--- title: "5737 — 5 equivalent grades, compared" description: "The designation 5737 is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means." canonical: https://steelequivalents.com/materials/ams/5737 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/ams/5737.md cs: https://steelequivalents.com/cs/materiály/ams/5737.md de: https://steelequivalents.com/de/werkstoffe/ams/5737.md es: https://steelequivalents.com/es/materiales/ams/5737.md fr: https://steelequivalents.com/fr/matériaux/ams/5737.md hu: https://steelequivalents.com/hu/anyagok/ams/5737.md it: https://steelequivalents.com/it/materiali/ams/5737.md nl: https://steelequivalents.com/nl/materialen/ams/5737.md pl: https://steelequivalents.com/pl/materiały/ams/5737.md pt: https://steelequivalents.com/pt/materiais/ams/5737.md ru: https://steelequivalents.com/ru/материалы/ams/5737.md tr: https://steelequivalents.com/tr/malzemeler/ams/5737.md zh: https://steelequivalents.com/zh/材料/ams/5737.md ja: https://steelequivalents.com/ja/材料/ams/5737.md ar: https://steelequivalents.com/ar/المواد/ams/5737.md ko: https://steelequivalents.com/ko/재료/ams/5737.md pt-br: https://steelequivalents.com/pt-br/materiais/ams/5737.md hi: https://steelequivalents.com/hi/सामग्री/ams/5737.md content_hash: sha256:403fc6aa036c204a3d83a6fdf11d998427f3319ddb4b7650cf24bd09a509e238 generated: 2026-09-24 --- > **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/ams/5737 > Canonical URL: https://steelequivalents.com/materials/ams/5737 > 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. SAE AMS · United States / Aerospace · 5 grades # 5737 The designation 5737 is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means. - *Matching grades* **5** - [*Category* **Tool steels for hot work · 37 grades**](/categories/tool-steels-for-hot-work "Category: Tool steels for hot work · 37 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* **High-temperature steels / aviation variant · 12 grades**](/categories/high-temperature-steels-aviation-variant "Category: High-temperature steels / aviation variant · 12 grades") - [*Category* **High-temperature steels · 40 grades**](/categories/high-temperature-steels "Category: High-temperature steels · 40 grades") [Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry") ## Which of the 5 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% | P% | S% | B% | Ti% | Mn% | |---|---|---|---|---|---|---|---|---|---| | [X6NiCrTi26-15](/materials/din-en/x6nicrti26-15 "X6NiCrTi26-15") | [1.2779](/materials/material-no/1.2779 "1.2779") 1.2 | [Tool steels for hot work](/categories/tool-steels-for-hot-work "Tool steels for hot work") | 15 | ≤0,08 | 0,03 | 0,03 | 0,003-0,010 | 1,90-2,30 | ≤2,00 | | [X4NiCrTi25-15](/materials/din-en/x4nicrti25-15 "X4NiCrTi25-15") | [1.4943](/materials/material-no/1.4943 "1.4943") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 17 | ≤0,06 | 0,025 | 0,015 | 0,003-0,010 | 1,70-2,00 | ≤2,00 | | [X6NiCrTiMoV26-15](/materials/din-en/x6nicrtimov26-15 "X6NiCrTiMoV26-15") | [1.4944](/materials/material-no/1.4944 "1.4944") 1.4 | [High-temperature steels / aviation variant](/categories/high-temperature-steels-aviation-variant "High-temperature steels / aviation variant") | 15 | ≤0,08 | 0,025 | 0,015 | 0,003-0,010 | 1,90-2,30 | ≤2,00 | | [S66286](/materials/uns/s66286 "S66286") | [1.4954](/materials/material-no/1.4954 "1.4954") 1.4 | [High-temperature steels](/categories/high-temperature-steels "High-temperature steels") | 14 | ≤0,08 | 0,01 | 0,01 | 0,003-0,01 | 1,90-2,30 | 1,00-2,00 | | [X5NiCrTi26-15](/materials/din-en/x5nicrti26-15 "X5NiCrTi26-15") | [1.4980](/materials/material-no/1.4980 "1.4980") 1.4 | [High-temperature steels](/categories/high-temperature-steels "High-temperature steels") | 33 | 0,03-0,08 | 0,025 | 0,015 | 0,003-0,010 | 1,90-2,30 | 1,00-2,00 | ## 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")