--- title: "KS steel grades — 823 designations — Page 12" description: "Steel grades designated under KS, with chemical composition, mechanical properties and equivalents in other standards. 823 designations across 764…" canonical: https://steelequivalents.com/materials/ks/page/12 language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/ks/page/12.md cs: https://steelequivalents.com/cs/materiály/ks.md de: https://steelequivalents.com/de/werkstoffe/ks.md es: https://steelequivalents.com/es/materiales/ks.md fr: https://steelequivalents.com/fr/matériaux/ks.md hu: https://steelequivalents.com/hu/anyagok/ks.md it: https://steelequivalents.com/it/materiali/ks.md nl: https://steelequivalents.com/nl/materialen/ks.md pl: https://steelequivalents.com/pl/materiały/ks.md pt: https://steelequivalents.com/pt/materiais/ks.md ru: https://steelequivalents.com/ru/материалы/ks.md tr: https://steelequivalents.com/tr/malzemeler/ks.md zh: https://steelequivalents.com/zh/材料/ks.md ja: https://steelequivalents.com/ja/材料/ks.md ar: https://steelequivalents.com/ar/المواد/ks.md ko: https://steelequivalents.com/ko/재료/ks.md pt-br: https://steelequivalents.com/pt-br/materiais/ks.md hi: https://steelequivalents.com/hi/सामग्री/ks.md content_hash: sha256:28b722fa015564dba0fb945147d82d8b99d7b8634f85187f959e58fa74437554 generated: 2026-09-23 --- > **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/ks/page/12 > Canonical URL: https://steelequivalents.com/materials/ks/page/12 > 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. KS · 823 grades # KS steel grades — 823 designations — Page 12 Every grade designated under KS, with the identifying and comparative data we hold for each. Open a grade for its full composition, properties and its designations in other standards. Unless marked, every name here is an asserted identity — the same grade under this standard’s own designation. 6 of 50 rows differ and carry an “Indicative” mark. ## Also known as 823 designations | Grade | Category | C% by weight | |---|---|---| | [STS304TB](/materials/ks/sts304tb "STS304TB") | Stainless steels | ≤ 0.08 | | [STS304TBS](/materials/ks/sts304tbs "STS304TBS") | Stainless steels | ≤ 0.08 | | [STS305](/materials/ks/sts305 "STS305") | Stainless steels | ≤ 0.12 | | [STS305J1](/materials/ks/sts305j1 "STS305J1") | Stainless steels | ≤ 0.08 | | [STS309S](/materials/ks/sts309s "STS309S") | Stainless steels | ≤ 0.08 | | [STS309S](/materials/ks/sts309s "STS309S") Indicative | Heat resistant steels | ≤ 0.15 | | [STS309STB](/materials/ks/sts309stb "STS309STB") | Stainless steels | ≤ 0.08 | | [STS309TB](/materials/ks/sts309tb "STS309TB") | Stainless steels | ≤ 0.15 | | [STS31](/materials/ks/sts31 "STS31") | — | 0.95–1.05 | | [STS31](/materials/ks/sts31 "STS31") Indicative | Tool steels for cold work | 1–1.1 | | [STS310S](/materials/ks/sts310s "STS310S") | Stainless steels | ≤ 0.08 | | [STS310S](/materials/ks/sts310s "STS310S") Indicative | Heat resistant steels | ≤ 0.1 | | [STS310SFB](/materials/ks/sts310sfb "STS310SFB") | — | ≤ 0.08 | | [STS310STB](/materials/ks/sts310stb "STS310STB") | Stainless steels | ≤ 0.08 | | [STS310TB](/materials/ks/sts310tb "STS310TB") | Stainless steels | ≤ 0.15 | | [STS316](/materials/ks/sts316 "STS316") | Stainless steels | ≤ 0.08 | | [STS316CA](/materials/ks/sts316ca "STS316CA") | Stainless steels | ≤ 0.08 | | [STS316F](/materials/ks/sts316f "STS316F") | Stainless steels | ≤ 0.08 | | [STS316FB](/materials/ks/sts316fb "STS316FB") | — | ≤ 0.08 | | [STS316HFB](/materials/ks/sts316hfb "STS316HFB") | — | 0.04–0.1 | | [STS316HTB](/materials/ks/sts316htb "STS316HTB") | Stainless steels | 0.04–0.1 | | [STS316J1](/materials/ks/sts316j1 "STS316J1") | Stainless steels | ≤ 0.08 | | [STS316J1L](/materials/ks/sts316j1l "STS316J1L") | Stainless steels | ≤ 0.03 | | [STS316L](/materials/ks/sts316l "STS316L") | Stainless steels | ≤ 0.03 | | [STS316L](/materials/ks/sts316l "STS316L") Indicative | Stainless steels | ≤ 0.03 | | [STS316LCA](/materials/ks/sts316lca "STS316LCA") | Stainless steels | ≤ 0.03 | | [STS316LFB](/materials/ks/sts316lfb "STS316LFB") | — | ≤ 0.03 | | [STS316LN](/materials/ks/sts316ln "STS316LN") | Stainless steels | ≤ 0.03 | | [STS316LTB](/materials/ks/sts316ltb "STS316LTB") | Stainless steels | ≤ 0.03 | | [STS316LTBS](/materials/ks/sts316ltbs "STS316LTBS") | Stainless steels | ≤ 0.03 | | [STS316N](/materials/ks/sts316n "STS316N") | Stainless steels | ≤ 0.08 | | [STS316TB](/materials/ks/sts316tb "STS316TB") | Stainless steels | ≤ 0.08 | | [STS316TBS](/materials/ks/sts316tbs "STS316TBS") | Stainless steels | ≤ 0.08 | | [STS316Ti](/materials/ks/sts316ti "STS316Ti") | Stainless steels | — | | [STS317](/materials/ks/sts317 "STS317") | Stainless steels | ≤ 0.08 | | [STS317J1](/materials/ks/sts317j1 "STS317J1") | Stainless steels | ≤ 0.04 | | [STS317L](/materials/ks/sts317l "STS317L") | Stainless steels | ≤ 0.03 | | [STS317LFB](/materials/ks/sts317lfb "STS317LFB") | — | ≤ 0.03 | | [STS317LN](/materials/ks/sts317ln "STS317LN") | Stainless steels | ≤ 0.03 | | [STS317LTB](/materials/ks/sts317ltb "STS317LTB") | Stainless steels | ≤ 0.03 | | [STS317TB](/materials/ks/sts317tb "STS317TB") | Stainless steels | ≤ 0.08 | | [STS321](/materials/ks/sts321 "STS321") | Stainless steels | — | | [STS321](/materials/ks/sts321 "STS321") Indicative | Stainless steels | ≤ 0.08 | | [STS321HTB](/materials/ks/sts321htb "STS321HTB") | Stainless steels | — | | [STS321TB](/materials/ks/sts321tb "STS321TB") | Stainless steels | ≤ 0.08 | | [STS321TKA](/materials/ks/sts321tka "STS321TKA") Indicative | Stainless steels | ≤ 0.08 | | [STS329J1](/materials/ks/sts329j1 "STS329J1") | Stainless steels | ≤ 0.08 | | [STS329J1FB](/materials/ks/sts329j1fb "STS329J1FB") | — | ≤ 0.08 | | [STS329J1TB](/materials/ks/sts329j1tb "STS329J1TB") | Stainless steels | ≤ 0.08 | | [STS329J2L](/materials/ks/sts329j2l "STS329J2L") | — | ≤ 0.03 | **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. [Previous](/materials/ks/page/11 "Previous") Page 12 of 17[Next](/materials/ks/page/13 "Next")