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Q275 karfe farantin karfe
Q275 karfe farantin karfe
Q275 karfe farantin karfe
Q275 karfe farantin karfe

Q275 karfe farantin karfe

GB / T700 Q275 ƙunshi hudu daban-daban karfe maki kamar yadda Q275A,Q275B,Q275C da Q275D.Structural karfe Q275D za a yi tasiri gwajin a low zafin jiki debe 20 digiri centigrade.The daidai karfe sa tare da Q275D ne EN 10275-2 J.
Haɗin Sinadari
Q275 karfe farantin karfe ne wani nau'i na carbon tsarin karfe, high ƙarfi, mai kyau plasticity da yankan yi, mai kyau waldi yi, kananan sassa za a iya kashe da kuma karfafa, mafi yawa amfani da kerarre sassa da high bukatun, kamar gears da shafts. , sprockets, maɓallai, kusoshi, goro, sassan karfe don injinan noma, sarƙoƙi da hanyoyin haɗin gwiwa.

Q275 farantin karfe daidai abu: daidai da Jafananci JIS iri: SS490
Ƙungiyar Ƙasa ta Duniya don Daidaitawa:
E275A
Daidai da tsohuwar alama: A5

Sinadarin abun da ke ciki (jashi mai yawa) na farantin karfe Q275 (%)
C: ≤0.24
Mn: ≤1.5
ku: ≤0.35
S: ≤0.050 (Darasi A)
Shafin: 0.045

Q275 farantin karfe ne yafi amfani don kera mafi muhimmanci inji aka gyara a yi da kuma gada aikin injiniya, kuma zai iya maye gurbin high quality-carbon karfe. Q215B yayi daidai da lamba 10-15. Q235B daidai yake da karfe 15-20, Q255B daidai yake da karfe 25-30, kuma Q275B daidai yake. 35-40 karfe.
Babban abubuwan sinadaran Q275D
C Si Mn P S
0.20 0.35 1.50 0.035 0.035
Kayan Injiniya
Kauri (mm)
Q275D ≤ 16 > 16 ≤ 40 > 40 ≤ 60 > 60 ≤ 100 > 100 ≤ 150 > 150
Ƙarfin Haɓaka (≥Mpa) 275 265 255 245 225 215
Ƙarfin ƙarfi (Mpa) 410-540
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