--- title: "Material 1.4934 — High-temperature steels / aviation variant" description: "1.4934 is the material number this entry is held under. It is a material in the category High-temperature steels / aviation variant." canonical: https://steelequivalents.com/materials/material-no/1.4934 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/material-no/1.4934.md cs: https://steelequivalents.com/cs/materiály/číslo-materiálu/1.4934.md de: https://steelequivalents.com/de/werkstoffe/werkstoff-nr/1.4934.md es: https://steelequivalents.com/es/materiales/número-de-material/1.4934.md fr: https://steelequivalents.com/fr/matériaux/numéro-de-matériau/1.4934.md hu: https://steelequivalents.com/hu/anyagok/anyagszám/1.4934.md it: https://steelequivalents.com/it/materiali/numero-materiale/1.4934.md nl: https://steelequivalents.com/nl/materialen/materiaalnummer/1.4934.md pl: https://steelequivalents.com/pl/materiały/numer-materiału/1.4934.md pt: https://steelequivalents.com/pt/materiais/número-do-material/1.4934.md ru: https://steelequivalents.com/ru/материалы/номер-материала/1.4934.md tr: https://steelequivalents.com/tr/malzemeler/malzeme-numarası/1.4934.md zh: https://steelequivalents.com/zh/材料/材料编号/1.4934.md ja: https://steelequivalents.com/ja/材料/材料番号/1.4934.md ar: https://steelequivalents.com/ar/المواد/رقم-المادة/1.4934.md ko: https://steelequivalents.com/ko/재료/재료번호/1.4934.md pt-br: https://steelequivalents.com/pt-br/materiais/número-do-material/1.4934.md hi: https://steelequivalents.com/hi/सामग्री/सामग्री-संख्या/1.4934.md content_hash: sha256:8b4e284964a72bdaabe35109579ade48134e7ef93162834bdbe414796eb2034b 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/material-no/1.4934 > Canonical URL: https://steelequivalents.com/materials/material-no/1.4934 > 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. # 1.4934 1.4934 is the material number this entry is held under. It is a material in the category High-temperature steels / aviation variant. - ***Material no.* **1.4934**** - [*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?material=ed3e831c-1605-4666-add7-4347647b328c "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/material-no/1.4934.pdf "Datasheet as PDF") ## About High-temperature steels / aviation variant High-temperature aviation steels are heat-resistant materials designed to retain strength and structural stability during prolonged exposure to elevated temperatures. Their alloying provides resistance to creep, oxidation, and thermal degradation, making them suitable for aircraft engine and other hot-section components. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Chemical composition 10 elements on file · weight % What this alloy is Fe Cr Mo Mn Iron — the balance, never listed by a standard — 85 % Cr — 11.5 % Mo — 1.1 % Mn — 0.6 % Traces & impurities · 1.9 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.18–0.26 | | Si | 0.15–0.4 | | Mn | 0.4–0.7 | | P | 0.035 | | S | 0.035 | | Cr | 10.5–12.5 | | Mo | 0.9–1.2 | | Ni | 0.3–0.8 | | V | 0.25–0.35 | | W | 0.4–0.6 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Vanadium Tungsten 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 | 0,18-0,26 | 0.180 | 0.260 | Range | | Si | 0,15-0,40 | 0.150 | 0.400 | Range | | P | 0,035 | 0.035 | 0.035 | Exact | | S | 0,035 | 0.035 | 0.035 | Exact | | V | 0,25-0,35 | 0.250 | 0.350 | Range | | Cr | 10,5-12,5 | 10.500 | 12.500 | Range | | Mn | 0,40-0,70 | 0.400 | 0.700 | Range | | Ni | 0,30-0,80 | 0.300 | 0.800 | Range | | Mo | 0,90-1,20 | 0.900 | 1.200 | Range | | W | 0,40-0,60 | 0.400 | 0.600 | 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 7,85 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. ## 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 / Mo 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. [X8CrCoNiMo10-6 1.4911 Cr 9,80-11,2 · Mo 0,50-1,00 - ΔCr 1.00 - ΔMo 0.30 - 1 designations](/materials/din-en/x8crconimo10-6 "X8CrCoNiMo10-6") ## 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=ed3e831c-1605-4666-add7-4347647b328c "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/material-no/1.4934.pdf "Datasheet as PDF")