公稱厚度
t
mm |
抗拉強度 σb
Mpa |
屈服點 σs
Mpa |
斷后伸長率或延伸率 δ
% |
t≤16 |
370~510 |
≥275 |
≥24 |
16<t≤40 |
370~510 |
≥265 |
≥24 |
40<t≤63 |
370~510 |
≥255 |
≥24 |
63<t≤80 |
370~510 |
≥245 |
≥23 |
80<t≤100 |
370~510 |
≥235 |
≥23 |
100<t≤150 |
350~480 |
≥225 |
≥23 |
150<t≤200 |
350~480 |
≥215 |
≥23 |
200<t≤250 |
350~480 |
≥205 |
≥23 |
For plate,strip and wide flats with widths≥600mm the direction transverse (t) to the rolling direction applies. For all other products the values apply for the direction parallel (l) to the rolling direction