Cov cuab yeej hlau yog cov hlau zoo tsim nrog kev tswj cov tshuaj muaj pes tsawg leeg los tsim cov khoom tseem ceeb rau kev ua haujlwm thiab kev ua haujlwm ntawm lwm cov ntaub ntawv. Lawv ib txwm xa mus rau cov neeg muag khoom nyob rau hauv cov mos mos annealed mob, uas ua rau nws yooj yim rau cov chaw tsim tshuaj paus tshuab cov khoom nrog tej cuab yeej rau txawv daim ntaub ntawv.AISI T8 cuab tam steel yog ib tug tungsten-cobalt-vanadium high-ceev cuab yeej steel. Cov ntaub ntawv hauv qab no yuav muab cov ntsiab lus ntawm qib T8 cov cuab yeej steel.
Cov tshuaj muaj pes tsawg leeg ntawm T8 cov cuab yeej steel yog teev nyob rau hauv cov lus hauv qab no.
Element | Cov ntsiab lus (%) |
---|---|
Tungsten, W | 13.25-14.75 |
Cobalt, Co | 4.25-5.75 |
Chromium, Cr | 3.75-4.5 |
Vanadium, V | 1.80-2.40 |
Carbon, C | 0.75-0.85 |
Molybdenum, Mo | 0.4-1 |
Nickel, Nia | 0.3 |
tooj, Cu | 0.25 |
Manganese, Mn | 0.2-0.4 |
Silicon, Sib | 0.2-0.4 |
Phosphorus, P | 0.03 |
Sulfur, S | 0.03 |
Cov lus hauv qab no qhia txog lub cev lub cev ntawm T8 cov cuab yeej steel.
Cov khoom | Metric | Imperial |
---|---|---|
Qhov ntom | 8.43g 3 | 0.267 lb/in3 |
Cov cuab yeej cuab tam ntawm T8 cov cuab yeej steel yog pom nyob rau hauv cov lus hauv qab no.
Cov khoom | Metric | Imperial |
---|---|---|
Tensile zog | 1158 MPa ua | 167.95 kWs |
Elongation | 15% | 15% |
Modulus ntawm elasticity | 190-210 GPa | 27557-30457 ksg |
Poisson tus piv | 0.27-0.3 | 0.27-0.3 |
Cov khoom siv thermal ntawm T8 cov cuab yeej hlau tau muab rau hauv cov lus hauv qab no
Cov khoom | Metric | Imperial |
---|---|---|
Thermal expansion co-efficient | 16-17 µm/m°C | 8.8-9.4 µin/in° F |
Thermal conductivity | 16 W/mK | 110 BTU.in/hrft².°F |
Yam khoom | Cov khoom | Dimension | Cov txheej txheem | Xa xwm txheej |
---|---|---|---|---|
Daim phiaj / Cov ntawv | Daim phiaj / Cov ntawv | 0.08-200mm (T) * W * L | Forging, kub dov thiab txias dov | Annealed, Kev daws thiab Kev laus, Q + T, ACID-WASHED, Txhaj Tshuaj Txhaum Cai |
Hlau Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm * L | Forging, kub dov thiab txias dov, Cast | Dub, ntxhib tig, txhaj tshuaj blasting, |
Coil / Sawb | Steel Chev / Steel Strip | 0.03-16.0x1200 hli | Cold-Rolled & Kub-Rolled | Annealed, Kev daws thiab Kev laus, Q + T, ACID-WASHED, Txhaj Tshuaj Txhaum Cai |
Cov kav dej / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD: 6-219mm x WT: 0.5-20.0mm | Kub extrusion, Txias Kos, Welded | Annealed, Solution thiab Aging, Q + T, ACID-WASHED |
Qib | Txuj | Lub teb chaws | Daim ntawv thov |
---|---|---|---|
T8 | ASTM | Teb chaws USA | High-Speed Tool Steel |