--- title: "W2Mo9Cr4V2 — composition, equivalents and standards" description: "W2Mo9Cr4V2: 1 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/gb/w2mo9cr4v2 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/gb/w2mo9cr4v2.md cs: https://steelequivalents.com/cs/materiály/gb/w2mo9cr4v2.md de: https://steelequivalents.com/de/werkstoffe/gb/w2mo9cr4v2.md es: https://steelequivalents.com/es/materiales/gb/w2mo9cr4v2.md fr: https://steelequivalents.com/fr/matériaux/gb/w2mo9cr4v2.md hu: https://steelequivalents.com/hu/anyagok/gb/w2mo9cr4v2.md it: https://steelequivalents.com/it/materiali/gb/w2mo9cr4v2.md nl: https://steelequivalents.com/nl/materialen/gb/w2mo9cr4v2.md pl: https://steelequivalents.com/pl/materiały/gb/w2mo9cr4v2.md pt: https://steelequivalents.com/pt/materiais/gb/w2mo9cr4v2.md ru: https://steelequivalents.com/ru/материалы/gb/w2mo9cr4v2.md tr: https://steelequivalents.com/tr/malzemeler/gb/w2mo9cr4v2.md zh: https://steelequivalents.com/zh/材料/gb/w2mo9cr4v2.md ja: https://steelequivalents.com/ja/材料/gb/w2mo9cr4v2.md ar: https://steelequivalents.com/ar/المواد/gb/w2mo9cr4v2.md ko: https://steelequivalents.com/ko/재료/gb/w2mo9cr4v2.md pt-br: https://steelequivalents.com/pt-br/materiais/gb/w2mo9cr4v2.md hi: https://steelequivalents.com/hi/सामग्री/gb/w2mo9cr4v2.md content_hash: sha256:190185a7667240d3f00da8bd95a11a1e8db67432bc2daeea201fe83509fb0b66 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/gb/w2mo9cr4v2 > Canonical URL: https://steelequivalents.com/materials/gb/w2mo9cr4v2 > 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. GB · China · 1 designation # W2Mo9Cr4V2 W2Mo9Cr4V2 is a grade designated under GB. Its recorded composition includes C 0.95–1.05%, V 1.75–2.2%, Cr 3.5–4.5%, Mo 8.2–9.2% and W 1.5–2.1%. No cross-standard equivalents are recorded for this grade yet. Recorded mechanical properties include HB 255–302; these figures vary with the delivery condition and dimension. - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=9b34a2c9-9215-4c00-9132-3b274beabb07&designation=e43f374e-7c0b-4227-9e29-f4816f1c7d17 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/gb/w2mo9cr4v2.pdf "Datasheet as PDF") ## Chemical composition 9 elements on file · weight % What this alloy is Fe Mo Cr V Iron — the balance, never listed by a standard — 81.5 % Mo — 8.7 % Cr — 4 % V — 2 % Traces & impurities · 3.8 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.95–1.05 | | Si | ≤ 0.7 | | Mn | 0.15–0.4 | | P | ≤ 0.03 | | S | ≤ 0.02 | | Cr | 3.5–4.5 | | Mo | 8.2–9.2 — Unusual | | V | 1.75–2.2 — Unusual | | W | 1.5–2.1 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum 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 | 0.95-1.05 | 0.950 | 1.050 | Range | | Si | ≤0.7 | — | 0.700 | Max | | P | ≤0.03 | — | 0.030 | Max | | S | ≤0.02 | — | 0.020 | Max | | V | 1.75-2.2 | 1.750 | 2.200 | Range | | Cr | 3.5-4.5 | 3.500 | 4.500 | Range | | Mn | 0.15-0.4 | 0.150 | 0.400 | Range | | Mo | 8.2-9.2 | 8.200 | 9.200 | Range | | W | 1.5-2.1 | 1.500 | 2.100 | 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 Not enough recorded composition to predict a transformation temperature for this grade — missing: Ni. ## 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. ## Properties by condition 0 conditions · 0 values 3 further values are held for this grade under a condition the source did not name — a bound with no quantity attached. They are withheld rather than shown against a guessed condition. ## Heat treatment **GB /T 9943-2025** In this order Test specimen 1. Preheating 800–900 °C 2. Quenching 1190–1210 °C Quenchant Oil, Salt bath or Nitrogen 3. Tempering 550 °C Supply condition - Annealing Supply condition - Annealing Supply condition - Quenching and Tempering Test specimen Conditions the standard permits on delivery. No temperature or medium is published for these, so no order and no alternation is implied. Source: [www.caishuku.com](https://www.caishuku.com/detail/azhlNWIxMTQ4NTY_ "Source: www.caishuku.com") ## 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=9b34a2c9-9215-4c00-9132-3b274beabb07&designation=e43f374e-7c0b-4227-9e29-f4816f1c7d17 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/gb/w2mo9cr4v2.pdf "Datasheet as PDF")