Steel grade | Yield strength MPa | Tensile strength MPa | Elongation at failure A% | Uniform elongtion Agt% | Stress relaxation | ||
Original stress | Relaxation rate after 1000h r/% | Ralaxation rate after 10 r/% | |||||
PSB500 | ≥500 | ≥630 | ≥10 |
| 0.8R | ≤3 | ≤1.5 |
PSB555 | ≥555 | ≥777 | ≥5 |
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PSB785 | ≥785 | ≥980 | ≥7 | ≥3.5 |
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PSB830 | ≥830 | ≥1030 | ≥6 | ||||
PSB930 | ≥930 | ≥1080 | ≥6 | ||||
PSB1080 | ≥1080 | ≥1230 | ≥6 | ≥2.5 | |||
PSB390 | ≥390 | ≥560 | ≥18 |
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Nominal Diameter mm | Dv mm | Dh mm | H mm | B mm | L mm | Nominal sectional area mm2 | Nominal Weight Kg/M |
15 | 15 | 15 | 1 | 4.5 | 10 | 176 | 1.47 |
18 | 18 | 18 | 1.2 | 4 | 9 | 254.5 | 2.11 |
20 | 20 | 20 | 1.3 | 4.8 | 10 | 314 | 2.47 |
25 | 25 | 25 | 1.6 | 6 | 12 | 490.9 | 4.1 |
32 | 32 | 32 | 2.0 | 7 | 16 | 804.2 | 6.65 |
36 | 36 | 36 | 2.2 | 8 | 18 | 1018 | 8.41 |
40 | 40 | 40 | 2.5 | 8 | 20 | 1256.6 | 10.34 |
50 | 50 | 50 | 3.0 | 9 | 24 | 1963.5 | 16.28 |
63.5 | 63 | 63.5 | 3.0 | -- | 22 | -- | 26.2 |
75 | 74.5 | 75 | 3.0 | -- | 20 | -- | 36.1 |
Contact Person | Ms shasha |
Mobile Phone | 0086-15822081295 |
Skype | shasha_sjt |
Email address | shasha_sjt(at)shengjintai(dot)com(dot)cn |