--- title: "1.8717 — High-strength steels" description: "1.8717 is the material number of the grade also listed as 16MnCrMo4-3. Category: High-strength steels. Designations recorded for this grade: 1." canonical: https://steelequivalents.com/materials/material-no/1.8717 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/material-no/1.8717.md cs: https://steelequivalents.com/cs/materiály/číslo-materiálu/1.8717.md de: https://steelequivalents.com/de/werkstoffe/werkstoff-nr/1.8717.md es: https://steelequivalents.com/es/materiales/número-de-material/1.8717.md fr: https://steelequivalents.com/fr/matériaux/numéro-de-matériau/1.8717.md hu: https://steelequivalents.com/hu/anyagok/anyagszám/1.8717.md it: https://steelequivalents.com/it/materiali/numero-materiale/1.8717.md nl: https://steelequivalents.com/nl/materialen/materiaalnummer/1.8717.md pl: https://steelequivalents.com/pl/materiały/numer-materiału/1.8717.md pt: https://steelequivalents.com/pt/materiais/número-do-material/1.8717.md ru: https://steelequivalents.com/ru/материалы/номер-материала/1.8717.md tr: https://steelequivalents.com/tr/malzemeler/malzeme-numarası/1.8717.md zh: https://steelequivalents.com/zh/材料/材料编号/1.8717.md ja: https://steelequivalents.com/ja/材料/材料番号/1.8717.md ar: https://steelequivalents.com/ar/المواد/رقم-المادة/1.8717.md ko: https://steelequivalents.com/ko/재료/재료번호/1.8717.md pt-br: https://steelequivalents.com/pt-br/materiais/número-do-material/1.8717.md hi: https://steelequivalents.com/hi/सामग्री/सामग्री-संख्या/1.8717.md content_hash: sha256:662d20c1970e3927d820b2c36f3eac4e50aa6e708a1412b2cb8950aa583b3aea 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/material-no/1.8717 > Canonical URL: https://steelequivalents.com/materials/material-no/1.8717 > 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. Material number · Europe · 1 designation # 1.8717 1.8717 is the material number of the grade also listed as 16MnCrMo4-3. It is a material in the category High-strength steels. We list 1 designations recorded for this grade, in the standards DIN / EN. - ***Material no.* **1.8717**** - [*Category* **High-strength steels · 128 grades**](/categories/high-strength-steels "Category: High-strength steels · 128 grades") - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=8f73da85-7756-4914-91ea-738c7e7fade3 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/material-no/1.8717.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [DIN / EN 16MnCrMo4-3 This grade’s own name](/materials/din-en/16mncrmo4-3 "DIN / EN 16MnCrMo4-3") ## About High-strength steels High-strength steels are steels designed to carry high loads while resisting deformation. They are used for load-bearing structures, vehicles and machinery where strength, durability and reduced material weight are important. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 1 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 · 1 - [16MnCrMo4-3 This grade’s own name](/materials/din-en/16mncrmo4-3 "DIN / EN 16MnCrMo4-3") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 10 elements on file · weight % What this alloy is Fe Mn Cr Ni Iron — the balance, never listed by a standard — 97.1 % Mn — 1.1 % Cr — 0.5 % Ni — 0.5 % Traces & impurities · 0.8 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | 0.12–0.21 | | Si | 0.2–0.35 | | Mn | 0.95–1.3 | | P | 0.025 | | S | 0.025 | | Cr | 0.4–0.65 | | Mo | 0.2–0.3 | | Ni | 0.3–0.7 | | V | 0.03–0.08 | | B | ≥ 0.0005 | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Vanadium Boron 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 | |---|---|---|---|---| | B | ≥0,0005 | 0.001 | — | Min | | C | 0,12-0,21 | 0.120 | 0.210 | Range | | Si | 0,20-0,35 | 0.200 | 0.350 | Range | | P | 0,025 | 0.025 | 0.025 | Exact | | S | 0,025 | 0.025 | 0.025 | Exact | | V | 0,03-0,08 | 0.030 | 0.080 | Range | | Cr | 0,40-0,65 | 0.400 | 0.650 | Range | | Mn | 0,95-1,30 | 0.950 | 1.300 | Range | | Ni | 0,30-0,70 | 0.300 | 0.700 | Range | | Mo | 0,20-0,30 | 0.200 | 0.300 | 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 computed from composition · °C Predicted Ae3 801 °C Predicted Ae1 718 °C Predicted Acm 455 °C Predicted Bs 534 °C These four temperatures are a CALCULATION from this grade's own composition, using the published Li, Niebuhr, Meekisho & Atteridge (1998) model — never a measurement, and computed from the UPPER BOUND of each element's specified range, not a mid-range figure. Where this grade also has a measured transformation point (Ac1, Ac3, Ar1, Ar3) on file, it is shown separately, in Physical & mechanical properties, and is never replaced by the predicted figures here — Ae (predicted, equilibrium) and Ac/Ar (measured, on heating or cooling) are different physical quantities and can differ by tens of degrees; a mismatch between the two is not an error in either. ## 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 1.8, a shared category, and a published range for Mn / Cr 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. [S690G4QL 1.8922 Mn 0,95-1,30 · Cr 0,40-0,65 - ΔMn 0.00 - ΔCr 0.00 - 2 designations](/materials/din-en/s690g4ql "S690G4QL")[16MnCr5-3 1.8712 Mn 0,60-1,70 · Cr 0,50-1,00 - ΔMn 0.02 - ΔCr 0.22 - 1 designations](/materials/din-en/16mncr5-3 "16MnCr5-3")[18MnCr5-3 1.8720 Mn 0,60-1,70 · Cr 0,50-1,00 - ΔMn 0.02 - ΔCr 0.22 - 1 designations](/materials/din-en/18mncr5-3 "18MnCr5-3")[17MnCr5-3 1.8715 Mn ≤1,80 · Cr ≤1,00 - ΔMn 0.22 - ΔCr 0.03 - 1 designations](/materials/din-en/17mncr5-3 "17MnCr5-3")[26MnCr6-3 1.8721 Mn ≤1,80 · Cr ≤1,00 - ΔMn 0.22 - ΔCr 0.03 - 1 designations](/materials/din-en/26mncr6-3 "26MnCr6-3")[16MnCrMo3-2 1.8716 Mn 0,70-1,00 · Cr 0,40-0,65 - ΔMn 0.28 - ΔCr 0.00 - 1 designations](/materials/din-en/16mncrmo3-2 "16MnCrMo3-2") ## 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=8f73da85-7756-4914-91ea-738c7e7fade3 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/material-no/1.8717.pdf "Datasheet as PDF")