Z50MC18-4 Mn-Cr-N steel
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Technical data sheet SEW 390 steel Z50MC18-4 forged round bar, flat bar ring melting (ESR refined), hot working condition or heat treated
TECHNICAL DATA SHEET - Z50MC18-4
Material type: 18.0Mn - 4.5Cr - 0.08N - 0.55C non-magnetic steel
Technical standards: DIN SEW 390 (1991)
Stock available: bar diam. 50 ~ 200 mm, ESR ingot
Customs HS tariff: 72284000 / 72283000
TYPICAL CHEMICAL COMPOSITIONS (mass fraction - %)
Carbon, C (％): 0.50 ~ 0.60
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 17.5 ~ 20.0
Phosphorus, P (％): ≤ 0.040
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 4.00 ~ 5.00
Nickel, Ni (％): ≤ 1.00
Copper, Cu (％): ≤ 1.00
Nitrogen, N (％): 0.05 ~ 0.12
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Hot working temperature: 1150 ~ 950℃
Quenching or solution treatment temperature: 1020 ~ 1120℃
Tensile strength, σb ≥ MPa: 750 ~ 1000
Yield strength, σ0.2 ≥ MPa: 380
Elongation, A5 ≥ : 40.0
Impact strength, Akv ≥ J: 100 (transversal value)
PRODUCT DESCRIPTION
The alloy is usually produced by EF / EAF / AOD followed by electroslag refining (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Technical standards: DIN SEW 390 (1991)
Stock available: bar diam. 50 ~ 200 mm, ESR ingot
Customs HS tariff: 72284000 / 72283000
TYPICAL CHEMICAL COMPOSITIONS (mass fraction - %)
Carbon, C (％): 0.50 ~ 0.60
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 17.5 ~ 20.0
Phosphorus, P (％): ≤ 0.040
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 4.00 ~ 5.00
Nickel, Ni (％): ≤ 1.00
Copper, Cu (％): ≤ 1.00
Nitrogen, N (％): 0.05 ~ 0.12
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Hot working temperature: 1150 ~ 950℃
Quenching or solution treatment temperature: 1020 ~ 1120℃
Tensile strength, σb ≥ MPa: 750 ~ 1000
Yield strength, σ0.2 ≥ MPa: 380
Elongation, A5 ≥ : 40.0
Impact strength, Akv ≥ J: 100 (transversal value)
PRODUCT DESCRIPTION
The alloy is usually produced by EF / EAF / AOD followed by electroslag refining (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied bright in hot working condition.
TECHNICAL SALES ASSISTANCE AND SERVICE
If you meet further on any technical enquiry. pleased to Email our resident team of qualified production engineers - Email: sales@ccsteels.com
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