20 yillik professional apparat ishlab chiqaruvchisi - JM Hardware
ASTM A449
2021-10-20
Bolt uchun standart | Baho | Bolt hajmi | Kuchlanish kuchi | Chidamlilik kuchi | Enlogatsiya | Qattiqlik | Boshni belgilash | |
ichida | ksi | ksi | % | Brinell | Rokvell C | |||
A449 | 1-tur | 1/4 dan 1 gacha | 120 daqiqa | 92 daqiqa | 14 | 255-321 | 25-34 |
|
1 dan 1-1/2 gacha | 105 daqiqa | 81 daqiqa | 14 | 223-285 | 19-30 | |||
1-1/2 dan 3 gacha | 90 daqiqa | 58 daqiqa | 14 | 183-235 | / | |||
2-tur | 1/4 dan 1 gacha | 120 daqiqa | 92 daqiqa | 14 | 255-321 | 25-34 |
| |
1 dan 1-1/2 gacha | 105 daqiqa | 81 daqiqa | 14 | 223-285 | 19-30 | |||
1-1/2 dan 3 gacha | 90 daqiqa | 58 daqiqa | 14 | 183-235 | / | |||
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