1.6349
1.6349 is the material number of the grade also listed as X7NiMo6. It is a material in the category Low-temperature structural steels. We list 1 designations recorded for this grade, in the standards DIN / EN.
- Material no. 1.6349
- Category Low-temperature structural steels · 55 grades
- Designations 1
If you came for one of these
The most-used names for this grade.About Low-temperature structural steels
Low-temperature structural steels are structural steels designed to retain toughness and reliable load-bearing performance in cold service. Their resistance to brittle fracture at low temperatures makes them suitable for structures, pressure-containing equipment and other components exposed to severe cold.
This describes the material class as a whole. Always confirm the individual grade against the standard before ordering.
Also known as
1 designations · 1 standards · nothing hiddenEvery designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here.
Chemical composition
8 elements on file · weight %What this alloy is
Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade.
| Element | % by weight |
|---|---|
≤ 0.1 | |
≤ 0.35 | |
0.6–1.4 | |
0.025 | |
0.02 | |
0.2–0.35 | |
5–6 | |
≤ 0.05 |
The scale is logarithmic, not the element’s raw share of the alloy — the only honest way to fit 0.01 % and 100 % in one picture, and it means every value here can be compared with every other.
| Element | As publishedsource text, verbatim | Min% by weight | Max% by weight | Bound |
|---|---|---|---|---|
| C | ≤0,10 | — | 0.100 | Max |
| Si | ≤0,35 | — | 0.350 | Max |
| P | 0,025 | 0.025 | 0.025 | Exact |
| S | 0,02 | 0.020 | 0.020 | Exact |
| V | ≤0,05 | — | 0.050 | Max |
| Mn | 0,60-1,40 | 0.600 | 1.400 | Range |
| Ni | 5,00-6,00 | 5.000 | 6.000 | Range |
| Mo | 0,20-0,35 | 0.200 | 0.350 | Range |
The published column is the source string byte-for-byte, decimal comma and all; Min and Max are the parsed bounds. Elements not listed have no value on file — they are omitted, never inferred.
Predicted transformation temperatures
Not enough recorded composition to predict a transformation temperature for this grade — missing: Cr.
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.
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.