ASTM A302/A302M-17 (2022) PDF
ASTM A302 yog dab tsi?
Qhov kev qhia tshwj xeeb no suav nrog manganese-molybdenum thiab manganese-molybdenum-nickel alloy steel daim hlau npaj tshwj xeeb rau cov welded boilers thiab lwm cov hlab ntsha siab.
ASTM A302 Tshuaj muaj pes tsawg leeg:
| ASTM A302 Tshuaj muaj pes tsawg leeg | |||||||
|---|---|---|---|---|---|---|---|
| Qib Steel | Cov ntsiab lus Max (%) | ||||||
| C | Si | Mn | P | S | Mo | Ni | |
| A302 Qib A | 0.20-0.25 | 0.13–0.45 | 0.87–1.41 | 0,035 | 0,035 | 0.41–0.64 | |
| A302 Qib B | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | |
| A302 Qib C | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.37-0.73 |
| A302 Qib D | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.67-1.03 |
ASTM A302 Cov Khoom Siv Hluav Taws Xob:
| Qib Steel | ASTM A302 Mechanical Property | |||
|---|---|---|---|---|
| Thickness | Yield | Tensile | Elongation | |
| A302 Qib A | mm | Min Mpa | Mpa | Tsawg% |
| 6-50 | 310 | 515-655 | 19% | |
| 50-200 | 310 | 515-655 | 15% | |
| A302 Qib B | 6-50 | 345mpa ua | 550-690 Mpa | 18% |
| 50-200 | 345mpa ua | 550-690 Mpa | 15% | |
| A302 Qib C | 6-50 | 50 [345] | 80-100kis [550-690]Mpa | 17% |
| 50-200 | 20% | |||
ASTM A302 Cov khoom sib npaug yog dab tsi?
ASTM A302 Sib npaug steel qib:
| Qib Steel | Teb chaws Europe | Lub teb chaws Yelemees | Fabkis | Ltalis | U.K. |
|---|---|---|---|---|---|
| ASTM A302 Gr. A, B | 14 Ib. 45 | 13 Hwv 44 | 15 CD 4.05 Nws | 14 Hwv 46 | 620 Ib., 27, 31 |
ASTM A302 Alloy Steel vs EN 1.4310 Stainless hlau
Ob leeg ASTM A302 alloy steel thiab EN 1.4310 stainless hlau yog hlau alloys. Muaj 31 cov khoom siv nrog cov txiaj ntsig rau ob qho khoom siv.
ASTM A302 Alloy Steel, Qib B
Alloy Steel, Qib B, Mn-Mo-Ni alloy steel phaj rau boilers thiab lwm cov hlab ntsha siab.
