--- title: "DR 660 — Others" description: "DR 660: 3 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/din-en/dr-660 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/din-en/dr-660.md cs: https://steelequivalents.com/cs/materiály/din-en/dr-660.md de: https://steelequivalents.com/de/werkstoffe/din-en/dr-660.md es: https://steelequivalents.com/es/materiales/din-en/dr-660.md fr: https://steelequivalents.com/fr/matériaux/din-en/dr-660.md hu: https://steelequivalents.com/hu/anyagok/din-en/dr-660.md it: https://steelequivalents.com/it/materiali/din-en/dr-660.md nl: https://steelequivalents.com/nl/materialen/din-en/dr-660.md pl: https://steelequivalents.com/pl/materiały/din-en/dr-660.md pt: https://steelequivalents.com/pt/materiais/din-en/dr-660.md ru: https://steelequivalents.com/ru/материалы/din-en/dr-660.md tr: https://steelequivalents.com/tr/malzemeler/din-en/dr-660.md zh: https://steelequivalents.com/zh/材料/din-en/dr-660.md ja: https://steelequivalents.com/ja/材料/din-en/dr-660.md ar: https://steelequivalents.com/ar/المواد/din-en/dr-660.md ko: https://steelequivalents.com/ko/재료/din-en/dr-660.md pt-br: https://steelequivalents.com/pt-br/materiais/din-en/dr-660.md hi: https://steelequivalents.com/hi/सामग्री/din-en/dr-660.md content_hash: sha256:3571b45d56452f95dd71931b918ae576f8529739b8f37d4df2b55fc81ce8b5c0 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/din-en/dr-660 > Canonical URL: https://steelequivalents.com/materials/din-en/dr-660 > 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 · 3 designations # DR 660 DR 660 is a material in the category Others, held under material number 1.0376. Its recorded density is 7.85 g/cm³. We list 2 designations recorded for this grade, in the standards DIN / EN. No chemical composition is recorded for this material. - [*Material no.* **1.0376**](/materials/material-no/1.0376 "Material no.: 1.0376") - [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades") - *Designations* **3** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=8b4f307a-e098-4cd3-ba44-fb0881f17fc7&designation=950eb766-b0f3-49ee-91c7-130239cdb6e3 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/dr-660.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [DIN / EN T 660 This grade’s own name](/materials/din-en/t-660 "DIN / EN T 660") ## About Others These are miscellaneous metallic alloys that do not fit a more specific material family and may be based on iron, nickel, cobalt, copper or other alloy systems. They are selected for applications requiring particular combinations of strength, hardness, toughness, wear resistance or resistance to demanding service conditions. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 3 designations · 1 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 · 3 - **DR 660 This grade’s own name** - [T 660 This grade’s own name](/materials/din-en/t-660 "DIN / EN T 660") - [TH 660 This grade’s own name](/materials/din-en/th-660 "DIN / EN TH 660") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Predicted transformation temperatures Not enough recorded composition to predict a transformation temperature for this grade — missing: C, Mn, Si, 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. ## 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=8b4f307a-e098-4cd3-ba44-fb0881f17fc7&designation=950eb766-b0f3-49ee-91c7-130239cdb6e3 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/dr-660.pdf "Datasheet as PDF")