1.4922
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EN 10088-1 / EN 10302 martensitic steel 1.4922 peeled round bar, flat bar, ESR, milled X20CrMoV12-1 forging, heat treated, cold drawn rod
TECHNICAL DATA SHEET - 1.4922
Material category - martensitic creep-resisting steel
Speical melting process - BEF + AOD / + ESR
Material specifications - DIN 17442,17744, DIN EN 10302, 10095, EN 10088-1 (2005)
Typical chemical elements (mass fraction %)
Carbon, C (％): 0.17 ～ 0.23
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Phromium, Cr (％): 10.0 ～ 12.5
Nickel, Ni (％): 0.30 ~ 0.80
Molybdenum, Mo (％): 0.80 ～ 1.20
Nickel, Ni (％): 0.30 ~ 0.80
Molybdenum, Mo (％): 0.80 ～ 1.20
Vanadium, V (％): 0.20 ~ 0.35
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: 1050 ℃ quenched, oil or air cooled, 720 ~ 770 tempered, air cooled
Tensile strength, Rm / MPa: 700 ~ 850
Tensile strength, Rm / MPa: 700 ~ 850
Yield strength, Rp0.2 ≥ MPa: 500
Elongation, δ5 ≥ (％): 16.0
Elongation, δ5 ≥ (％): 16.0
Non-scale temperature in Air: 700℃
Martensitic steel - Chromium content is 7～13%, which holds superior high temperature strength, inoxidizability and moisture corrosive resistance,but weldability is not good. 4Cr9Si2, 4Cr10Si2Mo are used to make the vent valves of internal combustion engine, also belong to Martensitic steel.
MANUFACTURING TECHNOLOGY - SMELTING
Heat resistant steel is generally smelt in AOD / electric arc furnace EAF or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
Heat resistant steel is generally smelt in AOD / electric arc furnace EAF or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers - E-mail: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers - E-mail: sales@ccsteels.com.
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