Z50MC18-4 Mn-Cr-N steel
2026-05-18 17:09:02 Origin： Remark：0 Click：
Z50MC18-4 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
Jiangyou Longhai Special Steel Co.,Ltd
ISO 9001-2015 Certified
Total list
Monthly rank
- 17AMS 5639 & S30400 Corrosion-Resisting Steel
- 15Turbine Blade AE961W Aerospace Martensitic Steel
- 11Free machining Steel AMS 5642 & S34720
- 10SAE 30302 / AMS 5636 Corrosion-Resistant Steel
- 9AMS 5632 & SAE 51440F High-carbon Martensitic Steel
- 9AMS 5649 - J92200 - AISI 316FM Free-machining Steels
- 8FV520B CREEP RESISTANT STEEL
- 8AMS 5678 - S17700 Aged hardening Steel Bar
- 8AMS 5631 - S44002 Martensitic Stainless Steel
- 81.2731 Round bar & ESR Ingot Stock Available