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個人中心收藏查看我的收藏0有用+10播報討論上傳視頻符合歐洲標(biāo)準(zhǔn)EN 10025-2的非合金結(jié)構(gòu)鋼是歐洲標(biāo)準(zhǔn)EN 10025-2定義的非合金結(jié)構(gòu)鋼，其名稱中“S”代表結(jié)構(gòu)鋼，“235”表示最小屈服強度為235 MPa，“JR”指其在0°C時具備不低于27J的沖擊吸收能量 [2-4]。該材料碳含量不超過0.22%，具有優(yōu)良的焊接性、加工性和抗腐蝕性，廣泛應(yīng)用于建筑結(jié)構(gòu)、橋梁、機械制造等領(lǐng)域 [1] [4]。根據(jù)2023年和2025年的資料顯示，在化學(xué)成分和力學(xué)性能上與中國國家標(biāo)準(zhǔn)GB/T 700中的Q235B鋼板高度相似，兩者在多數(shù)場景下可互為替代 [1] [3]。標(biāo) 準(zhǔn)EN 10025-2 [2-4]
抗拉強度360-510 MPa [2]
屈服強度≥235 MPa [2-3]
碳含量≤0.22% [2-3]
沖擊溫度0°C [3-4]
應(yīng)用領(lǐng)域建筑、橋梁、船舶 [1-2] [4]

目錄
1化學(xué)成分2力學(xué)性能3應(yīng)用領(lǐng)域4與Q235B的對比
化學(xué)成分
播報編輯的化學(xué)成分包括碳（C≤0.22%）、硅（0.12%-0.35%）、錳（0.55%-1.70%）、磷（≤0.045%）及硫（≤0.045%） [2-3]。其低碳設(shè)計確保了良好的可焊性和冷加工性能 [1] [4]。
力學(xué)性能
播報編輯屈服強度：最低235 MPa [2-3]；抗拉強度：360-510 MPa [2]；伸長率：≥18% [2]；沖擊吸收能量：0°C時≥27J [2-3]；布氏硬度：120-170 HB [2]。
應(yīng)用領(lǐng)域
播報編輯廣泛用于建筑結(jié)構(gòu)（如梁柱）、橋梁、船舶主體、車輛結(jié)構(gòu)件及壓力容器制造 [1] [4]。其穩(wěn)固性和焊接性能使其適用于承受靜/動載荷的部件 [3-4]。
與Q235B的對比
播報編輯根據(jù)2023年及2025年資料，與Q235B的屈服強度均為235 MPa，化學(xué)成分接近。但的抗拉強度上限（510 MPa）更高，且沖擊韌性更優(yōu) [1] [3]。兩者可根據(jù)成本及供應(yīng)條件靈活選用 [3-4]。新手上路成長任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權(quán)信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= {"lemmaId":5859179,"lemmaTitle":"","lemmaDesc":"符合歐洲標(biāo)準(zhǔn)EN 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，也就是含碳量較低的碳素結(jié)構(gòu)鋼，用于焊接、螺栓連接、鉚接結(jié)構(gòu)較多。名稱:S235JRC%:0.17-0.19Mn%:0.14-0.15P%:0.035-0.045S%:0.035-0.045N%:0.012-0.14Cu%:0.40-0.45其余為:Fe普通級表面(FA)酸洗表面表面允許有深度(或高度)不超過鋼板厚度公差之半的麻點、凹面、劃痕等輕微、局部的缺欠，但應(yīng)保證鋼板及鋼帶允許的最小厚度。較高級表面(FB)酸洗表面表面允許有不影響成型性的局部缺欠，如輕微劃傷、輕微壓痕、輕微麻點、輕微輥印及色差等。主要用于建筑、橋梁、船舶、車輛結(jié)構(gòu)件、制造各種工具、刃具、模具和量具等。

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