40cr tuubo bir ah oo aan kala go 'lahayn

Sharaxaad Gaaban:

Tilmaamaha wax soo saarka:

Dhexroorka dibadda ee tuubada birta 20-426

Dhumucda gidaarka birta ee 20-426

Heerka dhuumaha birta:

Marka loo eego heerka GB/T 3077-2008: Halabuurka kiimikaad (jabka tirada badan,%) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【 Guryaha makaanikada】

Tusaalaha cabbirka bannaan (mm): 25

Daaweynta kulaylka:

Heerkulka kuleylka ugu horreeya ee deminta (℃): 850;qaboojiye: Saliid

Heerkulka kuleylka labaad ee deminta (℃): -

Heerkulka kuleylka kuleylka (℃): 520;qaboojiye: biyo, saliid

Xoogga xajinta (σb/MPa): ≧980

Dhibicda wax-soo-saarka (σs/MPa): ≧785

Kordhinta jabinta ka dib (δ5/%) : ≧9

Heerka dhimista ee iskutallaabyada (ψ/%) : ≧45

Shaqada nuugista saamaynta (Aku2/J): ≧47

Qalafsanaanta brinell (HBS100/3000) (xaalad kululayn ama heerkul sare): ≦207