USA UNS S30415
Corresponding Standard ASTM A249/A249M-2004
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N Ce
Minimum Value 0.04 1 - - - 18 9 0.12 0.03
Maximum Value 0.06 2 0.8 0.045 0.03 19 10 0.18 0.08
Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥600 ≥290 ≥35 HRB
≤96
1 Approximate Comparison Table
China United States International Organization for Standardization European Standard
ISC UNS ISO Numerical Grade Numerical Grade
S30450 S30415 X6CrNiSiNCe19-10 4818-304-15-E 1.4818
2 Approximate Comparison Table
United States European Standard Sweden
UNS EN Numerical Grade SS
S30415 X6CrNiSiNCe19-10 1.4818 2372

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