牌號(hào) | P355NL1 |
歐標(biāo)鋼號(hào) | 1.0566 |
對(duì)應(yīng)標(biāo)準(zhǔn) | EN 10028-3-2017
壓力平板鋼產(chǎn)品-第3部分:可焊接細(xì)晶粒鋼帕卦,正火 Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized |
歸類 | 合金鋼 |
說(shuō)明 | 本標(biāo)準(zhǔn)所涵蓋的鋼種有四種質(zhì)量等級(jí)(原件6.1.1): ①室溫等級(jí)(P ... N) ②高溫等級(jí)(P...NH) ③低溫等級(jí) (P...NL1) ④特殊低溫等級(jí)(P...NL2) P275NH~P355NH是優(yōu)質(zhì)合金鋼,P275NL2澈魄、P420NH~P460NL2是特殊合金鋼(見原件6.1.2) |
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