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title: "K 21703 — 3 equivalent grades, compared"
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UNS · United States · 3 grades

# K 21703

The designation K 21703 is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **3**
- [*Category* **Low-temperature structural steels · 55 grades**](/categories/low-temperature-structural-steels "Category: Low-temperature structural steels · 55 grades")

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

## Which of the 3 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% | Si% | P% | S% | Mn% | Ni% |
|---|---|---|---|---|---|---|---|---|---|
| [1.5622](/materials/material-no/1.5622 "1.5622") | [1.5622](/materials/material-no/1.5622 "1.5622") 1.5 | [Low-temperature structural steels](/categories/low-temperature-structural-steels "Low-temperature structural steels") | 17 | ≤0,18 | 0,10-0,35 | 0,035 | 0,035 | 0,30-0,60 | 1,30-1,60 |
| [1.5622](/materials/material-no/1.5622 "1.5622") | [1.5622](/materials/material-no/1.5622 "1.5622") 1.5 | [Low-temperature structural steels](/categories/low-temperature-structural-steels "Low-temperature structural steels") | 17 | ≤0,18 | 0,10-0,35 | 0,035 | 0,035 | 0,30-0,60 | 1,30-1,60 |
| [12Ni9](/materials/din-en/12ni9 "12Ni9") | [1.5635](/materials/material-no/1.5635 "1.5635") 1.5 | [Low-temperature structural steels](/categories/low-temperature-structural-steels "Low-temperature structural steels") | 2 | ≤0,15 | 0,15-0,30 | 0,03 | 0,03 | ≤0,70 | 2,10-2,50 |

## 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")