223-490
223-490 is a designation in BS for the material held under material number 1.0445, also listed as H300BD. It is a material in the category Higher strength steels. We list 17 designations recorded for this grade, in the standards DIN / EN, UNS, AISI / SAE, BS, AFNOR, ISO, JIS, GOST, UNI, ČSN, PN, STAS and BDS.
- Material no. 1.0445
- Category Higher strength steels · 20 grades
- Category Others · 1754 grades
- Designations 17
If you came for one of these
The most-used names for this grade.About Higher strength steels
Higher strength steels are structural materials designed to carry greater loads than conventional structural steels while retaining useful ductility. They are used for load-bearing structures and components where higher strength can support efficient material use and durable fabricated designs.
This describes the material class as a whole. Always confirm the individual grade against the standard before ordering.
Also known as
17 designations · 13 standards · nothing hidden- 223-490Indicative
Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here.
Predicted transformation temperatures
Not enough recorded composition to predict a transformation temperature for this grade — missing: C, Mn, Si, Ni, Cr, Mo.
Physical & mechanical properties
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.
Properties by condition
3 conditions · 25 valuessplav| Dimensionmm | RmN/mm² | ReN/mm² | A5% | Z% | KCUkJ/m² |
|---|---|---|---|---|---|
| Ø 325 x 30 | 480 | 280 | 28 | 57 | 1000 |
| Ø 325 x 30 | 480 | 260 | 27 | 65 | 1200 |
splav| Delivery state | RmN/mm² | ReN/mm² | A5% | KCUkJ/m² |
|---|---|---|---|---|
| Sheet, GOST 5520-79 | 450 – 490 | 275 – 325 | 21 | 590 |
splav| Temperature°C | Densityg/cm³ | Elastic modulusGPa | Thermal expansion coefficient10^-6/K | Specific heat capacityJ/(kg·K) |
|---|---|---|---|---|
| 20 | 7.85 | — | — | — |
| 100 | — | — | 13 | 470 |
| 200 | — | — | 14 | — |
| 300 | — | 181 | 15.3 | — |
| 400 | — | 172 | 16.2 | — |
| 500 | — | 162 | 16.1 | — |
| 600 | — | — | 16.2 | — |
Every figure holds only for the condition on its own row. Values are never merged across conditions or across sources, never averaged, and never interpolated between two rows. An em dash means no value on file — never zero. Figures are converted to the unit in the column header; the source’s own wording is kept and shown where the two differ.
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.