--- title: "A276 F55 — Stainless steels" description: "A276 F55 in ASTM: material number 1.4501, also listed as X2CrNiMoCuWN25-7-4. Category: Stainless steels. Designations recorded for this grade: 36." canonical: https://steelequivalents.com/materials/astm/a276-f55 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/astm/a276-f55.md cs: https://steelequivalents.com/cs/materiály/astm/a276-f55.md de: https://steelequivalents.com/de/werkstoffe/astm/a276-f55.md es: https://steelequivalents.com/es/materiales/astm/a276-f55.md fr: https://steelequivalents.com/fr/matériaux/astm/a276-f55.md hu: https://steelequivalents.com/hu/anyagok/astm/a276-f55.md it: https://steelequivalents.com/it/materiali/astm/a276-f55.md nl: https://steelequivalents.com/nl/materialen/astm/a276-f55.md pl: https://steelequivalents.com/pl/materiały/astm/a276-f55.md pt: https://steelequivalents.com/pt/materiais/astm/a276-f55.md ru: https://steelequivalents.com/ru/материалы/astm/a276-f55.md tr: https://steelequivalents.com/tr/malzemeler/astm/a276-f55.md zh: https://steelequivalents.com/zh/材料/astm/a276-f55.md ja: https://steelequivalents.com/ja/材料/astm/a276-f55.md ar: https://steelequivalents.com/ar/المواد/astm/a276-f55.md ko: https://steelequivalents.com/ko/재료/astm/a276-f55.md pt-br: https://steelequivalents.com/pt-br/materiais/astm/a276-f55.md hi: https://steelequivalents.com/hi/सामग्री/astm/a276-f55.md content_hash: sha256:8bb9f42de1058e728818534260c1ecf36e94719377c8ab15185d9cf1ec54d806 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/astm/a276-f55 > Canonical URL: https://steelequivalents.com/materials/astm/a276-f55 > 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. ASTM · United States · 36 designations # A276 F55 A276 F55 is a designation in ASTM for the material held under material number 1.4501, also listed as X2CrNiMoCuWN25-7-4. It is a material in the category Stainless steels. We list 36 designations recorded for this grade, in the standards DIN / EN, UNS, AISI / SAE, ASTM, AFNOR, ISO, GOST, UNI and ČSN. - [*Material no.* **1.4501**](/materials/material-no/1.4501 "Material no.: 1.4501") - [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades") - *Designations* **36** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=69f42f35-3437-4629-b1d1-83aa71576d4f&designation=21c237bc-b01a-4a48-8db9-0935c900284b "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/astm/a276-f55.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [DIN / EN X2CrNiMoCuWN25-7-4 This grade’s own name](/materials/din-en/x2crnimocuwn25-7-4 "DIN / EN X2CrNiMoCuWN25-7-4") - [UNS S32750 This grade’s own name · 2 grades on that route](/materials/uns/s32750 "UNS S32750") ## About Stainless steels Stainless steels are corrosion-resistant alloy steels whose chromium content promotes a protective passive surface film. They are used for equipment, structures and components exposed to moisture, chemicals or hygienic service, with different alloy compositions selected for corrosion resistance, strength, formability or weldability. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 36 designations · 9 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. DIN / EN Europe · 1 - [X2CrNiMoCuWN25-7-4 This grade’s own name](/materials/din-en/x2crnimocuwn25-7-4 "DIN / EN X2CrNiMoCuWN25-7-4") UNS United States · 2 - [S32750 This grade’s own name](/materials/uns/s32750 "UNS S32750") - [S32760 This grade’s own name](/materials/uns/s32760 "UNS S32760") AISI / SAE United States · 2 - [S32750 Indicative](/materials/uns/s32750 "AISI / SAE S32750") - [S32760 Indicative](/materials/uns/s32760 "AISI / SAE S32760") ASTM United States · 22 - [2507 Indicative](/materials/astm/2507 "ASTM 2507") - [25Cr-7Ni-Mo-N Indicative](/materials/astm/25cr-7ni-mo-n "ASTM 25Cr-7Ni-Mo-N") - [A 781 Grade 6A Indicative](/materials/astm/a-781-grade-6a "ASTM A 781 Grade 6A") - [A182 Indicative](/materials/aisi-sae/a182 "ASTM A182") - [A182 F55 Indicative](/materials/astm/a182-f55 "ASTM A182 F55") - [A240 Indicative](/materials/astm/a240 "ASTM A240") - [A276 Indicative](/materials/astm/a276 "ASTM A276") - **A276 F55 Indicative** - [A314 Indicative](/materials/astm/a314 "ASTM A314") - [A473 Indicative](/materials/astm/a473 "ASTM A473") - [A479 Indicative](/materials/astm/a479 "ASTM A479") - [A479 F55 Indicative](/materials/astm/a479-f55 "ASTM A479 F55") - [A790 Indicative](/materials/astm/a790 "ASTM A790") - [A815 Indicative](/materials/astm/a815 "ASTM A815") - [CD3MWCuN Indicative](/materials/astm/cd3mwcun "ASTM CD3MWCuN") - [F53 Indicative](/materials/astm/f53 "ASTM F53") - [F55 Indicative](/materials/astm/f55 "ASTM F55") - [J93380 Indicative](/materials/uns/j93380 "ASTM J93380") - [S32750 Indicative](/materials/uns/s32750 "ASTM S32750") - [S32760 Indicative](/materials/uns/s32760 "ASTM S32760") - [S39275 Indicative](/materials/uns/s39275 "ASTM S39275") - [S39276 Indicative](/materials/astm/s39276 "ASTM S39276") AFNOR France · 2 - [Z3CND25.06Az Indicative](/materials/afnor/z3cnd25-06az "AFNOR Z3CND25.06Az") - [Z3CNDU25-06AZ Indicative](/materials/afnor/z3cndu25-06az "AFNOR Z3CNDU25-06AZ") ISO International · 1 - [CrNiMo25-7-4 Indicative](/materials/iso/crnimo25-7-4 "ISO CrNiMo25-7-4") GOST Russia / CIS · 4 - [02Ch25N7M3 Indicative](/materials/gost/02ch25n7m3 "GOST 02Ch25N7M3") - [02Ch25N7M4 Indicative](/materials/gost/02ch25n7m4 "GOST 02Ch25N7M4") - [02Х25Н7М3 Indicative](/materials/gost/02kh25n7m3 "GOST 02Х25Н7М3") - [02Х25Н7М4 Indicative](/materials/gost/02kh25n7m4 "GOST 02Х25Н7М4") UNI Italy · 1 - [329S Indicative](/materials/uni/329s "UNI 329S") ČSN Czechia · 1 - [42 2942 Indicative](/materials/csn/422-942 "ČSN 42 2942") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 11 elements on file · weight % What this alloy is Fe Cr Ni Mo Iron — the balance, never listed by a standard — 60.7 % Cr — 25 % Ni — 7 % Mo — 3.5 % Traces & impurities · 3.8 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 0.03 | | Si | ≤ 1 | | Mn | ≤ 1 | | P | 0.035 | | S | 0.015 | | Cr | 24–26 | | Mo | 3–4 | | Ni | 6–8 | | W | 0.5–1 | | Cu | 0.5–1 | | N | 0.2–0.3 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Tungsten Copper 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 | ≤0,030 | — | 0.030 | Max | | N | 0,20-0,30 | 0.200 | 0.300 | Range | | Si | ≤1,00 | — | 1.000 | Max | | P | 0,035 | 0.035 | 0.035 | Exact | | S | 0,015 | 0.015 | 0.015 | Exact | | Cr | 24,0-26,0 | 24.000 | 26.000 | Range | | Mn | ≤1,00 | — | 1.000 | Max | | Ni | 6,00-8,00 | 6.000 | 8.000 | Range | | Cu | 0,50-1,00 | 0.500 | 1.000 | Range | | Mo | 3,00-4,00 | 3.000 | 4.000 | Range | | W | 0,50-1,00 | 0.500 | 1.000 | 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 Density 7,9 g/cm³ Exact 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. ## Properties by condition 2 conditions · 2 values By delivery state**Soft annealed** source `steelnumber` | Delivery state | HB | |---|---| | Soft annealed | 290 | By delivery state**Solution annealed** source `steelnumber` | Delivery state | HB | |---|---| | Solution annealed | 310 | Every figure holds only for the condition on its own row. Values are never merged across conditions or across sources, never averaged, and never interpolated between two rows. An em dash means no value on file — never zero. Figures are converted to the unit in the column header; the source’s own wording is kept and shown where the two differ. ## Similar grades — and why Selection rule, stated so you can disagree with it: same number class 1.4, a shared category, and a published range for Cr / Ni that overlaps this grade’s. These are neighbours in composition space — they are not equivalents, and none is claimed to be interchangeable with this grade. [X2CrNiMoN25-7-4 1.4410 Cr 24,0-26,0 · Ni 6,00-8,00 - ΔCr 0.00 - ΔNi 0.00 - 28 designations](/materials/din-en/x2crnimon25-7-4 "X2CrNiMoN25-7-4")[X4CrNiMoNb25-7 1.4582 Cr 24,0-26,0 · Ni 6,50-7,50 - ΔCr 0.00 - ΔNi 0.00 - 1 designations](/materials/din-en/x4crnimonb25-7 "X4CrNiMoNb25-7")[X2CrNiMoN25-7-3 1.4481 Cr 24,0-26,0 · Ni 5,50-7,50 - ΔCr 0.00 - ΔNi 0.50 - 2 designations](/materials/din-en/x2crnimon25-7-3 "X2CrNiMoN25-7-3")[X3CrNiMoN27-5-2 1.4460 Cr 25,0-28,0 · Ni 4,50-6,50 - ΔCr 1.50 - ΔNi 1.50 - 47 designations](/materials/din-en/x3crnimon27-5-2 "X3CrNiMoN27-5-2") ## 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=69f42f35-3437-4629-b1d1-83aa71576d4f&designation=21c237bc-b01a-4a48-8db9-0935c900284b "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/astm/a276-f55.pdf "Datasheet as PDF")