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X8MnCrN18-18 Ring for Generator

TECHNICAL DATA SHEET - DIN X8MnCrN18-18 & W-Nr 1.3816 & ASTM A289
MATERIAL CATEGORY: Nonmagnetic alloy
MATERIAL SPECIFICATIONS: DIN SEW 390 (1991)
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     ≤ 0.12
Si (%):     ≤ 1.00
Mn (%):   17.5 ~ 20.0
P (%)≤:   0.060
S (%)≤:   0.030
Cr (%):    17.5 ~ 20.0
Ni (%):    ≤ 1.00
Mo (%):   -
Ti (%):     ≤ 0.10
Al (%):     ≤ 0.04
V (%):      ≤ 0.25
N (%):      0.45 ~ 0.70
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Hot working temperature: 1150~950℃
Quenching or solution treatment temperature: 1020~1120℃
Tensile strength, σb≥ /MPa: 750 ~ 950
Yield strength, σ0.2 ≥/MPa: 480
Elongation, δ≥(%): 40.0
Impact, Akv ≥/J:  200 (transversal value)