--- title: "50W — composition, equivalents and standards" description: "50W is a designation in CSA for the grade also listed as A529. We list 4 designations recorded for this grade, in the standards ASTM and CSA." canonical: https://steelequivalents.com/materials/csa/50w language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/csa/50w.md cs: https://steelequivalents.com/cs/materiály/csa/50w.md de: https://steelequivalents.com/de/werkstoffe/csa/50w.md es: https://steelequivalents.com/es/materiales/csa/50w.md fr: https://steelequivalents.com/fr/matériaux/csa/50w.md hu: https://steelequivalents.com/hu/anyagok/csa/50w.md it: https://steelequivalents.com/it/materiali/csa/50w.md nl: https://steelequivalents.com/nl/materialen/csa/50w.md pl: https://steelequivalents.com/pl/materiały/csa/50w.md pt: https://steelequivalents.com/pt/materiais/csa/50w.md ru: https://steelequivalents.com/ru/материалы/csa/50w.md tr: https://steelequivalents.com/tr/malzemeler/csa/50w.md zh: https://steelequivalents.com/zh/材料/csa/50w.md ja: https://steelequivalents.com/ja/材料/csa/50w.md ar: https://steelequivalents.com/ar/المواد/csa/50w.md ko: https://steelequivalents.com/ko/재료/csa/50w.md pt-br: https://steelequivalents.com/pt-br/materiais/csa/50w.md hi: https://steelequivalents.com/hi/सामग्री/csa/50w.md content_hash: sha256:a18f3a7c75bfbed9c296f195a7818ceda9438f7d729a022d9951cae30c779052 generated: 2026-09-22 --- > **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/materials/csa/50w > Canonical URL: https://steelequivalents.com/materials/csa/50w > 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. CSA · Canada · 4 designations # 50W 50W is a designation in CSA for the grade also listed as A529. We list 4 designations recorded for this grade, in the standards ASTM and CSA. - *Designations* **4** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=4e2a28ce-7699-46ea-9ab3-24ebe0f4898a&designation=65384fa8-bb1f-4820-a375-233d9c05c7d0 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/csa/50w.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [CSA 350W This grade’s own name · 2 grades on that route](/materials/csa/350w "CSA 350W") ## Also known as 4 designations · 2 standards · nothing hidden This grade’s own name recorded in our sources as this grade’s own designation under that standard. Indicative taken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering. Withdrawn designation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once. ASTM United States · 2 - [A529 Indicative](/materials/astm/a529 "ASTM A529") - [A572 Indicative](/materials/astm/a572 "ASTM A572") CSA Canada · 2 - [350W This grade’s own name](/materials/csa/350w "CSA 350W") - **50W This grade’s own name** Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Predicted transformation temperatures Not enough recorded composition to predict a transformation temperature for this grade — missing: C, Mn, Si, Ni, Cr, Mo. ## Physical & mechanical properties An absent property means we hold no value for it — it is left out rather than estimated, interpolated from a neighbouring grade, or filled from a handbook. It does not mean the property is undefined for the material. ## Looking for this grade under another name? Search the catalogue by designation, material number or composition — every name on this page is itself a way in. [Search](/search "Steel grade search")[Inquiry](/inquiry?material=4e2a28ce-7699-46ea-9ab3-24ebe0f4898a&designation=65384fa8-bb1f-4820-a375-233d9c05c7d0 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/csa/50w.pdf "Datasheet as PDF")