--- title: "SFNCM740 — composition, equivalents and standards" description: "SFNCM740: 1 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/jis/sfncm740 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/jis/sfncm740.md cs: https://steelequivalents.com/cs/materiály/jis/sfncm740.md de: https://steelequivalents.com/de/werkstoffe/jis/sfncm740.md es: https://steelequivalents.com/es/materiales/jis/sfncm740.md fr: https://steelequivalents.com/fr/matériaux/jis/sfncm740.md hu: https://steelequivalents.com/hu/anyagok/jis/sfncm740.md it: https://steelequivalents.com/it/materiali/jis/sfncm740.md nl: https://steelequivalents.com/nl/materialen/jis/sfncm740.md pl: https://steelequivalents.com/pl/materiały/jis/sfncm740.md pt: https://steelequivalents.com/pt/materiais/jis/sfncm740.md ru: https://steelequivalents.com/ru/материалы/jis/sfncm740.md tr: https://steelequivalents.com/tr/malzemeler/jis/sfncm740.md zh: https://steelequivalents.com/zh/材料/jis/sfncm740.md ja: https://steelequivalents.com/ja/材料/jis/sfncm740.md ar: https://steelequivalents.com/ar/المواد/jis/sfncm740.md ko: https://steelequivalents.com/ko/재료/jis/sfncm740.md pt-br: https://steelequivalents.com/pt-br/materiais/jis/sfncm740.md hi: https://steelequivalents.com/hi/सामग्री/jis/sfncm740.md content_hash: sha256:ad8250e9d8a70d2303d6627590d8e7b92295eb50dd66208fe682fa5b8830e539 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/jis/sfncm740 > Canonical URL: https://steelequivalents.com/materials/jis/sfncm740 > 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. JIS · Japan · 1 designation # SFNCM740 SFNCM740 is a grade designated under JIS. Its recorded composition includes C ≤ 0.5%, Cr 0.4–3.5%, Mn 0.35–1%, Ni 0.4–3.5% and Mo 0.15–0.7%. No cross-standard equivalents are recorded for this grade yet. Recorded mechanical properties include Rm 740–880 N/mm², Re 520–540 N/mm² and HB 217. - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=c516dadb-6ec2-43a5-8935-f87625fe49bb&designation=45d5884d-57cb-4f94-a6fb-0ca1a63d4149 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/jis/sfncm740.pdf "Datasheet as PDF") ## Chemical composition 9 elements on file · weight % What this alloy is Fe Cr Ni Mn Iron — the balance, never listed by a standard — 94.2 % Cr — 2 % Ni — 2 % Mn — 0.7 % Traces & impurities · 1.3 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 0.5 | | Si | 0.15–0.35 | | Mn | 0.35–1 | | P | ≤ 0.03 | | S | ≤ 0.03 | | Cr | 0.4–3.5 | | Mo | 0.15–0.7 | | Ni | 0.4–3.5 | | Cu | ≤ 0.03 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Copper 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 | max 0.5 | — | 0.500 | Max | | Si | 0.15 - 0.35 | 0.150 | 0.350 | Range | | P | max 0.03 | — | 0.030 | Max | | S | max 0.03 | — | 0.030 | Max | | Cr | 0.4 - 3.5 | 0.400 | 3.500 | Range | | Mn | 0.35 - 1 | 0.350 | 1.000 | Range | | Ni | 0.4 - 3.5 | 0.400 | 3.500 | Range | | Cu | max 0.03 | — | 0.030 | Max | | Mo | 0.15 - 0.7 | 0.150 | 0.700 | 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 This grade's composition falls outside the published model's validated range (a low-alloy composition window), so no transformation temperature is predicted here. ## 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=c516dadb-6ec2-43a5-8935-f87625fe49bb&designation=45d5884d-57cb-4f94-a6fb-0ca1a63d4149 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/jis/sfncm740.pdf "Datasheet as PDF")