A249 TP310HCb S31041 - ASTM A249/A249M-2018

牌号	A249 TP310HCb
美國UNS	S31041
對應标準	ASTM A249/A249M-2018 焊接奧氏體鋼鍋爐、過熱器、熱交換器和冷凝器管 Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
歸類	奧氏體不鏽鋼

A249 TP310HCb 化學元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	更多
最小值	0.04	-	-	-	-	24	19	Nb(Cb)：10C~1.10
最大值	0.1	1	2	0.045	0.03	26	22	Nb(Cb)：10C~1.10

碳當量計算

A249 TP310HCb 機械性能

熱處理或狀态	抗拉強度 σ_b Mpa	屈服點 σ_s Mpa	斷後伸長率或延伸率 δ %	硬度 HBW
Solutioning Temperature 1040℃	≥515	≥205	≥35	HRB ≤90

注1：Quenched in water or rapidly cooled by other methods.
注2：A solution treating temperature above 1950 °F [1065 °C] may impair resistance to intergranular corrosion after subsequent exposure to sensitizing conditions in the indicated grades. When specified by the purchaser, a lower temperature stabilization or re- solution anneal shall be used subsequent to the higher-temperature solution anneal prescribed in this table (See Supplementary Requirement S4).

A249TP310HCb 對應不同标準

1	ASTM A249/A249M-2004 焊接奧氏體鋼鍋爐,過熱器,熱交換器和冷凝器管
	A249 TP310HCb S31041
2	ASTM A249/A249M-2018 焊接奧氏體鋼鍋爐、過熱器、熱交換器和冷凝器管
	A249 TP310HCb S31041

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