--- title: "A264 — 17 equivalent grades, compared" description: "The designation A264 is carried by 17 different grades. Compare them on the elements that actually differ, then open the one your print means." canonical: https://steelequivalents.com/materials/astm/a264 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/astm/a264.md cs: https://steelequivalents.com/cs/materiály/astm/a264.md de: https://steelequivalents.com/de/werkstoffe/astm/a264.md es: https://steelequivalents.com/es/materiales/astm/a264.md fr: https://steelequivalents.com/fr/matériaux/astm/a264.md hu: https://steelequivalents.com/hu/anyagok/astm/a264.md it: https://steelequivalents.com/it/materiali/astm/a264.md nl: https://steelequivalents.com/nl/materialen/astm/a264.md pl: https://steelequivalents.com/pl/materiały/astm/a264.md pt: https://steelequivalents.com/pt/materiais/astm/a264.md ru: https://steelequivalents.com/ru/материалы/astm/a264.md tr: https://steelequivalents.com/tr/malzemeler/astm/a264.md zh: https://steelequivalents.com/zh/材料/astm/a264.md ja: https://steelequivalents.com/ja/材料/astm/a264.md ar: https://steelequivalents.com/ar/المواد/astm/a264.md ko: https://steelequivalents.com/ko/재료/astm/a264.md pt-br: https://steelequivalents.com/pt-br/materiais/astm/a264.md hi: https://steelequivalents.com/hi/सामग्री/astm/a264.md content_hash: sha256:6e28274d65d68f4c80195a0d7937b814086494d041253190e235a557b3eb0cd1 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/a264 > Canonical URL: https://steelequivalents.com/materials/astm/a264 > 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 · 17 grades # A264 The designation A264 is carried by 17 different grades. Compare them on the elements that actually differ, then open the one your print means. - *Matching grades* **17** - [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades") - [*Category* **Special steels for aviation and aerospace · 39 grades**](/categories/special-steels-for-aviation-and-aerospace "Category: Special steels for aviation and aerospace · 39 grades") - [*Category* **Heat resistant steels · 64 grades**](/categories/heat-resistant-steels "Category: Heat resistant steels · 64 grades") - [*Category* **High-temperature steels / aviation variant · 12 grades**](/categories/high-temperature-steels-aviation-variant "Category: High-temperature steels / aviation variant · 12 grades") [Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry") ## Which of the 17 do you want? This name is carried by several grades. The elements shown are the ones whose values actually differ across the set — the ones that decide the question. Values are the source text verbatim; an em dash means no value on file for that element on that grade, not zero. | Grade | Material no. | Category | Designations | C% | Ni% | Cr% | Si% | Mo% | S% | |---|---|---|---|---|---|---|---|---|---| | [X 12 CrNi 18 8](/materials/din-en/x-12-crni-18-8 "X 12 CrNi 18 8") | [1.4300](/materials/material-no/1.4300 "1.4300") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 76 | ≤0,12 | 8,00-10,0 | 17,0-19,0 | ≤1,00 | — | 0,03 | | [1.4310](/materials/material-no/1.4310 "1.4310") | [1.4310](/materials/material-no/1.4310 "1.4310") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 97 | 0,05-0,15 | 6,00-9,50 | 16,0-19,0 | ≤2,00 | ≤0,80 | 0,015 | | [X3CrNiN17-8](/materials/din-en/x3crnin17-8 "X3CrNiN17-8") | [1.4319](/materials/material-no/1.4319 "1.4319") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 23 | ≤0,070 | 6,00-8,00 | 16,0-18,0 | ≤1,00 | — | 0,03 | | [S30100](/materials/uns/s30100 "S30100") | [1.4324](/materials/material-no/1.4324 "1.4324") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 52 | ≤0,12 | 7,00-9,00 | 16,0-18,0 | ≤1,00 | — | 0,03 | | [X9CrNi18-9](/materials/din-en/x9crni18-9 "X9CrNi18-9") | [1.4325](/materials/material-no/1.4325 "1.4325") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 51 | 0,03-0,15 | 8,00-10,0 | 17,0-19,0 | ≤1,00 | — | 0,03 | | [X1CrNi25-21](/materials/din-en/x1crni25-21 "X1CrNi25-21") | [1.4335](/materials/material-no/1.4335 "1.4335") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 36 | ≤0,020 | 20,0-22,0 | 24,0-26,0 | ≤0,25 | ≤0,20 | 0,01 | | [1.4401](/materials/material-no/1.4401 "1.4401") | [1.4401](/materials/material-no/1.4401 "1.4401") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 134 | ≤0,07 | 10,0-13,0 | 16,5-18,5 | ≤1,00 | 2,00-2,50 | 0,015 | | [1.4436](/materials/material-no/1.4436 "1.4436") | [1.4436](/materials/material-no/1.4436 "1.4436") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 118 | ≤0,05 | 10,5-13,0 | 16,5-18,5 | ≤1,00 | 2,50-3,00 | 0,015 | | [1.4541](/materials/material-no/1.4541 "1.4541") | [1.4541](/materials/material-no/1.4541 "1.4541") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 175 | ≤0,08 | 9,00-12,0 | 17,0-19,0 | ≤1,00 | — | 0,015 | | [S30347](/materials/uns/s30347 "S30347") | [1.4544](/materials/material-no/1.4544 "1.4544") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 69 | ≤0,08 | 9,00-11,5 | 17,0-19,0 | ≤1,00 | — | 0,025 | | [X5CrNiNb18-10](/materials/din-en/x5crninb18-10 "X5CrNiNb18-10") | [1.4546](/materials/material-no/1.4546 "1.4546") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 70 | ≤0,08 | 9,00-11,5 | 17,0-19,0 | ≤1,00 | — | 0,03 | | [1.4550](/materials/material-no/1.4550 "1.4550") | [1.4550](/materials/material-no/1.4550 "1.4550") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 107 | ≤0,08 | 9,00-12,0 | 17,0-19,0 | ≤1,00 | — | 0,015 | | [1.4828](/materials/material-no/1.4828 "1.4828") | [1.4828](/materials/material-no/1.4828 "1.4828") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 77 | ≤0,20 | 11,0-13,0 | 19,0-21,0 | 1,50-2,50 | — | 0,015 | | [X 7 CrNi 23 14](/materials/din-en/x-7-crni-23-14 "X 7 CrNi 23 14") | [1.4833](/materials/material-no/1.4833 "1.4833") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 69 | ≤0,15 | 12,0-14,0 | 22,0-24,0 | ≤1,00 | — | 0,015 | | [1.4845](/materials/material-no/1.4845 "1.4845") | [1.4845](/materials/material-no/1.4845 "1.4845") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 91 | ≤0,10 | 19,0-22,0 | 24,0-26,0 | ≤1,50 | — | 0,015 | | [X6CrNi25-20](/materials/din-en/x6crni25-20 "X6CrNi25-20") | [1.4951](/materials/material-no/1.4951 "1.4951") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 34 | 0,04-0,08 | 19,0-22,0 | 24,0-26,0 | ≤0,70 | — | 0,015 | | [S31600](/materials/uns/s31600 "S31600") | [1.4984](/materials/material-no/1.4984 "1.4984") 1.4 | [High-temperature steels / aviation variant](/categories/high-temperature-steels-aviation-variant "High-temperature steels / aviation variant") | 64 | 0,04-0,10 | 15,5-17,5 | 15,5-17,5 | 0,30-0,60 | 1,60-2,00 | 0,03 | ## Not sure which one your print means? 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 "Inquiry")