GCr18Mo
GCr18Mo is a grade designated under GB. Its recorded composition includes C 0.95–1.05%, Si 0.2–0.4%, Cr 1.65–1.95%, Mn 0.25–0.4% and Ni ≤ 0.25%. No cross-standard equivalents are recorded for this grade yet.
- Designations 1
Chemical composition
9 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 |
|---|---|
0.95–1.05 | |
0.2–0.4 | |
0.25–0.4 | |
≤ 0.025 | |
≤ 0.02 | |
1.65–1.95 | |
0.15–0.25 | |
≤ 0.25 | |
≤ 0.25 |
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 | 0.95-1.05 | 0.950 | 1.050 | Range |
| Si | 0.2-0.4 | 0.200 | 0.400 | Range |
| P | ≤0.025 | — | 0.025 | Max |
| S | ≤0.02 | — | 0.020 | Max |
| Cr | 1.65-1.95 | 1.650 | 1.950 | Range |
| Mn | 0.25-0.4 | 0.250 | 0.400 | Range |
| Ni | ≤0.25 | — | 0.250 | Max |
| Cu | ≤0.25 | — | 0.250 | Max |
| Mo | 0.15-0.25 | 0.150 | 0.250 | 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
This grade's composition falls outside the published model's validated range (a low-alloy composition window), so no transformation temperature is predicted here.
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.
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