GB 18248 Seamless Lub tog raj kheej Steel Tube
Khoom siv thiab Specification
GB 18248 Seamless Cylinder Steel Tube yog lub siab - zoo steel raj tsim los rau ntau yam kev lag luam. Nws ua raws li cov lus qhia tshwj xeeb uas tau teev tseg hauv GB 18248, ua kom muaj kev ntseeg siab thiab ua haujlwm tau zoo hauv qhov xav tau ib puag ncig.
Ntsiab nta
Seamless kev tsim kho kom zoo zog thiab kav ntev.
Qhov tseeb qhov tseeb ntawm qhov sib txuam seamless.
High corrosion kuj rau lub neej ua haujlwm ntev.
Weldability zoo heev rau kev yooj yim ntawm fabrication.
Cov khoom siv sib xyaw ua ke rau kev txhim khu kev qha.
Tshuaj muaj pes tsawg leeg
| Element | Kev sib xyaw (%) |
| C (Carbon) | 0.20 max |
| Si (Silicon) | 0.15-0.35 |
| Manganese (Mn) | 0.40-1.20 |
| P (phosphorus) | 0.030 max |
| S (Sulfur) | 0.025 max |
Mechanical Properties
| Khoom | Tus nqi |
| Tensile zog | 610 MPa min |
| Yield zog | 350 MPa min |
| Elongation | 20% min |
| Impact Toughness | 27j mav |
| Hardness | 170-220 HB |
Lub cev muaj zog
| Khoom | Tus nqi |
| Qhov ntom | 7.85 g / cm³ |
| Melting Point | 1420-1460 degree |
| Thermal conductivity | 52.9 W/(m·K) |
| Tshwj xeeb kub | 0.46 J/(g·K) |
Txheej Txheem Kev Ua Haujlwm
| Khoom | Kev ua tau zoo |
| Machineability | Zoo heev |
| Weldability | Siab |
| Formability | Zoo |
| Corrosion Resistance | Zoo heev |
Qib Steel
GB 18248 Seamless Cylinder Steel Tube muaj nyob rau hauv ntau qib steel, suav nrog tab sis tsis txwv rau:
37mn ua
34mn2 wb
30 CrMo
35 CrMo
Daim ntawv thov
GB 18248 Seamless Cylinder Steel Tube pom dav siv hauv kev lag luam xws li:
Automotive kev tsim khoom
Aerospace
Tshuab
Kev tshawb nrhiav roj thiab roj
Hydraulic systems
Cov qhab nia xaiv tau
Thaum GB 18248 Seamless Cylinder Steel Tube muaj kev ua tau zoo tshwj xeeb, lwm qib yuav raug txiav txim siab raws li cov cai tshwj xeeb. Qee qhov kev xaiv tau muaj xws li:
ASTM A519 Qib 4130
TIAB SA 2391 St52
JIS G3429 STH11
Cim npe nrov: gb 18248 seamless lub tog raj kheej steel raj, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized, lag luam wholesale, nqe, OEM, zeb, tsim, kev muag khoom
