S275JR yog European tus qauv qis- alloy siab- lub zog steel yeeb nkab, ua raws li tus qauv EN10025-3: 2003. S275JR cov qauv yeeb nkab muaj lub zog siab, zoo toughness, thiab weldability. Vim nws txoj kev ua tau zoo heev, nws tau siv dav hauv kev tsim khoom ntawm ntau yam engineering machinery structural Cheebtsam.
Tshuaj muaj pes tsawg leeg ntawm S275JR steel:
C: Tsawg dua lossis sib npaug rau 0.21
Si: Tsawg dua lossis sib npaug li 0.50
Mn: Tsawg dua lossis sib npaug rau 1.50
S: Tsawg dua lossis sib npaug rau 0.035
P: Tsawg dua lossis sib npaug rau 0.035
Lub cev muaj zog ntawm S275JR Steel
1. Ceev: 7850 kg/m³
2. Thermal Conductivity: Kwv yees . 50 W/(m:K)
3. Elastic Modulus: Kwv yees . 210 GPa
4. Tensile zog: 410-560 MPa
5. Ductility: Ntau dua lossis sib npaug li 20%
Kev sib piv nrog lwm cov ntaub ntawv
Qhov sib txawv tseem ceeb ntawm S275JR thiab cov ntaub ntawv zoo sib xws (xws li S235JR thiab S355JR) nyob hauv lawv cov khoom siv tshuab:
- S235JR muaj lub zog qis dua (235MPa) thiab tus nqi qis dua.
- S355JR muaj zog dua (355MPa), tab sis nws cov weldability yog me ntsis qis dua.
Daim ntawv thov Scenario
S275JR steel kav yog siv dav hauv cov teb hauv qab no:
- Cov qauv hauv tsev: xws li lub Hoobkas thav duab, stair treads, thiab lwm yam.
- Machinery manufacturing: xws li cov khoom siv hauv paus, kev txhawb nqa conveyor, thiab lwm yam.
- Kev thauj mus los: xws li tsheb thauj khoom, cov khoom siv tsheb ciav hlau, thiab lwm yam.
S275JR Hollow Section Hoobkas
