40cr paipu kila maʻemaʻe

ʻO ka wehewehe pōkole:

Nā kikoʻī hana:

ʻO ke anawaena o waho o ka paipu kila 20-426

ʻO ka mānoanoa o ka paia paipu kila o 20-426

Paipu kila maʻamau:

E like me ka maʻamau GB / T 3077-2008: kemika haku mele (ka hapa nui,%) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【 Waiwai Mechanical 】

Laana hakahaka (mm): 25

Hana wela:

ʻO ka mahana wela hoʻonaʻauao mua (℃): 850;Mea hooluolu: Aila

ʻO ka wela wela hoʻoheheʻe ʻana ʻelua (℃): -

Ka wela wela wela (℃): 520;Mea hoʻoluʻu: wai, ʻaila

Ka ikaika uʻi (σb/MPa): ≧980

Ka helu hua (σs/MPa) : ≧785

Ka lōʻihi ma hope o ka haki ʻana (δ5/%) : ≧9

Ka hoemi ana o ka pauku kea (ψ/%) : ≧45

Ka hana hoʻopalekana hopena (Aku2/J): ≧47

ʻO Brinell paʻakikī (HBS100/3000) (annealing a i ʻole ke kūlana wela wela): ≦207