X12CNDV12
2019-10-09 09:49:54 Origin： Remark：0 Click：
Specification NF A35-578 of steel X12CNDV12 Round bar, Flat bar, Ring forging AMS 5719 Bar, Wire rod, Sheet - steelmaking, ESR, hot forging, Rolling, Heat treatment.
TECHNICAL DATA SHEET - Martensitic Steel 12CNDV12
TECHNICAL SPECIFICATIONS - NF A35-578 (1991)
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
HS CODE: 72221100 / 72221900
CHEMICAL COMPOSITION (mass weight - %)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.08 ~ 0.13
Silicon, Si (％): ≤ 0.35
Manganese, Mn (％): 0.50 ~ 0.90
Phosphorus, P (％)≤: 0.020
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 (％)≤: 0.020
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, σb≥ /MPa: 1100
Yield strength, σs≥ /Mpa: 860
Elongation, δ5 ≥(%): 12.0
Hardness HBW: 341 ~ 375
Yield strength, σs≥ /Mpa: 860
Elongation, δ5 ≥(%): 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
The alloy is usually produced by BEF + AOD / EAF, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
PRODUCT PROFILE & DIMENSIONS
Round bar (Diameter): 5.5 ~ 550mm
Flat bar (width X thickness): 1 ~ 400 X 4 ~ 800mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
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.
The alloy is usually produced by BEF + AOD / EAF, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
PRODUCT PROFILE & DIMENSIONS
Round bar (Diameter): 5.5 ~ 550mm
Flat bar (width X thickness): 1 ~ 400 X 4 ~ 800mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
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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