Cov hlau tsis muaj hlau yog cov hlau alloy uas muaj kev tiv thaiv corrosion siab piv rau lwm cov hlau vim tias muaj cov chromium ntau. Raws li lawv cov qauv crystalline, lawv tau muab faib ua peb hom xws li ferritic, austenitic, thiab martensitic steels. Lwm pab pawg ntawm stainless hlau yog nag lossis daus-hardened steels. Lawv yog cov sib xyaw ua ke ntawm martensitic thiab austenitic steels.
Qib 440C stainless hlau yog lub siab carbon martensitic stainless hlau. Nws muaj lub zog siab, nruab nrab corrosion kuj, thiab zoo hardness thiab hnav tsis kam. Qib 440C muaj peev xwm ua tau, tom qab kev kho cua sov, lub zog siab tshaj plaws, hardness thiab hnav tsis kam ntawm tag nrho cov hlau tsis muaj hlau. Nws cov ntsiab lus carbon siab heev yog lub luag haujlwm rau cov yam ntxwv no, uas ua rau 440C tshwj xeeb rau cov ntawv thov xws li pob bearings thiab valve qhov chaw.
Cov tshuaj muaj pes tsawg leeg ntawm 440C stainless hlau
Qib 440C | ||
Cov khoom xyaw | Min. | Max. |
Cov pa roj carbon | 0.95 | 1.20 |
Manganese | - | 1.00 |
Silicon | - | 1.00 |
Phosphorus | - | 0.040 |
Sulfur | - | 0.030 |
Chromium | 16.00 | 18.00 |
Molybdenum | - | 0.75 |
Hlau | Tshuav |
Lub cev muaj zog rau qib 440 stainless hlau
Qib | Qhov ceev (kg / m3) | Elastic Modulus (GPa) | Lub ntsiab lus Coefficient ntawm Thermal Expansion (mm/m/C) | Thermal conductivity (W/mK) | Tshwj xeeb kub 0-100C (J/kg.K) |
Hluav taws xob tiv thaiv (nW.m) | |||
0-100C | 0-200C | 0-600C | ntawm 100C | ntawm 500C | |||||
440A/B/C | 7650 | 200 | 10.1 | 10.3 | 11.7 | 24.2 | - | 460 | 600 |
440C Related Specifications
Teb chaws USA | Lub teb chaws Yelemees | Nyiv | Australia |
Tom ntej: ASTM A276-98b 440C SAE 51440C AISI 440C UNS S44004 |
W. Nr 1.4125 X105CrMo17 | JIS G4303 SuS 440C | AS 2837-1986 440C |