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美國UNS S30415
對應標準 ASTM A249/A249M-2018
焊接奧氏體鋼鍋爐磁应、過熱器、熱交換器和冷凝器管
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
歸類 奧氏體不銹鋼
化學元素成分含量(%)
成分 C Si Mn P S Cr Ni N Ce
最小值 0.04 1 - - - 18 9 0.12 0.03
最大值 0.06 2 0.8 0.045 0.03 19 10 0.18 0.08
機械性能
熱處理或狀態(tài)
抗拉強度
σb
Mpa
屈服點
σs
Mpa
斷后伸長率或延伸率
δ
%
硬度
HBW
Solutioning Temperature 1040℃ ≥600 ≥290 ≥35 HRB
≤96
注:Quenched in water or rapidly cooled by other methods, at a rate sufficient to prevent reprecipitation of chromium carbides, as demonstrated by the capability of passing Practices A262, Practice E. The manufacturer is not required to run the test unless it is specified on the purchase order (See Supplementary Requirement S6). Note that Practices A262 requires the test to be performed on sensitized specimens in the low carbon and stabilized types and on specimens representative of the as-shipped condition of the other types. In the case of low-carbon types containing 3 % or more molybdenum, the applicability of the sensitizing treatment prior to testing shall be a matter for negotiation between the seller and purchaser.
1 近似對照表 奧氏體不銹鋼
中國 美國 國際標準組織 歐標
ISC UNS ISO 數(shù)字牌號 數(shù)字牌號
S30450 S30415 X6CrNiSiNCe19-10 4818-304-15-E 1.4818
2 近似對照表 奧氏體型耐熱鋼
美國 歐標 瑞典
UNS EN 數(shù)字牌號 SS
S30415 X6CrNiSiNCe19-10 1.4818 2372
注:數(shù)據(jù)僅供參考身诺!如有疑問,請?zhí)顚?我要糾錯"禾酱!
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