Q420 poleiti ea tšepe

Q420 Kenyelletso ea tšepe
Q420 steel ke sehlopha sa China sa tšepe sa Low Alloy High Strength Structural Steel, Yield Strength ke 420 MPa, paramethara e lekoa ka litšepe tsa bophara ba 16mm kapa lipoleiti tsa tšepe, 'me matla a thata ke 520-680 Mpa, boima ba thepa ke 7.85 g/ /cm3. Ho latela GB/T 1591-2008, Q420 e na le maemo a 5 a boleng: Q420A, Q420B, Q420C, Q420D le Q420E. Bakeng sa tšepe ea Q420 e lekanang, sebopeho sa lik'hemik'hale le thepa ea mochini, ka kopo bona litafole tse ka tlase.
Likarolo le Tšebeliso
Q420 tšepe e na le matla a phahameng, haholo-holo maemong a tloaelehileng kapa a tloaelehileng le a halefileng, a nang le thepa e phahameng ea mochini, e ka sebelisoa likepe tse kholo, marokho, lisebelisoa tsa seteishene sa motlakase, li-boilers tse mahareng le tse phahameng, likepe tse nang le khatello e phahameng, mochini o phahamisang, mochini oa meepo le likarolo tse ling tse kholo tse cheselitsoeng tsa sebopeho.

Motsoako oa lik'hemik'hale oa Q420 SteelTafole-2, Boleng ba Tekano ea Khabone (CEV)
Tšepe e rometsoeng ka ho chesa (e ipapisitse le tlhahlobo ea ho qhibilihisa)Table-3, Q420 Steel Mechanical Properties (Hot rolled) Letlapa-4, ElongationQ420 tšepe e lekanang le US ASTM, European EN, Germany DIN, Japan JIS, France NF, UK BS le standard ea ISO (Bakeng sa litšupiso feela)