--- title: "SCM725 — composition, equivalents and standards" description: "SCM725: 1 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/ks/scm725 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/ks/scm725.md cs: https://steelequivalents.com/cs/materiály/ks/scm725.md de: https://steelequivalents.com/de/werkstoffe/ks/scm725.md es: https://steelequivalents.com/es/materiales/ks/scm725.md fr: https://steelequivalents.com/fr/matériaux/ks/scm725.md hu: https://steelequivalents.com/hu/anyagok/ks/scm725.md it: https://steelequivalents.com/it/materiali/ks/scm725.md nl: https://steelequivalents.com/nl/materialen/ks/scm725.md pl: https://steelequivalents.com/pl/materiały/ks/scm725.md pt: https://steelequivalents.com/pt/materiais/ks/scm725.md ru: https://steelequivalents.com/ru/материалы/ks/scm725.md tr: https://steelequivalents.com/tr/malzemeler/ks/scm725.md zh: https://steelequivalents.com/zh/材料/ks/scm725.md ja: https://steelequivalents.com/ja/材料/ks/scm725.md ar: https://steelequivalents.com/ar/المواد/ks/scm725.md ko: https://steelequivalents.com/ko/재료/ks/scm725.md pt-br: https://steelequivalents.com/pt-br/materiais/ks/scm725.md hi: https://steelequivalents.com/hi/सामग्री/ks/scm725.md content_hash: sha256:a9bb2eff658445b2090ea285522c7c1fba8068ca4255c464883fe81ce3181f3f 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/ks/scm725 > Canonical URL: https://steelequivalents.com/materials/ks/scm725 > 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. KS · South Korea · 1 designation # SCM725 SCM725 is a grade designated under KS. Its recorded composition includes C 0.38–0.45%, Si 0.15–0.4%, Cr 0.9–1.2%, Mn 0.5–0.8% and Mo 0.15–0.3%. No cross-standard equivalents are recorded for this grade yet. - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=ef22d58a-081d-4fa0-b4cd-655b7be5facf&designation=7bfefeb6-2a85-45aa-a713-18cf0c72cd9a "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/ks/scm725.pdf "Datasheet as PDF") ## Chemical composition 7 elements on file · weight % What this alloy is Fe Cr Mn C Iron — the balance, never listed by a standard — 97.3 % Cr — 1.1 % Mn — 0.7 % C — 0.4 % Traces & impurities · 0.6 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.38–0.45 | | Si | 0.15–0.4 | | Mn | 0.5–0.8 | | P | ≤ 0.035 | | S | ≤ 0.035 | | Cr | 0.9–1.2 | | Mo | 0.15–0.3 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum 0.01 % 0.1 % 1 % 10 % 100 % The scale is logarithmic, not the element’s raw share of the alloy — the only honest way to fit 0.01 % and 100 % in one picture, and it means every value here can be compared with every other. | Element | As published source text, verbatim | Min% by weight | Max% by weight | Bound | |---|---|---|---|---| | C | 0.38 - 0.45 | 0.380 | 0.450 | Range | | Si | 0.15 - 0.4 | 0.150 | 0.400 | Range | | P | max 0.035 | — | 0.035 | Max | | S | max 0.035 | — | 0.035 | Max | | Cr | 0.9 - 1.2 | 0.900 | 1.200 | Range | | Mn | 0.5 - 0.8 | 0.500 | 0.800 | Range | | Mo | 0.15 - 0.3 | 0.150 | 0.300 | Range | The published column is the source string byte-for-byte, decimal comma and all; Min and Max are the parsed bounds. Elements not listed have no value on file — they are omitted, never inferred. ## Predicted transformation temperatures Not enough recorded composition to predict a transformation temperature for this grade — missing: Ni. ## 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=ef22d58a-081d-4fa0-b4cd-655b7be5facf&designation=7bfefeb6-2a85-45aa-a713-18cf0c72cd9a "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/ks/scm725.pdf "Datasheet as PDF")