--- title: "65Si7 — Spring steels" description: "65Si7: 17 equivalent designations across 12 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/din-en/65si7 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/din-en/65si7.md cs: https://steelequivalents.com/cs/materiály/din-en/65si7.md de: https://steelequivalents.com/de/werkstoffe/din-en/65si7.md es: https://steelequivalents.com/es/materiales/din-en/65si7.md fr: https://steelequivalents.com/fr/matériaux/din-en/65si7.md hu: https://steelequivalents.com/hu/anyagok/din-en/65si7.md it: https://steelequivalents.com/it/materiali/din-en/65si7.md nl: https://steelequivalents.com/nl/materialen/din-en/65si7.md pl: https://steelequivalents.com/pl/materiały/din-en/65si7.md pt: https://steelequivalents.com/pt/materiais/din-en/65si7.md ru: https://steelequivalents.com/ru/материалы/din-en/65si7.md tr: https://steelequivalents.com/tr/malzemeler/din-en/65si7.md zh: https://steelequivalents.com/zh/材料/din-en/65si7.md ja: https://steelequivalents.com/ja/材料/din-en/65si7.md ar: https://steelequivalents.com/ar/المواد/din-en/65si7.md ko: https://steelequivalents.com/ko/재료/din-en/65si7.md pt-br: https://steelequivalents.com/pt-br/materiais/din-en/65si7.md hi: https://steelequivalents.com/hi/सामग्री/din-en/65si7.md content_hash: sha256:ddd12a222a32fea8a31f4e68dd11c7c470abaaa9dea2af4fb6c14a4e9231ab3d 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/65si7 > Canonical URL: https://steelequivalents.com/materials/din-en/65si7 > 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 · 17 designations # 65Si7 65Si7 is a material in the category [Spring steels](/categories/spring-steels "Spring steels"), held under material number 1.5028. We list 16 designations recorded for this grade, in the standards UNS, AISI / SAE, AFNOR, ISO, JIS, GB, GOST, UNI, ČSN, PN and SRPS. Its recorded composition includes C 0.6–0.7%, Si 1.5–1.8%, P 0.035%, S 0.035% and Mn 0.7–1%. Its recorded density is 7.85 g/cm³. - [*Material no.* **1.5028**](/materials/material-no/1.5028 "Material no.: 1.5028") - [*Category* **Spring steels · 52 grades**](/categories/spring-steels "Category: Spring steels · 52 grades") - *Designations* **17** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=2d62744d-9372-4f0f-8b87-9acf9278e530&designation=66adede8-ebf6-4ff4-bdcc-130fbf096b87 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/65si7.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [UNS G92600 This grade’s own name · 3 grades on that route](/materials/uns/g92600 "UNS G92600") - [AISI / SAE 9260 This grade’s own name · 7 grades on that route](/materials/aisi-sae/9260 "AISI / SAE 9260") ## About Spring steels Spring steels are alloy steels designed to store and release elastic energy repeatedly without permanent deformation. They are characterised by a combination of strength, hardness and resilience, making them suitable for springs, clips, washers and other components subjected to repeated flexing or shock. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 17 designations · 12 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 - **65Si7 This grade’s own name** UNS United States · 2 - [G92600 This grade’s own name](/materials/uns/g92600 "UNS G92600") - [H92600 This grade’s own name](/materials/uns/h92600 "UNS H92600") AISI / SAE United States · 2 - [9260 This grade’s own name](/materials/aisi-sae/9260 "AISI / SAE 9260") - [9260H This grade’s own name](/materials/aisi-sae/9260h "AISI / SAE 9260H") AFNOR France · 1 - [61SC7 Indicative](/materials/afnor/61sc7 "AFNOR 61SC7") ISO International · 1 - [59Si7 Indicative](/materials/iso/59si7 "ISO 59Si7") JIS Japan · 2 - [SUP6 Indicative](/materials/jis/sup6 "JIS SUP6") - [SUP7 Indicative](/materials/jis/sup7 "JIS SUP7") GB China · 2 - [60Si2Mn Indicative](/materials/gb/60si2mn "GB 60Si2Mn") - [60Si2MnA Indicative](/materials/gb/60si2mna "GB 60Si2MnA") GOST Russia / CIS · 1 - [60S2A Indicative](/materials/gost/60s2a "GOST 60S2A") UNI Italy · 1 - [60Si7 Indicative](/materials/din-en/60si7 "UNI 60Si7") ČSN Czechia · 1 - [13270 Indicative](/materials/csn/13270 "ČSN 13270") PN Poland · 2 - [60S2 Indicative](/materials/gost/60s2 "PN 60S2") - [60S2A Indicative](/materials/gost/60s2a "PN 60S2A") SRPS Serbia · 1 - [Č.2332 Indicative](/materials/srps/c-2332 "SRPS Č.2332") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 5 elements on file · weight % What this alloy is Fe Si Mn C Iron — the balance, never listed by a standard — 96.8 % Si — 1.7 % Mn — 0.9 % C — 0.6 % Traces & impurities · 0.1 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.6–0.7 | | Si | 1.5–1.8 | | Mn | 0.7–1 | | P | 0.035 | | S | 0.035 | Carbon Silicon Manganese Phosphorus Sulfur 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 | 0,60-0,70 | 0.600 | 0.700 | Range | | Si | 1,50-1,80 | 1.500 | 1.800 | Range | | P | 0,035 | 0.035 | 0.035 | Exact | | S | 0,035 | 0.035 | 0.035 | Exact | | Mn | 0,70-1,00 | 0.700 | 1.000 | 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, Cr, 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 1.5, a shared category, and a published range for Si / Mn 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. [60Si7 1.5027 Si 1,50-1,80 · Mn 0,70-1,00 - ΔSi 0.00 - ΔMn 0.00 - 18 designations](/materials/din-en/60si7 "60Si7")[71Si7 1.5029 Si 1,50-1,80 · Mn 0,60-0,80 - ΔSi 0.00 - ΔMn 0.15 - 1 designations](/materials/din-en/71si7 "71Si7")[38Si7 1.5023 Si 1,50-1,80 · Mn 0,50-0,80 - ΔSi 0.00 - ΔMn 0.20 - 7 designations](/materials/din-en/38si7 "38Si7")[46Si7 1.5024 Si 1,50-1,80 · Mn 0,50-0,80 - ΔSi 0.00 - ΔMn 0.20 - 11 designations](/materials/din-en/46si7 "46Si7")[51Si7 1.5025 Si 1,50-1,80 · Mn 0,50-0,80 - ΔSi 0.00 - ΔMn 0.20 - 9 designations](/materials/din-en/51si7 "51Si7")[56Si7 1.5026 Si 1,60-2,00 · Mn 0,60-0,90 - ΔSi 0.15 - ΔMn 0.10 - 43 designations](/materials/din-en/56si7 "56Si7") ## 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=2d62744d-9372-4f0f-8b87-9acf9278e530&designation=66adede8-ebf6-4ff4-bdcc-130fbf096b87 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/65si7.pdf "Datasheet as PDF")