Cov txheej txheem steel qib S275JR yog dab tsi?
S275JR hlauyog ib qho weldable, qis -carbon manganese steel nrog kev cuam tshuam zoo. Cov khoom no feem ntau yog muab rau hauv cov khoom tsis kho lossis tsis zoo. Nws cov khoom ua haujlwm zoo ib yam li qis - carbon steel.
Dab tsi yog qib sib npaug ntawm S235JR steel yeeb nkab?
Cov qib sib npaug tshaj plaws ntawmS235JR steel yeeb nkabASTM A283 C thiab ASTM A36. Lwm cov qib sib npaug suav nrog DIN ST37-2, JIS SS400, thiab GB / T Q235B.
Puas yog S275JR kub- dov steel?
Yog lawm,S275JR hlauyog tsim los siv kub- dov txheej txheem, yog li nws feem ntau hu ua S275JR kub- dov steel.
Dab tsi yog cov ntawv thov ntawm S275 steel?
S275 hlauyog dav siv nyob rau hauv ntau yam structural daim ntaub ntawv nyob rau hauv kev tsim kho thiab dav engineering teb, xws li lub tsev, txuas hniav, thiab kis tau tus yees. Nws daim ntawv thov txuas mus rau cov cuab yeej hnyav xws li excavators thiab cov tsheb thauj khoom pov tseg, nrog rau cov khoom siv rau kev lag luam tsheb thiab roj thiab roj.
JR sawv rau dab tsi hauv S275JR steel?
J qhia qhov ntsuas lub zog ntawm 27 joules. Nws ua raws li R (qhia qhov ntsuas kub hauv chav) lossis tus lej qhia qhov ntsuas kub. Yog li, JR sawv cev rau chav tsev kub (ntxiv rau 20 degrees), J0 sawv cev rau 0 degrees, thiab J2 sawv cev -20 degrees.
