Heat resistant steel X12CrNiMoV12-3
2026-09-27 09:17:00 Origin： Remark：0 Click：
X12CrNiMoV12-3, a martensitic Cr-Ni-Mo-V base steel, round bar 1.4938 flat bar, and forging plate, ESR & VAR technique, gas turbine parts processing
TECHNICAL DATA SHEET - X12CrNiMoV12-3
X12CrNiMoV12-3 (1.4938) is usually produced by EF + VD 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 bright in the annealing condition.
Final heat treatment - quenched + tempered + STR.
Technical specifications: DIN EN 103021, 10296, 10095 (2002/1999)
TYPICAL CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.08 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Vanadium, V (％): 0.25 ~ 0.40
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Vanadium, V (％): 0.25 ~ 0.40
Nitrogen, N (%): 0.01 ~ 0.05
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot forming temperature / ℃: 1150 ~ 800
Heat treatment temperature / ℃ | annealing: 660 ~ 690
Heat treatment temperature / ℃ | quenching: 1050±15 oil
Heat treatment temperature / ℃ | tempering: 640 ~ 690
Heat treatment temperature / ℃ | ageing: 590 ~ 640
Condition: heat treatment
Mechanical property under room temperature | σb / MPa : 950 ~ 1150
Mechanical property under room temperature | σs ≥ MPa : 800
Mechanical property under room temperature | δ5 ≥ (％) : 13
Mechanical property under room temperature | Akv : 55
Heat stability temperature/ ℃: 580
Non-scale temperature in air / ℃: 600
INVENTORY - forged round bar D100 - 210 mm
PROFILES & DIMENSIONS
Round bar, rod, disc (diameter): 6.0 to 800 mm
Square bar, flat bar: 8 to 600 mm
Width: 10 to 1000 mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
Pipes & hollow bar: OD50 - 1400 mm, with wall thickness ranging from 15 to 350 mm.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to email (sales@ccsteels.com) or call our resident team of qualified production engineers.
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