Угольник 2-25-32 ст.20 ГОСТ 22820-83 наличие
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Пробное давление при гидравлических испытаниях следует поддерживать в течение 5 мин. Результаты испытаний считают удовлетворительными, если не обнаружено падение давления по манометру, запотевания, течи. |
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РАБОЧЕЕ ДАВЛЕНИЕ
ПРИ РАБОЧЕЙ ТЕМПЕРАТУРЕ СРЕДЫ
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Марка стали |
Условное давление при 20°С, МПа |
Рабочее давление, МПа, при рабочей температуре среды, °С |
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200 |
250 |
300 |
350 |
400 |
450 |
475 |
510 |
540 |
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20, 20ЮЧ |
20 32 |
20,0 32,0 |
18,0 28,0 |
15,0 24,0 |
13,5 22,0 |
11,5 17,0 |
7,8 11,9 |
- |
- |
- |
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15Х5М |
25 32 40 |
25,0 32,0 40,0 |
24,0 30,0 38,0 |
23,0 29,0 36,0 |
21,0 26,0 33,0 |
18,0 23,0 29,0 |
15,0 17,0 23,0 |
12,5 15,5 19,5 |
9,0 11,0 14,0 |
6.4 8,5 10.4 |
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10Г2 |
25 40 50 |
25,0 40,0 50,0 |
23,0 35,0 45,0 |
19,0 30,0 37,0 |
17,0 26,0 33,0 |
15,0 23,0 29,0 |
9,5 15,0 19,0 |
- |
- |
- |
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14ХГС, 15ГС, 09Г2С |
25 40 50 63 |
25,0 40,0 50,0 63,0 |
23,0 35,0 45,0 54,0 |
19,0 30,0 37,0 48,0 |
17,0 26,0 33,0 40,0 |
15,0 23,0 29,0 37,0 |
- |
- |
- |
- |
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30ХМА, 18Х3МВ, 20Х2МА, 22Х3М |
25 40 63 80 |
25,0 40,0 63,0 80,0 |
23,0 36,0 56,0 70,0 |
22,0 35,0 54,0 69,0 |
21,0 33,0 53,0 67,0 |
20,0 32,0 51,0 65,0 |
18,0 30,0 47,0 62,0 |
28,0 44,0 56,0 |
- |
- |
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20Х3МВФ |
32 50 80 100 |
32,0 50,0 80,0 100,0 |
30,0 47,0 74,0 94,0 |
29,0 46,0 72,0 92,0 |
Контактная информация
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