ASTM A193 Qib B7 Cov Kev Siv Cov Hlau Hlau Kev Siv Rau Cov Khoom Siv Loj Rau Cov Khoom Siv Kub thiab Kev Siv Lub Hom Phiaj Tshwj Xeeb. Nws yog tus qauv cov tshuaj tshwj xeeb uas cov tshuaj lom neeg muaj ntau yam tshuaj lom neeg, cov khoom siv tau ua rau muaj kev pab kub, thiab lwm yam kev xav tau rau cov khoom siv siab kub, thiab lwm yam kev xav tau rau cov khoom siv siab kub ASTM A193 txhais txog Si (metric) thiab nti ua phaus units.
ASTM A320 qib l7 yog cov khoom siv cov ntaub ntawv tshwj xeeb rau bolts, studs, neeg rau, thiab lwm lub freakeners tsim rau cov kev siv hluav taws kub kub. ASTM A320 L7 Cov qib tau muab faib ua 4 chav kawm ua tiav, A, B, C, thiab D, cov kev ntxhov siab sib txawv. Chav kawm 660 lub fasteners yog siv los kub balers, cov hlab ntsha siab, cov yeeb nkab flanges thiab li qub rau kev kub kub.
Qib B7 yog ib qho cua sov kho chromium molybdenum Tsawg Alloy Steel nrog rau qhov tsawg kawg nkaus ntawm 105 ksi (720 mpa) thiab lub siab kawg ntawm 35hrc. Boltport tsim bi taws thiab headless bolts los ntawm alloy steel aisi 4140 bar Tshuag lossis kev tsis quav ntsej. A193 Qib B7 yog feem ntau siv bolting loj, ntxiv rau A194 qib 2H cov txiv ntoo yog siv rau bolting carbon hlau. A193 B7 Bolts muaj nyob hauv metric qhov ntau thiab tsawg los ntawm M6 mus rau M180 thiab ntau qhov ntau thiab tsawg los ntawm 1 nti.
Cov txiv ntoo nrog tus nominal loj dua 1 nti yuav yog ib chav kawm tsis muaj tseeb 2b haum lossis 8 un series chav kawm 2B haum. Siab zog ittm A194 qib 2H cov txiv ntoo muaj ntau nyob rau hauv kev ua lag luam ittm ay
ASTM A193 Qib B7 yog cov khoom siv cov khoom siv chromium rau lub zog hlau-molybdenum rau siab, siab siv tau, thiab cov ntaub ntawv tshwj xeeb. Qib B7 yog ib qho cua sov kho chromium molybdenum yuav tsum tau ntawm 100 ksi, muaj zog tsawg kawg ntawm 75 ksi thiab lub siab kawg ntawm 35 hrc. Lub ATTM A193 Cov Kev Siv Tshwj Xeeb Tshwj Xeeb rau Tshuaj Muaj Tshuaj, Cov Khoom Siv Txhua Yam, Hardness, Kev Kho Mob Cua Sov, thiab Pom zoo Cov Txiv Ntseej rau Chav B7 Rasteners. ASTM A193 Qib B7 yog qhov nthuav dav rau kev tawm tswv yim rau cov fasteners, feem ntau pom nyob hauv bolts lossis kav dej, li qub, flanges thiab fittings.
ASTM A320 Bolts yog tsim nyog rau kev kub siab rau qhov tsis kub mus rau -150¡ÃF thiab muaj qhov tsawg kawg nkaus tsub nqi ntawm 20-ft-lbf ntawm qhov kub no. ASTM A320 HEX Bolts yuav tsum tau txais lub durability thiab kev pabcuam ntawm kev kub siab lossis kev kub siab thiab corrosion resistant steel. ASTM A320 kev teeb tsa bolts muaj ntau qhov ntau thiab tsawg thiab cov qauv, peb tus nqi them rau hauv kev ua lag luam vim lawv cov khoom ntiag tug thiab cov lus qhia tshwj xeeb.
ASTM A320 L7 Stud Bolts yog tsim rau kev ua tau kub tsawg. Cov fasteners feem ntau siv hauv li qub, flanges, fittings thiab siab cov hlab ntsha. Lub ATTM cov lus qhia tshwj xeeb pom zoo qhov tsawg kawg nkaus cuam tshuam tus nqi ntawm 20-ft-lbf -150f rau Astm A320 L7 Studs.
Cov kev qhia tshwj xeeb rau ASTM A320 qib l7m cov ntaub ntawv npog alloy steel bolting rau cov ntawv thov kub tsawg. ASTM A320 L7 STUPS kuj tseem siv tau rau hauv cov ntawv thov nrog cov huab cua huab cua sov txog -150o. ASTM A320 qib l7m bolts thiab ASTM A320 Bolts muaj qhov them nqi tsawg kawg ntawm 15 ko taw-phaus ntawm qhov kub no.
A320 gr l7 Cov khoom siv A320 Gri Stud yuav yauv kuaj cov lus hauv qab no - Kev kuaj mob Tensile thiab Hardness Kuaj raws li A320 qib l7 bolts. Qhov tshwj xeeb ntawm A320 gr L7 HDG npog ob peb qib ntawm stainless hlau muaj xws li cov hlau tsis muaj tshuaj tua kab mob.
ASTM A193 Qib B8 Qeb 1 Bolts thiab cov tub kawm ua los ntawm AISI 304 stainless hlau. Hom 304 yog cov feem ntau siv cov qauv stainless hlau hauv lub nrawm kev lag luam.
ASTM A193 Qib B7 Bolts thiab cov txij nkawm yog tsim los ntawm Chrome Molybdenum hlau thiab yog quenched thiab tempered (cua sov) kom ua tiav cov khoom siv xav tau (lub zog). Qib B7 yog cov feem ntau siv A193 ntsia liaj qhov rooj hauv kev tsim kho.
A193 B7, A194 2H, A320 L7, L7M Alloy Bolt, Hex Bolt, Hex Liaj Ua Si, UX Bolt, Hex Txiv Ntseej, Hex Txiv Ntseej, Nrov Washer, Lub Caij Nplooj Hlav Washer./ - Zhengzhou Huitong Pipeline Equipment Co., Ltd.
B7 Threaded Studs thiab lub taub hau luv luv bolts tau yooj yim muaj nyob hauv kev ua lag luam. B7 Bolts bolts feem ntau siv rau yeeb nkab flange sib txuas. Cov bolts no feem ntau yog muag hauv ib qho khoom qab zib uas ua tiav, tab sis feem ntau kub-dip galvanized, ptfe coated, lossis lwm yam kho nrog kev ua kom haum.
ASTM A194 chav kawm chav kawm 2h yog carbon paus steel hnyav lub luag haujlwm HEX txiv ntoo. Sa194-2h cov khoom siv yog ib qho kev loj hlob loj hlob. Qhov kev qhia tshwj xeeb no astm A194 chav ntxuav chav kawm 2H feem ntau yog siv nrog cov qauv kev ua lag luam hauv qab no - A193 chav kawm B7, A325, A490.
ASTM A194 2 2 HAV HEEV Hex Lwg yog cov khoom tseem ceeb thiab nyob hauv Tshuag. Ht yeeb nkab yog ib qho khoom siv los ntawm ASTM A194 2H lub luag haujlwm HEX txiv ntoo Hex. Cov no yog cov dej kas hnyav Hex Txiv Ntseej ntaus Bolts raws li qhia los ntawm Astm A-193 cov lus qhia tshwj xeeb.
