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A249 TP310HCb简介

牌号 A249 TP310HCb
美国UNS S31041
对应标准 ASTM A249/A249M-2018
焊接奥氏体钢锅炉、过热器、热交换器和冷凝器管
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
归类 奥氏体不锈钢
A249 TP310HCb 化学元素成分含量(%)
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
碳当量计算
A249 TP310HCb 机械性能
热处理或状态
抗拉强度
σb
Mpa
屈服点
σs
Mpa
断后伸长率或延伸率
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).
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