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WR350L20簡(jiǎn)介

牌號(hào) WR350L20
對(duì)應(yīng)標(biāo)準(zhǔn) AS /NZS 3678-2016
熱軋結(jié)構(gòu)鋼板、波紋板和厚板
Structural steel - Hot-rolled plates, floorplates and slabs
歸類(lèi) 合金鋼
WR350L20 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni Cu Mo Ti V Nb Al 更多
板厚：t≤20 最小值 - 0.15 - - - 0.35 - 0.15 - - - - - Nb+V+Ti≤0.15
最大值 0.14 0.75 1.7 0.16 0.03 1.05 0.55 0.5 0.1 0.04 0.1 0.06 0.1
成分 C Si Mn P S Cr Ni Cu Mo Ti V Nb Al 更多
板厚20 最小值 - 0.15 - - - 0.35 - 0.15 - - - - -
最大值 0.14 0.75 1.7 0.04 0.03 1.05 0.55 0.5 0.1 0.04 0.1 0.06 0.1
①The use of sulfide modification steelmaking techniques (such as Ca addition) is permitted for listed grades
②For Z25 grades sulfur 0. 008% maximllm. Z35 grades sulfur 0.005% maximum.
③Boron shall not be int entionally added to the steel without the agreement of the purchaser 碳當(dāng)量計(jì)算
WR350L20 機(jī)械性能
條件 熱處理或狀態(tài)
抗拉強(qiáng)度
σb
屈服點(diǎn)
σs
斷后伸長(zhǎng)率或延伸率
δ
%
板材和底板(地板用花紋板);t≤80 熱軋 ≥450 ≥340 ≥20
板材和底板(地板用花紋板);80 熱軋 ≥450 ≥20
①For test piece cross-sectional area > 1000 mm2, minimum elongation is reduced by 2%
②Suffix Z added to grade designation indicates that material has been through-thickness tested. Minimum reduction of area: 15% for grade suffix Z15, 25% for grade suffix Z25 and 35% for grade suffix Z35.
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