--- title: "S39275 — composition, equivalents and standards" description: "S39275: 2 equivalent designations across 2 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/uns/s39275 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/uns/s39275.md cs: https://steelequivalents.com/cs/materiály/uns/s39275.md de: https://steelequivalents.com/de/werkstoffe/uns/s39275.md es: https://steelequivalents.com/es/materiales/uns/s39275.md fr: https://steelequivalents.com/fr/matériaux/uns/s39275.md hu: https://steelequivalents.com/hu/anyagok/uns/s39275.md it: https://steelequivalents.com/it/materiali/uns/s39275.md nl: https://steelequivalents.com/nl/materialen/uns/s39275.md pl: https://steelequivalents.com/pl/materiały/uns/s39275.md pt: https://steelequivalents.com/pt/materiais/uns/s39275.md ru: https://steelequivalents.com/ru/материалы/uns/s39275.md tr: https://steelequivalents.com/tr/malzemeler/uns/s39275.md zh: https://steelequivalents.com/zh/材料/uns/s39275.md ja: https://steelequivalents.com/ja/材料/uns/s39275.md ar: https://steelequivalents.com/ar/المواد/uns/s39275.md ko: https://steelequivalents.com/ko/재료/uns/s39275.md pt-br: https://steelequivalents.com/pt-br/materiais/uns/s39275.md hi: https://steelequivalents.com/hi/सामग्री/uns/s39275.md content_hash: sha256:00e9a8bd0416744ef4e2ff213350d4edf136de57d63cb52912233d3ca66920de 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/uns/s39275 > Canonical URL: https://steelequivalents.com/materials/uns/s39275 > 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. UNS · United States · 2 designations # S39275 SUS 329J4L is a grade designated under JIS. Its recorded composition includes C ≤ 0.03%, Cr 24–26%, Mn ≤ 1.5%, Ni 5.5–7.5% and Mo 2.5–3.5%. We list one designation recorded for this grade, in the standard UNS. - *Designations* **2** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=15a0ccdf-534f-49ae-8319-fcf2c8c043dc&designation=bc884943-d3dd-4f5e-a7ac-d0b10c6af1d4 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/uns/s39275.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [JIS SUS 329J4L This grade’s own name · 2 grades on that route](/materials/jis/sus329j4l "JIS SUS 329J4L") ## Also known as 2 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. UNS United States · 1 - **S39275 Indicative** JIS Japan · 1 - [SUS 329J4L This grade’s own name](/materials/jis/sus329j4l "JIS SUS 329J4L") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 9 elements on file · weight % What this alloy is Fe Cr Ni Mo Iron — the balance, never listed by a standard — 62.7 % Cr — 25 % Ni — 6.5 % Mo — 3 % Traces & impurities · 2.8 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 0.03 | | Si | ≤ 1 | | Mn | ≤ 1.5 | | P | ≤ 0.04 | | S | ≤ 0.03 | | Cr | 24–26 | | Mo | 2.5–3.5 | | Ni | 5.5–7.5 | | N | 0.08–0.3 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Nitrogen 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 | \<0.03 | — | 0.030 | Max | | N | 0.08 - 0.30 | 0.080 | 0.300 | Range | | Si | \<1.0 | — | 1.000 | Max | | P | \<0.040 | — | 0.040 | Max | | S | \<0.030 | — | 0.030 | Max | | Cr | 24.0 - 26.0 | 24.000 | 26.000 | Range | | Mn | \<1.5 | — | 1.500 | Max | | Ni | 5.5 - 7.5 | 5.500 | 7.500 | Range | | Mo | 2.5 - 3.5 | 2.500 | 3.500 | 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=15a0ccdf-534f-49ae-8319-fcf2c8c043dc&designation=bc884943-d3dd-4f5e-a7ac-d0b10c6af1d4 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/uns/s39275.pdf "Datasheet as PDF")