Irin alagbara, irin awọn irin 309310 jẹ mejeeji awọn akojọpọ irin autanitic mejeeji, ṣugbọn wọn ni diẹ ninu awọn iyatọ ninu akojọpọ wọn ati awọn ohun elo ti o pinnu giga ti o dara ati pe o le mu awọn iwọn otutu to ni ayika 1000 ° F). O nigbagbogbo lo ninu awọn ẹya inaru, awọn paarọ ooru, ati agbegbe otutu-otutu.310: pese paapaa awọn iwọn otutu to gaju si ni ọdun 1150 ° C (2102 ° F). O dara fun awọn ohun elo ni awọn agbegbe igbona ooru to gaju, gẹgẹ bi awọn ile-iwosan, awọn kilns, ati awọn iwẹ ramolants.
Gbona kemikali
| Onipò | C | Si | Mn | P | S | Cr | Ni |
| 309 | 0.20 | 1.00 | 2.00 | 0.045 | 0.03 | 22.0-24.0 | 12.0-15.0 |
| 309s | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 22.0-24.0 | 12.0-15.0 |
| 3110 | 0.25 | 1.00 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 |
| 3110 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 |
Ohun-ini darí
| Onipò | Pari | Agbara Tensele, Min, mpa | Ikoro imu, min, mpa | Elongation in 2in |
| 309 | Gbona pari / otutu pari | 515 | 205 | 30 |
| 309s | ||||
| 3110 | ||||
| 3110 |
Awọn ohun-ini ti ara
| SS 309 | SS 310 | |
| Oriri | 8,0 g / cm3 | 8,0 g / cm3 |
| Yo ojuami | 1455 ° C (2650 ° F) | 1454 ° C (2650 ° F) |
Ni akopọ, awọn iyatọ akọkọ laarin irin irin alagbara, irin ati 3110 dubulẹ ninu akojọpọ wọn ati resistance otutu. 310 ni chromium ti o ga diẹ ati akoonu nickel ti o ga julọ, ṣiṣe pe o dara julọ ju awọn ibeere otutu ti o ga julọ ti ohun elo rẹ, pẹlu awọn ohun-ini ipa-ọna, ati awọn ohun-ini amọ.
Akoko Post: Kẹjọ-07-2023