316 316l oo ah tuubada birta ee birta ah ee birta ah 1.4401 \ / 1.4436 tuubbada
ASTM A312 TP316 waa qeexitaan caadi ah oo lagu muujiyo, tolmo-tommod-ka Wellded, oo aad u qabow aad u yar tahay oo ay ku shaqeeyaan tuubooyinka birta ee loo yaqaan 'austenitic' oo loo adeegsaday heerkulka-sare iyo codsiyada adeegga guud ee loo isticmaalo. 316 Tooska Birta Labaad ee Birta Labaad ayaa laga sameeyay isku darka koromomiyada, nikkel, iyo molybdenum, kaas oo siiya SS 316 tuubbooyin aan kala go 'lahayn oo heer sare ah iyo miridhku.
Nooca 304 birta aan la taaban karin waa darajo auratenitic ah oo si xoogan loo soo qaadan karo. Astaamahani wuxuu horseeday in 304 uu yahay darajada koowaad ee loo adeegsado codsiyada sida saxanka iyo jawiga.
904l oo bir bir aan sal lahayn Waxyaabaha lagu daray molybdem ee ku jira steel aan sal lahayn oo bir ah 904l bar bartanka
Sababtoo ah bir bir-qabad 304 tuubooyinku waa ugu yaraan 18% illaa ugu badnaan 20% chromium, birta waxay sameysaa is-bogsiin, kala-soo-dhigyada lakabka oksive dusha sare ee tuubbada.