فولاد ۱/۶۵۸۰ عملیات حرارتی وکاربردش
خواص مکانیک فولاد 1.6580
| Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 | 250 - 330 | 330 - 660 |
| Rm - Tensile strength (MPa) (+QT) | 1250-1450 | 1250-1450 | 1000-1300 | 1000-1200 | 850-1100 | 850 | 800 |
| Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
|
Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT) | 1050 | 1050 | 900 | 800 | 700 |
| Nominal thickness(mm): | to 160 | 160 - 330 | 330 - 660 |
| Re - Upper yield strength (MPa) (+QT) | 700 | 630 | 590 |
| KV - Impact energy (J) longitud., (+QT) | +20° 30-45 |
| KV - Impact energy (J) transverse, (+QT) | +20° 20-27 |
| A - Min. elongation at fracture (%) transverse, (+QT) | 8-14 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products | 9 | 9 | 10 | 11 | 12 |
| Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| Z - Reduction in cross section on fracture (%) (+QT) | 40 | 40 | 45 | 50 | 50 |
| Brinell hardness (HBW): (+A) | 248 - 255 |
+ نوشته شده در جمعه یکم شهریور ۱۳۹۲ ساعت 1:8 توسط علی
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