S-7 cuab yeej Steel Billet

Gnee Steel (Tianjin) Co., Ltd. yog ib qho ntawm cov kws tshaj lij s-7 cuab tam steel billet manufacturers thiab lwm tus neeg nyob hauv Suav teb. Txais tos rau kev lag luam wholesale customized s-7 cuab tam steel billet ntawm tus nqi sib tw los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab cov khoom zoo yog muaj.

 

S7 Shock-Resisting Tool Steel yog huab cua lossis roj hardening cuab yeej steel uas yog tus yam ntxwv los ntawm kev cuam tshuam hnyav heev. Kev sib xyaw ua ke ntawm lub zog thiab siab tawv ua rau nws yog tus neeg sib tw rau ntau yam kev siv cuab yeej siv. Nws tuaj yeem siv tau zoo rau ob qho tib si txias thiab kub ua haujlwm. Kuj tseem tsim nyog rau cov cuab yeej ua haujlwm kub qhov chaw ua haujlwm kub tsis tshaj 1000℃F (538 degree). Rau cov yas txhaj tshuaj pwm, S7 cuab yeej hlau yog muaj nyob rau hauv remelted, pwm- khoom zoo. Cov txheej txheem remelting txo tus naj npawb thiab qhov ntau thiab tsawg ntawm cov nonmetallic inclusions hauv cov hlau, thiab yog li txhim kho cov polishability rau cov kab noj hniav tseem ceeb, ntxig, thiab lwm yam khoom siv.

 

Pom zoo rau cov cuab yeej ua haujlwm txias uas xav tau kev tiv thaiv siab thiab kev poob siab, xws li shear blades, swaging dies, gripper dies, chisels, thiab punches.

 

Ceev: 0.283 lb/in3 (7833 kg/m3)
Lub ntiajteb txawj nqus: 7.83
Modulus ntawm Elasticity: 30 x 106 psi (207GPa)
Thermal conductivity: 16.5 BTU/hr-ft-℃F (28.5 W/m/degree K)
Machinability: 70-75% ntawm 1% carbon steel

 

Qhov ntsuas kub tseem ceeb:
Ac1: 1460℃F (793 degree) Ac3: 1540℃F (838 degree)
Ar1: 1390℃F (754 degree) Ar3: 1310℃F (710 degree)
Preheating: Kub ntawm tus nqi tsis tshaj 400℃F ib teev twg (222℃ib teev). Rau cov cuab yeej nyuaj thiab loj, kub rau 1150-1250℃F (621-677 degree) thiab sib npaug. Tom qab ntawd kub rau 1300-1400℃F (704-760 degree) thiab sib npaug. Rau cov geometry yooj yim, tsuas yog siv qhov thib ob preheating kub ntau yam.

Austenitizing (High Kub): Kub maj mam los ntawm preheat. Rauv lossis ntsev: 1725℃F (941 degree). Soak rau 30 feeb rau thawj nti (25.4 hli) ntawm tuab, ntxiv rau 15 feeb rau txhua nti ntxiv (25.4 hli) ntawm tuab.

quenching: Cua, cov pa roj, los yog roj sov rau 150-125℃F (66-51 degree). Lus Cim: Qhov ntau thiab tsawg tshaj 2½ ntiv tes (63.5mm) hauv ntu ntu yuav tsis ua tiav qhov tawv tawv los ntawm cua txias. Nws yog ib qho tsim nyog yuav tsum tau ua kom txias txias ntawm 1400 txog 900℃F (760 txog 482 degree) los ntawm kev siv cov pa roj los yog cov roj quenched. Rau cov roj quench, quench kom txog thaum dub, txog 900℃F (482 degree), ces txias nyob rau hauv tseem huab cua rau 150-125℃F (66-51 degree).

Tempering: Temper tam sim ntawd tom qab quenching. Tuav ntawm qhov kub li 1 teev ib nti (25.4 hli) ntawm thickness, 2 teev yam tsawg kawg nkaus, ces cua txias rau ambient kub. Cov tempering ntau yam rau cov cuab yeej ua haujlwm txias yog 400 txog 500℃F (204 txog 260 degree).

 

 

 

Peb txhawb kev hloov kho ntawm S-7 Tool Steel Billet thiab ntau yam khoom tshwj xeeb steel, yog tias tsim nyog, thov hu rau kuv, lossis tawm koj cov ntaub ntawv tiv tauj.

 

 

Cim npe nrov: Tuam Tshoj s-7 cuab tam steel billet manufacturers, hoobkas