---
title: "18G2A — 7 equivalent grades, compared"
description: "The designation 18G2A is carried by 7 different grades. Compare them on the elements that actually differ, then open the one your print means."
canonical: https://steelequivalents.com/materials/pn/18g2a
language: en
robots: index, follow
og_type: website
type: material-detail
language_alternates:
  en: https://steelequivalents.com/materials/pn/18g2a.md
  cs: https://steelequivalents.com/cs/materiály/pn/18g2a.md
  de: https://steelequivalents.com/de/werkstoffe/pn/18g2a.md
  es: https://steelequivalents.com/es/materiales/pn/18g2a.md
  fr: https://steelequivalents.com/fr/matériaux/pn/18g2a.md
  hu: https://steelequivalents.com/hu/anyagok/pn/18g2a.md
  it: https://steelequivalents.com/it/materiali/pn/18g2a.md
  nl: https://steelequivalents.com/nl/materialen/pn/18g2a.md
  pl: https://steelequivalents.com/pl/materiały/pn/18g2a.md
  pt: https://steelequivalents.com/pt/materiais/pn/18g2a.md
  ru: https://steelequivalents.com/ru/материалы/pn/18g2a.md
  tr: https://steelequivalents.com/tr/malzemeler/pn/18g2a.md
  zh: https://steelequivalents.com/zh/材料/pn/18g2a.md
  ja: https://steelequivalents.com/ja/材料/pn/18g2a.md
  ar: https://steelequivalents.com/ar/المواد/pn/18g2a.md
  ko: https://steelequivalents.com/ko/재료/pn/18g2a.md
  pt-br: https://steelequivalents.com/pt-br/materiais/pn/18g2a.md
  hi: https://steelequivalents.com/hi/सामग्री/pn/18g2a.md
content_hash: sha256:ace111d694dcebb4a0093cf21b0ef6c91bfcfd3c0fed00ca904fe76229ff3713
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/pn/18g2a
> Canonical URL: https://steelequivalents.com/materials/pn/18g2a
> 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.

PN · Poland · 7 grades

# 18G2A

The designation 18G2A is carried by 7 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **7**
- [*Category* **Unalloyed structural steels · 452 grades**](/categories/unalloyed-structural-steels "Category: Unalloyed structural steels · 452 grades")
- [*Category* **Fine-grain structural steels · 50 grades**](/categories/fine-grain-structural-steels "Category: Fine-grain structural steels · 50 grades")

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

## Which of the 7 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 | S% | C% | P% | Si% | Mn% | Cu% |
|---|---|---|---|---|---|---|---|---|---|
| [Fe510B](/materials/uni/fe510b "Fe510B") | [1.0045](/materials/material-no/1.0045 "1.0045") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 32 | 0,035 | ≤0,24 | 0,035 | ≤0,55 | ≤1,60 | ≤0,55 |
| [A633](/materials/din-en/a633 "A633") | [1.0553](/materials/material-no/1.0553 "1.0553") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 30 | 0,03 | ≤0,20 | 0,03 | ≤0,55 | ≤1,60 | ≤0,55 |
| [1.0562](/materials/material-no/1.0562 "1.0562") | [1.0562](/materials/material-no/1.0562 "1.0562") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 74 | 0,015 | ≤0,18 | 0,025 | ≤0,50 | 1,10-1,70 | ≤0,30 |
| [P355NH](/materials/din-en/p355nh "P355NH") | [1.0565](/materials/material-no/1.0565 "1.0565") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 18 | 0,015 | ≤0,18 | 0,025 | ≤0,50 | 1,10-1,70 | ≤0,30 |
| [1.0566](/materials/material-no/1.0566 "1.0566") | [1.0566](/materials/material-no/1.0566 "1.0566") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 29 | 0,015 | ≤0,18 | 0,025 | ≤0,50 | 1,10-1,70 | ≤0,30 |
| [1.0570](/materials/material-no/1.0570 "1.0570") | [1.0570](/materials/material-no/1.0570 "1.0570") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 112 | 0,035 | ≤0,20 | 0,035 | ≤0,55 | ≤1,60 | — |
| [1.0570](/materials/material-no/1.0570 "1.0570") | [1.0570](/materials/material-no/1.0570 "1.0570") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 101 | 0,025 | ≤0,20 | 0,03 | ≤0,55 | ≤1,60 | — |

## 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")