ASTM A252 Qib 3 cov khoom siv yog dab tsi

ASTM A252 Qib 3 cov khoom siv yog dab tsi?

ASTM A252 Qib 3 yog cov khoom siv feem ntau siv yeeb nkab. Nws muajLub zog tensile siab (455 MPa lossis 66,000 psi) thiab tawm lub zog (310 MPa lossis 45,000 psi), ua rau nws zoo tagnrho rau kev ua haujlwm piling. Dab tsi ntawm cov hlau yog A252? ASTM A252 steel tau faib ua peb qib: Qib 1, Qib 2, thiab Qib 3.

Cov txiaj ntsig ntawm ASTM A252 Qib 2 yog dab tsi?

ASTM A252 Qib 2 steel yeeb nkab muaj qhov tsawg kawg nkaus yield zog ntawm240mpa uathiab feem ntau yog siv nyob rau hauv tej yaam num uas muaj zog thiab durability, xws li hnyav structural tej yaam num xws li chaw nres nkoj engineering.

Dab tsi yog qhov txawv ntawm ASTM A252 Qib 2 thiab Qib 3?

ASTM A252 Qib 1 thiab Qib 2 steel piling yeeb nkab yog tsim rau feem ntau cov ntawv thov hauv paus, thaum Qib 3 steel yeeb nkab tuaj yeem siv rau siab - kev siv zog.

ASTM A252 Qib 3 yog dab tsi?

ASTM A252 Qib 3 yogfeem ntau siv yeeb nkab piling khoom. Nws muaj lub zog tensile siab (455 MPa lossis 66,000 psi) thiab tawm lub zog (310 MPa lossis 45,000 psi), ua rau nws zoo tagnrho rau kev ua ub no.

Lub zog tensile ntawm ASTM A252 Qib 3 yog dab tsi?

ASTM A252 Qib 3 yog cov khoom siv feem ntau siv yeeb nkab. Nws muaj lub zog tensile siab (455 MPa lossis 66,000 psi) thiab yield zog (310 MPa lossis 45,000 psi), ua rau nws zoo tagnrho rau kev ua haujlwm piling.