Z50MC18-4
2026-03-18 14:28:00 Origin： Remark：0 Click：
Z50MC18-4 specifications SEW 390 steel supplier Z50MC18-4 peeled round bar, flat bar ring melting (ESR refined), Hot forged / rolled, heat treated
NON-MAGNETIC ALLOY STEEL - Z50MC18-4
Material category: non-magnetic stainless steel and alloy
Technical specifications: DIN SEW 390 (1991)
Special melting process: BEF + AOD / + ESR
Stock available: bar diam. 50 ~ 200 mm and ESR ingot
HS code for Customs - 72221100 / 72221900 / 72222000
TYPICAL CHEMICAL COMPOSITIONS (mass fraction %)
Carbon, C (％): 0.50 ~ 0.60
Silicon, Si (％): ≤ 1.00
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 17.5 ~ 20.0
Phosphorus, P (％): ≤ 0.040
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 4.00 ~ 5.00
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
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, Akv ≥ J: 100 (transversal value)
Yield strength, σ0.2 ≥ MPa: 380
Elongation, A5 ≥ (％): 40.0
Impact, 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.
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.
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 black / bright in the annealed condition.
Final heat treatment - quenched and tempered.
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 black / bright in the annealed condition.
Final heat treatment - quenched and tempered.
HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
TECHNICAL SALES ASSISTANCE
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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