316 zanglamaydigan po'latdan yasalgan dumaloq bar
Jan 26, 2026
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🧪 Kimyoviy tarkibi
Kimyoviy tarkibi:
| Element | Min % | Maks % | Odatda % | ASTM A276 talabi |
|---|---|---|---|---|
| Uglerod (C) | - | 0.080 | 0.035 | 0,08 dan kam yoki unga teng |
| Xrom (Cr) | 16.0 | 18.0 | 17.2 | 16.0-18.0 |
| Nikel (Ni) | 10.0 | 14.0 | 12.0 | 10.0-14.0 |
| Molibden (Mo) | 2.0 | 3.0 | 2.3 | 2.0-3.0 |
| Marganets (Mn) | - | 2.00 | 1.35 | 2.00 dan kam yoki unga teng |
| Kremniy (Si) | - | 0.75 | 0.38 | 0,75 dan kam yoki unga teng |
| Fosfor (P) | - | 0.045 | 0.025 | 0,045 dan kam yoki unga teng |
| Oltingugurt (S) | - | 0.030 | 0.012 | 0,030 dan kam yoki unga teng |
| Azot (N) | - | 0.10 | 0.05 | 0,10 dan kam yoki unga teng |
| Temir (Fe) | Balans | Balans | 66.1 | Balans |
⚙️ Mexanik xususiyatlari
Mexanik xususiyatlari:
| Mulk | ASTM talabi | Oddiy qiymat | Sinov usuli | Harorat |
|---|---|---|---|---|
| Mustahkamlik chegarasi | 515 MPa min | 620 MPa | ASTM A370 | Xona harorati |
| Hosildorlik (0,2%) | 205 MPa min | 310 MPa | ASTM A370 | Xona harorati |
| Cho'zilish | 30% min | 40% | ASTM A370 | Xona harorati |
| Qattiqlik (Brinell) | 217 HB maksimal | 185 HB | ASTM E10 | Xona harorati |
| Qattiqlik (Rokvell B) | 95 HRB maksimal | 88 HRB | ASTM E18 | Xona harorati |
| Elastiklik moduli | - | 200 GPa | ASTM E111 | Xona harorati |
| Ta'sir energiyasi (Charpy V) | - | 325+ J | ASTM E23 | Xona harorati |
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