热处理 |
抗拉强度 σb
Mpa |
屈服点 σs
Mpa |
断后伸长率或延伸率 δ
% |
断面收缩率 ψ
% |
H900 |
≥1310 |
≥1172 |
≥10 |
≥35 |
H925 |
≥1172 |
≥1069 |
≥10 |
≥38 |
H1025 |
≥1069 |
≥1000 |
≥12 |
≥45 |
H1075 |
≥1000 |
≥862 |
≥13 |
≥45 |
H1100 |
≥965 |
≥793 |
≥14 |
≥45 |
H1150 |
≥931 |
≥724 |
≥16 |
≥50 |
①表中数值为棒材、挤压件、环件、线材,试样取向为纵向,d(t)≤ 305mm或截面积≤930mm2的机械性能数据;
②热处理:
ⓐH900(沉淀硬化):溶液处理后,900°F±10°F(482℃±6°C)保持1h+15min,0,空冷;
ⓑH925(沉淀硬化):溶液处理后,925±10°F(496℃±6°C)保持4h+30min,0,空冷;
ⓒH1025(沉淀硬化):溶液处理后,1025±10°F(552℃±6°C)保持4h+30min,0,空冷;
ⓓH1075(沉淀硬化):溶液处理后,1075±10°F(579℃±6°C)保持4h+30min,0,空冷:
ⓔH1100(沉淀硬化):溶液处理后,1100±10°F(593℃±6°C)保持4h+30min,0,空冷;
ⓕH1150(沉淀硬化):溶液处理后,1150±10°F(621℃±6°C)保持4h+30min,0,空冷;