0.40
Copper, Cu (%): ≤ 0.20
Vanadium, V (%): 0.15 ~ 0.25
Niobium, Nb (％): 0.04 ~ 0.09
Titanium, Ti (％): ≤ 0.010
Aluminum, Al (%): ≤ 0.020
Nitrogen, N (%): 0.030 ~ 0.070
Boron, B (%): 0.0010 ~ 0.0060
Tungsten, W (%): 1.50 ~ 2.00
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 : 740 degree centrigrade
Hardness after annealing, ≤ HB: -
Tensile strength, Rm: 620 ~ 790 MPa
Yield strength, Rp0.2: 440 MPa Min.
Elongation, A5: 18.0% Min.
Reduction of area, Z: 20.0% Min.
Impact strength, AKv: 41J Min.
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 : 740 degree centrigrade
Hardness after annealing, ≤ HB: -
Tensile strength, Rm: 620 ~ 790 MPa
Yield strength, Rp0.2: 440 MPa Min.
Elongation, A5: 18.0% Min.
Reduction of area, Z: 20.0% Min.
Impact strength, AKv: 41J Min.
Hardness after final heat treatment, HB: -
PRODUCT DESCRIPTION
10Cr9MoW2VNbNB is usually produced by EAF + VD + LF / BEF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied black in the annealed condition.
Heat treatment condition- normalized + tempered quenched + tempered.
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.
PRODUCT DESCRIPTION
10Cr9MoW2VNbNB is usually produced by EAF + VD + LF / BEF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied black in the annealed condition.
Heat treatment condition- normalized + tempered quenched + tempered.
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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