X12CNDV12
2026-04-15 12:30:00 Origin： Remark：0 Click：
NF A35-578 of steel X12CNDV12 hardened round bar, flat bar, gas turbine blade steel forgings AMS 5719 plate - ESR, hot forged, rolled, heat treated
TECHNICAL DATA SHEET - X12CNDV12
Technical specifications: NF A35-578 (1991)
Stock & inventory: round bar 50 ~ 210 mm, ESR ingot
Stock & inventory: round bar 50 ~ 210 mm, ESR ingot
Typical chemical elements (mass weight - %)
Carbon, C (％): 0.08 ~ 0.13
Silicon, Si (％): ≤ 0.35
Manganese, Mn (％): 0.50 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Molybdenum, Mo (％): 1.50 ~ 2.00
Silicon, Si (％): ≤ 0.35
Manganese, Mn (％): 0.50 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Molybdenum, Mo (％): 1.50 ~ 2.00
Nickel, Ni (%): 2.00 ~ 3.00
Vanadium, V (％): 0.25 ~ 0.40
Nitrogen, N (%): 0.02 ~ 0.04
TYPICAL MECHANICAL PROPERTIES
Tensile strength, Rm ≥ MPa: 1100
Yield strength, Rp0.2 ≥ Mpa: 860
Elongation, A5 ≥ (%): 12.0
Hardness HBW: 341 ~ 375
Yield strength, Rp0.2 ≥ Mpa: 860
Elongation, A5 ≥ (%): 12.0
Hardness HBW: 341 ~ 375
Hardness HBS: 310 max in annealed condition.
HEAT TREATMENT PRACTICE
Annealed: 691° C (+/-11) for 6 hours min followed by air cool
Hardened:1052° C (+/-) for 30 mins followed by oil quench
1st Tempered: 560-590° C for 1 hour min followed by air cool
2nd Tempered: 538-560° C for 3 hours min followed by air cool.
Annealed: 691° C (+/-11) for 6 hours min followed by air cool
Hardened:1052° C (+/-) for 30 mins followed by oil quench
1st Tempered: 560-590° C for 1 hour min followed by air cool
2nd Tempered: 538-560° C for 3 hours min followed by air cool.
MELTING PROCESS
X12CNDV12 alloy is usually produced by BEF + VD, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
X12CNDV12 alloy is usually produced by BEF + VD, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
PROFILE & DIMENSIONS
Round bar & disc (diameter): 6.0 ~ 850 mm
Flat bar (width X thickness): 1 ~ 400 X 4 ~ 600 mm
Length: random length or based on the customer's special requirement.
Forgings: per buyer's requirement.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical inquiry, pleased to EMAIL our resident team of qualified production engineers - Email: sales@ccsteels.com.
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