Z50MC18-4
2026-05-18 17:10:00 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 category: 18.0Mn - 4.5Cr - 0.08N - 0.55C non-magnetic steel
Technical specifications: DIN SEW 390 (1991)
Stock available: bar diam. 50 ~ 200 mm, ESR ingot
HS code for Customs - 72284000
TYPICAL CHEMICAL ELEMENTS (mass mass - %)
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)
TYPICAL APPLICATIONS
High-voltage electrical apparatus, bolts and nuts.
Transformer tank, forged ring.
Generator, Preparation equipments, Electronics.
PROFILE & DIMENSIONS
Round bar / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 400 X W15 ~ 1200 X L1000 ~ 5000 mm
Forging piece: stepped shafts, other different shapes based on OEM.
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
Raw material stock available
Custom 450 / XM-25 / S45000, 403 ESR, AISI 616 / 422 ESR, B50A365 / 403Cb+
17-4PH / 630, M-152 / 1.4938 / S151 / S159, S111, FV520B / S143 / 1.4594
X8CrMnN18-18, X40MnCrN19, X40MnCr18, X55MnCrN18-4
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286
10705BU, 10705MBU, 10705AJ
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