25SiMn2MoV
25SiMn2MoV is a grade designated under GB. Its recorded composition includes C 0.22–0.28%, Si 0.9–1.2%, Cr ≤ 0.3%, Mn 2.2–2.6% and Mo 0.3–0.4%. No cross-standard equivalents are recorded for this grade yet. Recorded mechanical properties include Rm ≥ 1470 N/mm², A ≥ 10% and HB 269.
- Designations 1
Chemical composition
10 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 |
|---|---|
0.22–0.28 | |
0.9–1.2 | |
2.2–2.6 — | |
≤ 0.03 | |
≤ 0.03 | |
≤ 0.3 | |
0.3–0.4 | |
≤ 0.3 | |
0.05–0.12 | |
≤ 0.3 |
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 | 0.22-0.28 | 0.220 | 0.280 | Range |
| Si | 0.9-1.2 | 0.900 | 1.200 | Range |
| P | ≤0.03 | — | 0.030 | Max |
| S | ≤0.03 | — | 0.030 | Max |
| V | 0.05-0.12 | 0.050 | 0.120 | Range |
| Cr | ≤0.3 | — | 0.300 | Max |
| Mn | 2.2-2.6 | 2.200 | 2.600 | Range |
| Ni | ≤0.3 | — | 0.300 | Max |
| Cu | ≤0.3 | — | 0.300 | Max |
| Mo | 0.3-0.4 | 0.300 | 0.400 | 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.
Properties by condition
0 conditions · 0 values4 further values are held for this grade under a condition the source did not name — a bound with no quantity attached. They are withheld rather than shown against a guessed condition.
Heat treatment
Supply condition
- Quenching and TemperingTest specimen
Conditions the standard permits on delivery. No temperature or medium is published for these, so no order and no alternation is implied.
Source: www.caishuku.com
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