Austenitic Non-Magnetic Steel Z50MC18-4
Z50MC18-4 is difined as DIN 1.3818 Austenitic Non-magnetic Steels, Specifications Forging Retainer Ring Z50MC18-4 Datasheet Chemical from Steel melting (ESR refined), Blooming, Hot forging, Hot rolling, Heat treatment, 100% Ultrasonic flaw detection test.
| Product parameters | |
| Material Category:: | Austenitic Non-magnetic Stainless Steel |
| Terms of Price:: | Ex works, CIF, CFR |
| Stocklist & Inventory Available:: | Diameter 200mm |
| Melting Process Route:: | EAF + VD + LF / BEF + ESR |
| Min. order quantity Per Batch:: | 3300 kg |
| Heat Treatment Practice:: | Solution annealed 1050 ℃, water or air cooled |
| Ultrasonic Test Standard:: | ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308 |
| Production Lead Time:: | Within 55 days after 30% deposit prepayable |
Description
Stainless steels are high-alloy steels, those materials have high corrosion resistance when compared to other steels due to the presence of large amounts of chromium. Based on their crystalline structure, they are classified into ferritic, austenitic, and martensitic steels.
Chemical composition (Mass weight - %) - Grade Z50MC18-4
C (％): 0.50 ~ 0.60, Si (％): ≤ 1.00, Mn (％): 17.5 ~ 20.0, P (％)≤: 0.040, S (％)≤: 0.030
Cr (％): 4.00 ~ 5.00, Ni (％): ≤ 1.00, Cu (％): ≤ 1.00, 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, δ ≥(％): 40.0
Impact, Akv ≥/J: 100 (transversal value)
Hardness under annealed condition: HBW 285 max.
Typical applications
High-voltage electrical apparatus, bolts and nuts.
Transformer tank, Generator, Preparation equipments, Electronics.
Product shapes & Dimensions
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 650mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1200mm X L1000 - 5000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
