40cr peipi ea tšepe e se nang seamless

Tlhaloso e Khutšoanyane:

Tlhaloso ea tlhahiso:

Ka ntle bophara ba tšepe phala 20-426

Botenya ba phala ea tšepe ea lerako la 20-426

Tekanyetso ea peipi ea tšepe:

Ho latela maemo a GB/T 3077-2008: lik'hemik'hale (karolo ea boima, %) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【 Thepa ea mochini 】

Mohlala o se nang letho (mm): 25

Phekolo ea mocheso:

Mocheso oa pele oa ho tima mocheso (℃): 850;Pholiso: Oli

Mocheso oa bobeli oa ho tima mocheso (℃): -

Mocheso o futhumatsang oa mocheso (℃): 520;Coolant: metsi, oli

Matla a ho tiea (σb/MPa) : ≧980

Sebaka sa tlhahiso (σs/MPa) : ≧785

Elongation ka mor'a ho robeha (δ5/%) : ≧9

Sekhahla sa ho fokotseha ha karolo ea sefapano (ψ/%) : ≧45

Mosebetsi oa ho monya ka tšusumetso (Aku2/J) : ≧47

Brinell hardness (HBS100/3000) (annealing kapa boemo ba mocheso o phahameng oa mocheso): ≦207