Moodooyinka iyo alaabada xaashida birta ah ee Lasen

 

Noocyadaxirmooyinka xaashida birta ah
Sida laga soo xigtay "Duulimaadyada xaashida birta ah ee kulul” (GB∕T 20933-2014), xaashida xaashida kulul ee duuban waxay ka kooban tahay saddex nooc, noocyada gaarka ah iyo magacyadoodu waa sidan soo socota:U-nooca xaashida xaashida birta ahMagaca koodka: PUZ-nooca xaashida birta ah, magaca koodhka: PZ xadhkaha xaashida birta ah, magaca koodhka: PI Xusuusin: halka P ay tahay xarafka ugu horreeya ee xaashida birta ee Ingiriisi (Pile), iyo U, Z, waxaanan u taaganahay qaabka iskutallaabta ee qaybta xaashida birta.

 

Tusaale ahaan, tuulista xaashida birta ee nooca U-nooca inta badan la isticmaalo, PU-400X170X15.5, waxaa loo fahmi karaa 400mm ballaaran, 170mm sare, 15.5mm qaro weyn.

 

  

Tusmada xaashida birta nooca z

U-nooca xaashida xaashida birta ah

 

Waa maxay sababta aysan ahayn nooca Z-ka ama nooca tooska ah balse u-nooca inta badan loo isticmaalo injineernimada? Dhab ahaantii, sifooyinka farsamada ee nooca U iyo nooca Z asal ahaan waa isku mid hal hal, laakiin faa'iidada U-nooca xaashida xaashida birta ah waxay ka muuqataa ficil wadajir ah oo ah noocyo badan oo U-nooca xaashida birta ah.

 

Laga soo bilaabo shaxanka kore, waxaa laga arki karaa in qallafsanaanta mitirka toosan ee U-nooca xaashida xaashida birta ah ay aad uga weyn tahay kan hal-beelka birta ah ee nooca U-nooca ah (meesha dhidibka dhexdhexaadka ah ayaa loo beddelaa wax badan) ka dib marka la wada qaniino nooca U-nooca xaashida birta.
2. Walxaha tuulmada xaashida
Heerka birta Q345 waa la joojiyay! Marka loo eego heerka cusub ee "Steel Alloy High High Structural Steel" GB/T 1591-2018, laga bilaabo Febraayo 1, 2019, darajada Q345 ee birta ah waa la joojiyay oo loo beddelay Q355, oo u dhiganta heerka EU S355 darajada birta.