K hom tooj liab raj yog ib hom hollow raj, nws specification hom yog K. K hom tooj liab raj muaj zoo thermal conductivity thiab corrosion kuj, dav siv nyob rau hauv tub yees, cua txias, HVAC, thiab lwm yam. Lub puab txoj kab uas hla thiab phab ntsa thickness K hom. tooj liab raj tuaj yeem kho raws li cov kev xav tau tshwj xeeb kom tau raws li cov kev xav tau ntawm cov haujlwm sib txawv.
L hom tooj liab raj yog ib hom hollow raj, thiab nws specification yog L. L hom tooj liab raj muaj zoo heev thermal conductivity thiab toughness, thiab yog haum rau tub yees, HVAC, kav dej, thiab lwm yam. Qhov loj thiab phab ntsa thickness ntawm L hom tooj liab raj. muaj ntau haiv neeg, thiab koj tuaj yeem xaiv txoj cai specification raws li cov kev xav tau tshwj xeeb.
Txawm koj xav taucov kav dej tooj liab, tooj liab rods ,tooj liab daim hlau, peb muaj cov khoom thiab kev txawj ntse kom tau raws li koj xav tau.
