--- title: "30Mn5 — Quenched and tempered steels" description: "30Mn5: 10 equivalent designations across 8 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/din-en/30mn5 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/din-en/30mn5.md cs: https://steelequivalents.com/cs/materiály/din-en/30mn5.md de: https://steelequivalents.com/de/werkstoffe/din-en/30mn5.md es: https://steelequivalents.com/es/materiales/din-en/30mn5.md fr: https://steelequivalents.com/fr/matériaux/din-en/30mn5.md hu: https://steelequivalents.com/hu/anyagok/din-en/30mn5.md it: https://steelequivalents.com/it/materiali/din-en/30mn5.md nl: https://steelequivalents.com/nl/materialen/din-en/30mn5.md pl: https://steelequivalents.com/pl/materiały/din-en/30mn5.md pt: https://steelequivalents.com/pt/materiais/din-en/30mn5.md ru: https://steelequivalents.com/ru/материалы/din-en/30mn5.md tr: https://steelequivalents.com/tr/malzemeler/din-en/30mn5.md zh: https://steelequivalents.com/zh/材料/din-en/30mn5.md ja: https://steelequivalents.com/ja/材料/din-en/30mn5.md ar: https://steelequivalents.com/ar/المواد/din-en/30mn5.md ko: https://steelequivalents.com/ko/재료/din-en/30mn5.md pt-br: https://steelequivalents.com/pt-br/materiais/din-en/30mn5.md hi: https://steelequivalents.com/hi/सामग्री/din-en/30mn5.md content_hash: sha256:a875cb04b134fde3803b74ec4e8513ec4108525e091cb07034bf300d5a2492e3 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/din-en/30mn5 > Canonical URL: https://steelequivalents.com/materials/din-en/30mn5 > 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. DIN / EN · Europe · 10 designations # 30Mn5 30Mn5 is a material in the category [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels"), held under material number 1.1173. We list 9 designations recorded for this grade, in the standards UNS, AISI / SAE, BS, AFNOR, JIS, GB and GOST. Its recorded composition includes C 0.27–0.34%, Si 0.15–0.4%, P 0.035%, Cr ≤ 0.3% and Mn 1.2–1.5%. Its recorded density is 7.85 g/cm³. - [*Material no.* **1.1173**](/materials/material-no/1.1173 "Material no.: 1.1173") - [*Category* **Quenched and tempered steels · 133 grades**](/categories/quenched-and-tempered-steels "Category: Quenched and tempered steels · 133 grades") - *Designations* **10** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=4fabea87-506e-49a5-af97-7a677b9a4d97&designation=d843ba7a-2a84-4703-a85e-15d659a6238f "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/30mn5.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [UNS G13300 This grade’s own name · 5 grades on that route](/materials/uns/g13300 "UNS G13300") - [AISI / SAE 1330 This grade’s own name · 6 grades on that route](/materials/aisi-sae/1330 "AISI / SAE 1330") ## About Quenched and tempered steels Quenched and tempered steels are heat-treated steels designed to combine high strength with useful toughness and ductility. They are used for heavily loaded components such as shafts, gears, fasteners and structural machine parts where resistance to mechanical stress is required. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 10 designations · 8 standards · nothing hidden This grade’s own name recorded in our sources as this grade’s own designation under that standard. Indicative taken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering. Withdrawn designation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once. DIN / EN Europe · 1 - **30Mn5 This grade’s own name** UNS United States · 2 - [G13300 This grade’s own name](/materials/uns/g13300 "UNS G13300") - [H13300 This grade’s own name](/materials/uns/h13300 "UNS H13300") AISI / SAE United States · 2 - [1330 This grade’s own name](/materials/aisi-sae/1330 "AISI / SAE 1330") - [1330H This grade’s own name](/materials/aisi-sae/1330h "AISI / SAE 1330H") BS United Kingdom · 1 - [150M28 Indicative](/materials/bs/150m28 "BS 150M28") AFNOR France · 1 - [32M5 Indicative](/materials/afnor/32m5 "AFNOR 32M5") JIS Japan · 1 - [SMn433H Indicative](/materials/jis/smn433h "JIS SMn433H") GB China · 1 - [30Mn2 Indicative](/materials/gb/30mn2 "GB 30Mn2") GOST Russia / CIS · 1 - [30Г2 Indicative](/materials/bds/30g2 "GOST 30Г2") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 6 elements on file · weight % What this alloy is Fe Mn C Cr Iron — the balance, never listed by a standard — 97.7 % Mn — 1.4 % C — 0.3 % Cr — 0.3 % Traces & impurities · 0.3 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.27–0.34 | | Si | 0.15–0.4 | | Mn | 1.2–1.5 | | P | 0.035 | | S | 0.035 | | Cr | ≤ 0.3 | Carbon Silicon Manganese Phosphorus Sulfur Chromium 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 | 0,27-0,34 | 0.270 | 0.340 | 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 | | Cr | ≤0,30 | — | 0.300 | Max | | Mn | 1,20-1,50 | 1.200 | 1.500 | 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, Mo. ## 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 1.1, a shared category, and a published range for Mn / Si 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. [26Mn5 1.1161 Mn 1,20-1,50 · Si ≤0,40 - ΔMn 0.00 - ΔSi 0.08 - 7 designations](/materials/din-en/26mn5 "26Mn5")[1.1167 1.1167 Mn 1,20-1,50 · Si ≤0,40 - ΔMn 0.00 - ΔSi 0.08 - 82 designations](/materials/material-no/1.1167 "1.1167")[G28Mn6 1.1165 Mn 1,20-1,80 · Si ≤0,60 - ΔMn 0.15 - ΔSi 0.02 - 56 designations](/materials/din-en/g28mn6 "G28Mn6")[20Mn5 1.1133 Mn 1,00-1,50 · Si ≤0,40 - ΔMn 0.10 - ΔSi 0.08 - 71 designations](/materials/din-en/20mn5 "20Mn5")[38Mn6 1.1127 Mn 1,40-1,65 · Si 0,15-0,35 - ΔMn 0.17 - ΔSi 0.03 - 10 designations](/materials/din-en/38mn6 "38Mn6")[1.1170 1.1170 Mn 1,30-1,65 · Si ≤0,40 - ΔMn 0.13 - ΔSi 0.08 - 44 designations](/materials/material-no/1.1170 "1.1170") ## 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=4fabea87-506e-49a5-af97-7a677b9a4d97&designation=d843ba7a-2a84-4703-a85e-15d659a6238f "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/30mn5.pdf "Datasheet as PDF")