牌号 | 12Ni14 |
1.5637 | |
对应标准 | NF EN 10253-2-2007
对焊管件-第2部分:具有特殊检验要求的非合金和铁素体合金钢 Butt-welding pipe fittings- Part 2: Non alloy and ferritic alloy steels with specific inspection requirements |
归类 | 合金钢 |
Material designation | Thickness T mm | Minimum average absorbed energy KV, in J at a temperature of(°C) | ||||||||||||
Name | Number | longitudinal direction | transverse direction | |||||||||||
-50 | -40 | -20 | -10 | 0 | 20 | -50 | -40 | -20 | -10 | 0 | 20 | |||
12Ni14 | 1.5637 | T ≤ 25 | 55 | 55 | 60 | - | - | 65 | 35 | 40 | 45 | 45 | 45 | 45 |
25 <T ≤ 40 | 50 | 50 | 55 | - | - | 65 | 30 | 35 | 40 | 40 | 45 | 45 |
◎ For lower temperatures, the applicable values are those of the corresponding grade in EN 10216-4. |
Material designation | Heat treatment symbol | Austenitizing temperature ℃ | Cooling medium | Tempering Temperature ℃ | Cooling medium | |
Name | Number | |||||
12Ni14 | 1.5637 | +QT | 820 to 880 | water or oil | 580 to 660 | air |