熱處理 |
抗拉強(qiáng)度 σb
Mpa |
屈服點(diǎn) σs
Mpa |
斷后伸長(zhǎng)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)值為棒材媚瘫、擠壓件呛营、環(huán)件、線材逢痕,試樣取向?yàn)榭v向嘲谚,d(t)≤ 305mm或截面積≤930mm2的機(jī)械性能數(shù)據(jù);
②熱處理:
?H900(沉淀硬化):溶液處理后钳枕,900°F±10°F(482℃±6°C)保持1h+15min,0缴渊,空冷赏壹;
?H925(沉淀硬化):溶液處理后,925±10°F(496℃±6°C)保持4h+30min,0衔沼,空冷蝌借;
?H1025(沉淀硬化):溶液處理后,1025±10°F(552℃±6°C)保持4h+30min,0指蚁,空冷;
?H1075(沉淀硬化):溶液處理后菩佑,1075±10°F(579℃±6°C)保持4h+30min,0,空冷:
?H1100(沉淀硬化):溶液處理后欣舵,1100±10°F(593℃±6°C)保持4h+30min,0擎鸠,空冷;
?H1150(沉淀硬化):溶液處理后,1150±10°F(621℃±6°C)保持4h+30min,0缘圈,空冷;