|
品名 |
規(guī)格 |
級(jí)別 |
理重 |
|
精軋螺紋鋼 |
15 |
JL540 |
1.47kg/m
|
|
PSB785 |
|||
|
PSB830 |
|||
|
精軋螺紋鋼 |
20 |
PSB500 |
2.47 kg/m |
|
PSB785 |
|||
|
PSB830 |
|||
|
精軋螺紋鋼 |
25 |
PSB785 |
4.1 kg/m |
|
PSB830 |
|||
|
PSB930 |
|||
|
PSB1080 |
|||
|
精軋螺紋鋼 |
32 |
PSB785 |
6.65 kg/m |
|
PSB830 |
|||
|
PSB930 |
|||
|
PSB1080 |
|||
|
精軋螺紋鋼 |
36 |
PSB785 |
8.41 kg/m |
|
PSB830 |
|||
|
PSB930 |
|||
|
PSB1080 |
|||
|
精軋螺紋鋼 |
40 |
PSB785 |
10.37 kg/m |
|
PSB830 |
|||
|
PSB930 |
|||
|
PSB1080 |
預(yù)應(yīng)力混凝土用螺紋鋼筋 （精軋螺紋鋼） 力學(xué)性能要求
|
強(qiáng)度級(jí)別 |
屈服強(qiáng)度/MPa |
抗拉強(qiáng)度/MPa |
斷后延伸率/% |
|
PSB500 |
≥500 |
≥550 |
≥10 |
|
PSB785 |
≥785 |
≥980 |
≥7 |
|
PSB830 |
≥830 |
≥1030 |
≥6 |
|
PSB930 |
≥930 |
≥1080 |
≥6 |
|
PSB1080 |
≥1080 |
|
|
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