40cr paipa maitai korekore

Whakaahuatanga Poto:

Whakatakotoranga whakaputa:

Te diameter o waho o te paipa maitai 20-426

Steel putorino taiepa matotoru o 20-426

Paerewa paipa maitai:

E ai ki te paerewa GB / T 3077-2008: te hanganga matū (hautanga papatipu, %) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.【 Nga taonga miihini 】

Tauira rahi pātea (mm): 25

Te maimoatanga wera:

Te pāmahana whakawera tinei tuatahi (℃): 850;Te whakamahana: Hinu

Te pāmahana whakawera tinei tuarua (℃): -

Te pāmahana whakawera whakawera (℃): 520;Te whakamahana: te wai, te hinu

Ko te kaha o te kaha (σb/MPa) : ≧980

Ira tuku (σs/MPa) : ≧785

Te whakaroa i muri i te whati (δ5/%) : ≧9

Reiti whakaheke o te wahanga-whiti (ψ/%) : ≧45

Te mahi whakangao (Aku2/J) : ≧47

Te pakeke o Brinell (HBS100/3000) (te whakahiato, te whakamahana teitei ranei te whakamahana) : ≦207