40cr irin pipe

Apejuwe kukuru:

Sipesifikesonu iṣelọpọ:

Lode opin ti irin pipe 20-426

Irin paipu odi sisanra ti 20-426

Iwọn paipu irin:

Ni ibamu si boṣewa GB/T 3077-2008: kemikali tiwqn (ibi-ida,%) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【Mechanical Properties】

Apeere iwọn òfo (mm): 25

Itọju igbona:

Ni igba akọkọ ti quenching alapapo otutu (℃): 850;Itura: Epo

Iwọn otutu alapapo keji (℃): -

Awọn iwọn otutu alapapo otutu (℃): 520;Itura: omi, epo

Agbara fifẹ (σb/MPa): ≧980

Aaye ikore (σs/MPa): ≧785

Ilọsiwaju lẹhin fifọ (δ5/%): ≧9

Oṣuwọn idinku ti apakan-agbelebu (ψ/%): ≧45

Ise gbigba ipa (Aku2/J): ≧47

Lile Brinell (HBS100/3000) (annealing tabi ipo otutu otutu): ≦207