---
title: "S43020 — 4 equivalent grades, compared"
description: "The designation S43020 is carried by 4 different grades. Compare them on the elements that actually differ, then open the one your print means."
canonical: https://steelequivalents.com/materials/uns/s43020
language: en
robots: index, follow
og_type: website
type: material-detail
language_alternates:
  en: https://steelequivalents.com/materials/uns/s43020.md
  cs: https://steelequivalents.com/cs/materiály/uns/s43020.md
  de: https://steelequivalents.com/de/werkstoffe/uns/s43020.md
  es: https://steelequivalents.com/es/materiales/uns/s43020.md
  fr: https://steelequivalents.com/fr/matériaux/uns/s43020.md
  hu: https://steelequivalents.com/hu/anyagok/uns/s43020.md
  it: https://steelequivalents.com/it/materiali/uns/s43020.md
  nl: https://steelequivalents.com/nl/materialen/uns/s43020.md
  pl: https://steelequivalents.com/pl/materiały/uns/s43020.md
  pt: https://steelequivalents.com/pt/materiais/uns/s43020.md
  ru: https://steelequivalents.com/ru/материалы/uns/s43020.md
  tr: https://steelequivalents.com/tr/malzemeler/uns/s43020.md
  zh: https://steelequivalents.com/zh/材料/uns/s43020.md
  ja: https://steelequivalents.com/ja/材料/uns/s43020.md
  ar: https://steelequivalents.com/ar/المواد/uns/s43020.md
  ko: https://steelequivalents.com/ko/재료/uns/s43020.md
  pt-br: https://steelequivalents.com/pt-br/materiais/uns/s43020.md
  hi: https://steelequivalents.com/hi/सामग्री/uns/s43020.md
content_hash: sha256:c878c62da01b2221c664529c07a2529f2d63d078915f769a7fe0d313215ab646
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/uns/s43020
> Canonical URL: https://steelequivalents.com/materials/uns/s43020
> 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.

UNS · United States · 4 grades

# S43020

The designation S43020 is carried by 4 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **4**
- [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades")
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades")

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")

## Which of the 4 do you want?

This name is carried by several grades. The elements shown are the ones whose values actually differ across the set — the ones that decide the question. Values are the source text verbatim; an em dash means no value on file for that element on that grade, not zero.

| Grade | Material no. | Category | Designations | C% | S% | Si% | Cr% | Mo% |
|---|---|---|---|---|---|---|---|---|
| [X7CrS17](/materials/din-en/x7crs17 "X7CrS17") | [1.4004](/materials/material-no/1.4004 "1.4004") 1.4 | [Others](/categories/others "Others") | 17 | ≤0,09 | ≥0,150 | ≤1,50 | 16,0-18,0 | ≤0,60 |
| [X14CrS17](/materials/din-en/x14crs17 "X14CrS17") | [1.4019](/materials/material-no/1.4019 "1.4019") 1.4 | [Others](/categories/others "Others") | 17 | 0,10-0,17 | ≥0,15 | ≤1,00 | 16,0-18,0 | ≤0,60 |
| [1.4104](/materials/material-no/1.4104 "1.4104") | [1.4104](/materials/material-no/1.4104 "1.4104") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 32 | 0,10-0,17 | 0,15-0,35 | ≤1,00 | 15,5-17,5 | 0,20-0,60 |
| [X4CrMoS18](/materials/din-en/x4crmos18 "X4CrMoS18") | [1.4105](/materials/material-no/1.4105 "1.4105") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 25 | ≤0,08 | 0,15-0,35 | ≤1,50 | 16,0-18,0 | 0,20-0,60 |

## Not sure which one your print means?

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 "Inquiry")