---
title: "SS400 — 5 equivalent grades, compared"
description: "The designation SS400 is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means."
canonical: https://steelequivalents.com/materials/jis/ss400
language: en
robots: index, follow
og_type: website
type: material-detail
language_alternates:
  en: https://steelequivalents.com/materials/jis/ss400.md
  cs: https://steelequivalents.com/cs/materiály/jis/ss400.md
  de: https://steelequivalents.com/de/werkstoffe/jis/ss400.md
  es: https://steelequivalents.com/es/materiales/jis/ss400.md
  fr: https://steelequivalents.com/fr/matériaux/jis/ss400.md
  hu: https://steelequivalents.com/hu/anyagok/jis/ss400.md
  it: https://steelequivalents.com/it/materiali/jis/ss400.md
  nl: https://steelequivalents.com/nl/materialen/jis/ss400.md
  pl: https://steelequivalents.com/pl/materiały/jis/ss400.md
  pt: https://steelequivalents.com/pt/materiais/jis/ss400.md
  ru: https://steelequivalents.com/ru/материалы/jis/ss400.md
  tr: https://steelequivalents.com/tr/malzemeler/jis/ss400.md
  zh: https://steelequivalents.com/zh/材料/jis/ss400.md
  ja: https://steelequivalents.com/ja/材料/jis/ss400.md
  ar: https://steelequivalents.com/ar/المواد/jis/ss400.md
  ko: https://steelequivalents.com/ko/재료/jis/ss400.md
  pt-br: https://steelequivalents.com/pt-br/materiais/jis/ss400.md
  hi: https://steelequivalents.com/hi/सामग्री/jis/ss400.md
content_hash: sha256:4ecaba11b60154c0b27d818482468ef5b4ab5f35ad3dcc43d38aa6fb583ee31c
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/jis/ss400
> Canonical URL: https://steelequivalents.com/materials/jis/ss400
> 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.

JIS · Japan · 5 grades

# SS400

The designation SS400 is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **5**
- [*Category* **Unalloyed structural steels · 452 grades**](/categories/unalloyed-structural-steels "Category: Unalloyed structural steels · 452 grades")

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

## Which of the 5 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 | P% | S% | C% | N% | Mn% |
|---|---|---|---|---|---|---|---|---|
| [S235JR](/materials/din-en/s235jr "S235JR") | [1.0036](/materials/material-no/1.0036 "1.0036") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 99 | 0,045 | 0,045 | ≤0,17 | 0,007 | ≤1,40 |
| [S235JRG1+CR](/materials/din-en/s235jrg1-cr "S235JRG1+CR") | [1.0036](/materials/material-no/1.0036 "1.0036") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 93 | 0,04 | 0,035 | ≤0,17 | 0,007 | — |
| [1.0038](/materials/material-no/1.0038 "1.0038") | [1.0038](/materials/material-no/1.0038 "1.0038") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 152 | 0,035 | 0,035 | ≤0,17 | 0,012 | ≤1,40 |
| [Fe430B](/materials/iso/fe430b "Fe430B") | [1.0044](/materials/material-no/1.0044 "1.0044") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 130 | 0,035 | 0,035 | ≤0,21 | 0,012 | ≤1,50 |
| **SS400** | — | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 2 | max 0.05 | max 0.05 | — | — | — |

## 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")
