熱處理 |
抗拉強(qiáng)度 σb
Mpa |
屈服點(diǎn) σs
Mpa |
斷后伸長率或延伸率 δ
% |
斷面收縮率 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表中數(shù)值為棒材、擠壓件洒已、環(huán)件界贮、線材,試樣取向?yàn)榭v向受贫,d(t)≤ 305mm或截面積≤930mm2的機(jī)械性能數(shù)據(jù)驾萄;
②熱處理:
?H900(沉淀硬化):溶液處理后,900°F±10°F(482℃±6°C)保持1h+15min,0浴蝉,空冷亥戒;
?H925(沉淀硬化):溶液處理后,925±10°F(496℃±6°C)保持4h+30min,0冗腐,空冷率偏;
?H1025(沉淀硬化):溶液處理后,1025±10°F(552℃±6°C)保持4h+30min,0蚊患,空冷;
?H1075(沉淀硬化):溶液處理后浙于,1075±10°F(579℃±6°C)保持4h+30min,0,空冷:
?H1100(沉淀硬化):溶液處理后,1100±10°F(593℃±6°C)保持4h+30min,0羞酗,空冷;
?H1150(沉淀硬化):溶液處理后腐宋,1150±10°F(621℃±6°C)保持4h+30min,0,空冷;