--- title: "微合金化钢 — 5 个牌号及其成分" description: "微合金化钢是通过少量添加钛、铌或铝等元素进行强化和细化晶粒的低碳结构钢。其实测碳含量最高为0.1%，屈服强度为235至355 N/mm²，因此适用于…" canonical: https://steelequivalents.com/zh/%E7%B1%BB%E5%88%AB/%E5%BE%AE%E5%90%88%E9%87%91%E5%8C%96%E9%92%A2 language: zh robots: index, follow og_type: website type: category-detail language_alternates: en: https://steelequivalents.com/categories/microalloyed-steels.md cs: https://steelequivalents.com/cs/kategorie/mikrolegované-oceli.md de: https://steelequivalents.com/de/kategorien/mikrolegierte-stähle.md es: https://steelequivalents.com/es/categorías/aceros-microaleados.md fr: https://steelequivalents.com/fr/catégories/aciers-microalliés.md hu: https://steelequivalents.com/hu/kategóriák/mikroötvözött-acélok.md it: https://steelequivalents.com/it/categorie/acciai-microlegati.md nl: https://steelequivalents.com/nl/categorieën/microgelegeerde-staalsoorten.md pl: https://steelequivalents.com/pl/kategorie/stale-mikrostopowe.md pt: https://steelequivalents.com/pt/categorias/aços-microligados.md ru: https://steelequivalents.com/ru/категории/микролегированные-стали.md tr: https://steelequivalents.com/tr/kategoriler/mikroalaşımlı-çelikler.md zh: https://steelequivalents.com/zh/%E7%B1%BB%E5%88%AB/%E5%BE%AE%E5%90%88%E9%87%91%E5%8C%96%E9%92%A2.md ja: https://steelequivalents.com/ja/カテゴリー/微合金鋼.md ar: https://steelequivalents.com/ar/الفئات/فولاذ-ميكروسبائكي.md ko: https://steelequivalents.com/ko/분류/미세합금강.md pt-br: https://steelequivalents.com/pt-br/categorias/aços-microligados.md hi: https://steelequivalents.com/hi/श्रेणियाँ/सूक्ष्म-मिश्रित-इस्पात.md content_hash: sha256:b9895b68e6d34f5531f70476d90116aee74426a019d35112bb305649ab730a2b generated: 2026-09-25 --- > **Machine-readable Markdown rendering.** This is a Markdown representation of a web page, > served for AI agents and crawlers as a token-efficient alternative to the full HTML. > Full interactive HTML version: https://steelequivalents.com/zh/%E7%B1%BB%E5%88%AB/%E5%BE%AE%E5%90%88%E9%87%91%E5%8C%96%E9%92%A2 > Canonical URL: https://steelequivalents.com/zh/%E7%B1%BB%E5%88%AB/%E5%BE%AE%E5%90%88%E9%87%91%E5%8C%96%E9%92%A2 > Available languages: en, cs, de, es, fr, hu, it, nl, pl, pt, ru, tr, zh, ja, ar, ko, pt-br, hi > Change detection: `content_hash` is the SHA-256 of this document's Markdown body — everything > below this block, whitespace-trimmed, excluding the front-matter. Compare it to detect a real > content change; `generated` moves on every render and is not a change signal. ![微合金化钢](/images/uploads/90da9ad7-3846-44e1-8420-bea56014a758/microalloyed-steels-category-rolled-coil-edge-1920x1080.jpg) 类别 · 5 牌号 # 微合金化钢 微合金化钢是通过少量添加钛、铌或铝等元素进行强化和细化晶粒的低碳结构钢。其实测碳含量最高为0.1%，屈服强度为235至355 N/mm²，因此适用于对强度、韧性和焊接性有要求的承载制造件。 | 牌号 | 材料号 | C | Al | Si | P | S | Ti | |---|---|---|---|---|---|---|---| | [H 240 LA](/zh/材料/din-en/h-240-la "H 240 LA") | [1.0480](/zh/材料/材料编号/1.0480 "1.0480") | ≤0,10 | ≥0,015 | ≤0,50 | 0,025 | 0,025 | ≤0,15 | | [H 280 LA](/zh/材料/din-en/h-280-la "H 280 LA") | [1.0489](/zh/材料/材料编号/1.0489 "1.0489") | ≤0,10 | ≥0,015 | ≤0,50 | 0,025 | 0,025 | ≤0,15 | | [H 320 LA](/zh/材料/din-en/h-320-la "H 320 LA") | [1.0548](/zh/材料/材料编号/1.0548 "1.0548") | ≤0,10 | ≥0,015 | ≤0,50 | 0,025 | 0,025 | ≤0,15 | | [H 360LA](/zh/材料/din-en/h-360la "H 360LA") | [1.0550](/zh/材料/材料编号/1.0550 "1.0550") | ≤0,10 | ≥0,015 | ≤0,50 | 0,025 | 0,025 | ≤0,15 | | [H 400 LA](/zh/材料/din-en/h-400-la "H 400 LA") | [1.0556](/zh/材料/材料编号/1.0556 "1.0556") | ≤0,10 | ≥0,015 | ≤0,50 | 0,025 | 0,025 | ≤0,15 | ## 覆盖此类别的标准 6 - [**DIN / EN***5 牌号*](/zh/材料/din-en "DIN / EN — 此类别中5 牌号") - [**JIS***5 牌号*](/zh/材料/jis "JIS — 此类别中5 牌号") - [**AISI / SAE***4 牌号*](/zh/材料/aisi-sae "AISI / SAE — 此类别中4 牌号") - [**AFNOR***4 牌号*](/zh/材料/afnor "AFNOR — 此类别中4 牌号") - [**UNS***1 牌号*](/zh/材料/uns "UNS — 此类别中1 牌号") - [**ASTM***1 牌号*](/zh/材料/astm "ASTM — 此类别中1 牌号") ## 性能范围 4 | 性能 | 单位 | 下限 | 上限 | 牌号数 | |---|---|---|---|---| | Rm | N/mm² | 390 | 590 | 5 | | Re | N/mm² | 235 | 355 | 5 | | A | % | 17 | 31 | 5 | | rho | g/cm³ | 7.85 | 7.85 | 5 | 基于本类别中5 牌号的已记录数值得出。 ## 成分范围 8 | 性能 | 单位 | 下限 | 上限 | 牌号数 | |---|---|---|---|---| | C | % | 0.1 | 0.1 | 5 | | Al | % | 0.015 | 0.015 | 5 | | Si | % | 0.5 | 0.5 | 5 | | P | % | 0.025 | 0.025 | 5 | | S | % | 0.025 | 0.025 | 5 | | Ti | % | 0.15 | 0.15 | 5 | | Mn | % | 0.6 | 1.6 | 5 | | Nb | % | 0.09 | 0.09 | 4 | 基于本类别中5 牌号的已记录数值得出。