--- title: "High-speed steels — 59 grades with composition — Page 2" description: "High-speed steels are alloyed tool steels designed to retain hardness and cutting ability when tools heat up during high-speed machining. Their hot…" canonical: https://steelequivalents.com/categories/high-speed-steels/page/2 language: en robots: index, follow og_type: website type: category-detail language_alternates: en: https://steelequivalents.com/categories/high-speed-steels/page/2.md cs: https://steelequivalents.com/cs/kategorie/rychlořezné-oceli.md de: https://steelequivalents.com/de/kategorien/schnellarbeitsstähle.md es: https://steelequivalents.com/es/categorías/aceros-rápidos.md fr: https://steelequivalents.com/fr/catégories/aciers-rapides.md hu: https://steelequivalents.com/hu/kategóriák/gyorsacélok.md it: https://steelequivalents.com/it/categorie/acciai-rapidi.md nl: https://steelequivalents.com/nl/categorieën/sneldraaistalen.md pl: https://steelequivalents.com/pl/kategorie/stale-szybkotnące.md pt: https://steelequivalents.com/pt/categorias/aços-rápidos.md ru: https://steelequivalents.com/ru/категории/быстрорежущие-стали.md tr: https://steelequivalents.com/tr/kategoriler/yüksek-hız-çelikleri.md zh: https://steelequivalents.com/zh/类别/高速钢.md ja: https://steelequivalents.com/ja/カテゴリー/高速度工具鋼.md ar: https://steelequivalents.com/ar/الفئات/فولاذ-عالي-السرعة.md ko: https://steelequivalents.com/ko/분류/고속도강.md pt-br: https://steelequivalents.com/pt-br/categorias/aços-rápidos.md hi: https://steelequivalents.com/hi/श्रेणियाँ/हाई-स्पीड-इस्पात.md content_hash: sha256:102de89cb8353090b5e9d84b203c84ffbcc54ea6b4c98b0f5d7c12f0b0880cca 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/categories/high-speed-steels/page/2 > Canonical URL: https://steelequivalents.com/categories/high-speed-steels/page/2 > 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. ![High-speed steels](/images/uploads/4ceb6e1d-6d86-48ce-90a3-3977f6291ec1/high-speed-steels-category-hss-drill-flutes-1920x1080.jpg) Category · 59 grades # High-speed steels High-speed steels are alloyed tool steels designed to retain hardness and cutting ability when tools heat up during high-speed machining. Their hot hardness and wear resistance make them suitable for cutting tools such as drills, milling cutters, taps and broaches. | Grade | Material no. | C | V | Cr | W | Si | Mo | |---|---|---|---|---|---|---|---| | [1.3355](/materials/material-no/1.3355 "1.3355") | [1.3355](/materials/material-no/1.3355 "1.3355") | 0,73-0,83 | 1,00-1,20 | 3,80-4,50 | 17,2-18,7 | ≤0,45 | — | | [S18-1-1](/materials/din-en/s18-1-1 "S18-1-1") | [1.3357](/materials/material-no/1.3357 "1.3357") | 0,70-0,78 | 1,00-1,20 | 3,80-4,50 | 17,5-18,5 | ≤0,45 | 0,95-1,10 | | [PMHS6-5-4](/materials/din-en/pmhs6-5-4 "PMHS6-5-4") | [1.3361](/materials/material-no/1.3361 "1.3361") | 1,25-1,40 | 3,70-4,20 | 3,80-4,50 | 5,20-6,00 | ≤0,45 | 4,20-5,00 | | [PMHS3-3-4](/materials/din-en/pmhs3-3-4 "PMHS3-3-4") | [1.3377](/materials/material-no/1.3377 "1.3377") | 1,45-1,55 | 3,90-4,20 | 3,80-4,50 | 2,30-2,80 | 0,40-0,60 | 2,30-2,80 | | 1.3390 | [1.3390](/materials/material-no/1.3390 "1.3390") | 0,88 | 2 | 4 | 6,3 | — | 3 | | [S 1-5-2](/materials/din-en/s-1-5-2 "S 1-5-2") | [1.3392](/materials/material-no/1.3392 "1.3392") | 0,8 | 1,8 | 4,5 | 0,7 | 0,8 | 5 | | [PMHS6-5-3](/materials/din-en/pmhs6-5-3 "PMHS6-5-3") | [1.3394](/materials/material-no/1.3394 "1.3394") | 1,15-1,25 | 2,70-3,20 | 3,80-4,50 | 5,90-6,70 | ≤0,45 | 4,70-5,20 | | [PMHS6-5-3C](/materials/din-en/pmhs6-5-3c "PMHS6-5-3C") | [1.3395](/materials/material-no/1.3395 "1.3395") | 1,25-1,32 | 2,70-3,20 | 3,80-4,50 | 5,90-6,70 | ≤0,70 | 4,70-5,20 | | [PMHS2-2-2](/materials/din-en/pmhs2-2-2 "PMHS2-2-2") | [1.3397](/materials/material-no/1.3397 "1.3397") | 0,55-0,65 | 1,40-1,80 | 3,80-4,50 | 1,90-2,50 | 0,80-1,20 | 1,80-2,40 | [Previous](/categories/high-speed-steels "Previous") Page 2 of 2 ## Standards covering this category 23 - [**DIN / EN***53 grades*](/materials/din-en "DIN / EN — 53 grades in this category") - [**JIS***18 grades*](/materials/jis "JIS — 18 grades in this category") - [**AISI / SAE***16 grades*](/materials/aisi-sae "AISI / SAE — 16 grades in this category") - [**KS***16 grades*](/materials/ks "KS — 16 grades in this category") - [**UNS***14 grades*](/materials/uns "UNS — 14 grades in this category") - [**AFNOR***13 grades*](/materials/afnor "AFNOR — 13 grades in this category") - [**ČSN***13 grades*](/materials/csn "ČSN — 13 grades in this category") - [**BS***11 grades*](/materials/bs "BS — 11 grades in this category") - [**UNE***11 grades*](/materials/une "UNE — 11 grades in this category") - [**GOST***10 grades*](/materials/gost "GOST — 10 grades in this category") - [**SRPS***9 grades*](/materials/srps "SRPS — 9 grades in this category") - [**UNI***8 grades*](/materials/uni "UNI — 8 grades in this category") - [**PN***8 grades*](/materials/pn "PN — 8 grades in this category") - [**GB***7 grades*](/materials/gb "GB — 7 grades in this category") - [**SS***6 grades*](/materials/ss "SS — 6 grades in this category") - [**STN***6 grades*](/materials/stn "STN — 6 grades in this category") - [**BDS***6 grades*](/materials/bds "BDS — 6 grades in this category") - [**ÖNORM***6 grades*](/materials/onorm "ÖNORM — 6 grades in this category") - [**ISO***5 grades*](/materials/iso "ISO — 5 grades in this category") - [**MSZ***5 grades*](/materials/msz "MSZ — 5 grades in this category") - [**ASTM***2 grades*](/materials/astm "ASTM — 2 grades in this category") - [**STAS***2 grades*](/materials/stas "STAS — 2 grades in this category") - [**SAE AMS***1 grade*](/materials/ams "SAE AMS — 1 grade in this category") ## Property ranges 14 | Property | Unit | Min | Max | Grades | |---|---|---|---|---| | Rm | N/mm² | 840 | 960 | 3 | | Re | N/mm² | 510 | 540 | 3 | | A5 | % | 7 | 12 | 3 | | Z | % | 10 | 14 | 3 | | KCU | kJ/m² | 80 | 190 | 3 | | HB | — | 255 | 302 | 25 | | rho | g/cm³ | 7.8 | 8.8 | 54 | | E | GPa | 181 | 229 | 3 | | lambda | W/(m·K) | 25 | 36 | 3 | | rho\_el | nΩ·m | 419 | 1173 | 2 | | Ac1 | °C | 800 | 840 | 6 | | Ac3 | °C | 840 | 875 | 3 | | Ar3 | °C | 770 | 805 | 3 | | Ar1 | °C | 725 | 765 | 4 | Derived from 54 grades in this category with a recorded value. ## Composition range 12 | Property | Unit | Min | Max | Grades | |---|---|---|---|---| | C | % | 0.55 | 2.48 | 58 | | Si | % | 0.1 | 45 | 57 | | P | % | 0.03 | 0.05 | 56 | | S | % | 0.03 | 0.15 | 56 | | V | % | 0.8 | 8.2 | 59 | | Cr | % | 3.5 | 5.5 | 59 | | Mn | % | 0.1 | 0.45 | 56 | | Co | % | 2.3 | 16 | 26 | | Cu | % | 0.25 | 0.25 | 5 | | Nb | % | 0.9 | 1.2 | 1 | | Mo | % | 0.5 | 10 | 57 | | W | % | 0.7 | 18.7 | 58 | Derived from 59 grades in this category with a recorded value. ## Heat treatment 4 | Operation | Min Temperature (°C) | Max Temperature (°C) | Grades | |---|---|---|---| | tempering | 550 | 550 | 5 | | annealing | — | — | 5 | | quenching | 1170 | 1270 | 5 | | preheating | 800 | 900 | 4 | ## Related guides 2 - [**High-Strength Low-Alloy Steels: Grades, Microalloying, Processing, and Properties**](/wiki/steel-families/high-strength-low-alloy-steels "High-Strength Low-Alloy Steels: Grades, Microalloying, Processing, and Properties") - [**Steel Creep, Stress Rupture, and Long-Term High-Temperature Performance**](/wiki/reading-a-datasheet/steel-creep-stress-rupture-and-long-term-high-temperature-performance "Steel Creep, Stress Rupture, and Long-Term High-Temperature Performance")