•304L bakin karfe masana'antu bututu: A matsayin ƙananan carbon 304 karfe, a gaba ɗaya, juriya na lalata yayi kama da na 304, amma bayan waldi ko damuwa na damuwa, juriya ga lalata intergranular yana da kyau, kuma yana iya kula da juriya mai kyau ba tare da maganin zafi ba.
•304 bakin karfe masana'antu bututu: Yana da kyau lalata juriya, zafi juriya, low zafin jiki ƙarfi da inji Properties, mai kyau zafi sarrafa Properties kamar stamping da lankwasawa, kuma babu zafi magani hardening sabon abu. Amfani: kayan tebur, kabad, tukunyar jirgi, sassa na mota, kayan aikin likita, kayan gini, masana'antar abinci (amfani da zafin jiki -196°C-700°C)
Babban fasali na 310 bakin karfe bututu masana'antu ne: high zafin jiki juriya, kullum amfani a boilers, mota shaye bututu. Sauran kaddarorin na gaba ɗaya ne.
•303 bakin karfe masana'antu bututu: Ta hanyar ƙara ƙaramin adadin sulfur da phosphorus, yana da sauƙin yanke fiye da 304, kuma sauran kaddarorin suna kama da 304.
•302 bakin karfe masana'antu bututu: 302 bakin karfe sanduna suna yadu amfani a auto sassa, jirgin sama, Aerospace hardware kayayyakin aiki, da kuma sinadaran masana'antu. Musamman kamar haka: kayan aikin hannu, bearings, furanni masu zamewa, kayan aikin likitanci, kayan lantarki, kayan lantarki, da dai sauransu Features: 302 bakin karfe ball na austenitic karfe ne, wanda yake kusa da 304, amma 302 yana da taurin mafi girma, HRC≤28, kuma yana da tsatsa mai kyau da juriya na lalata.
•301 bakin karfe masana'antu bututu: mai kyau ductility, amfani da gyare-gyaren kayayyakin. Hakanan ana iya taurare shi da sauri ta hanyar sarrafa injina. Kyakkyawan weldability. Juriya da ƙarfin gajiya sun fi 304 bakin karfe.
•202 bakin karfe masana'antu bututu: nasa ne chromium-nickel-manganese austenitic bakin karfe, tare da mafi yi fiye da 201 bakin karfe
•201 bakin karfe masana'antu bututu: nasa ne na chromium-nickel-manganese austenitic bakin karfe, tare da in mun gwada da low magnetism.
•410 bakin karfe masana'antu bututu: nasa ne na martensite (ƙarfin chromium mai ƙarfi), tare da juriya mai kyau da juriya mara kyau.
•420 bakin karfe masana'antu bututu: "Tool sa" martensitic karfe, kama da Brinell high chromium karfe, wani matsananci-farkon bakin karfe. Ana kuma amfani da wukake na tiyata kuma ana iya yin sa sosai.
•430 bakin karfe masana'antu bututu: ferritic bakin karfe, amfani da kayan ado, kamar na'urorin haɗi na mota. Kyakkyawan tsari, amma juriya mara kyau da juriya na lalata

Ƙarfin matsi na bututun bakin karfe ya dogara da girmansa (diamita na waje), kaurin bango (misali, SCH40, SCH80), da zafin aiki. Mahimman ƙa'idodi:
Ganuwar masu kauri da ƙananan diamita suna haifar da juriya mafi girma.
•Mafi girman zafi yana rage ƙarfin abu da matsi.
• Duplex karfe kamar 2205 bayar da kusan ninki biyu ƙarfi na 316L.
Misali, bututun bakin karfe 4-inch SCH40 304 na iya rike kusan. 1102 psi karkashin yanayi na al'ada. Bututu mai inci 1 na iya wuce psi 2000. Injiniyoyin ya kamata su tuntubi ASME B31.3 ko makamantan ma'auni don ingantattun ƙimar matsa lamba.