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Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel
Q275 efere ígwè
Q275 efere ígwè
Q275 efere ígwè
Q275 efere ígwè

Q275 efere ígwè

GB / T700 Q275 nwere anọ dị iche iche ígwè akara ule dị ka Q275A,Q275B,Q275C na Q275D.Structural ígwè Q275D ga-mere impacting ule na ala okpomọkụ mwepu 20 ogo centigrade.The Ẹkot ígwè ọkwa na Q275D bụ EN 10275-2J.
Ngwakọta kemịkalụ
Q275 efere ígwè bụ ụdị carbon structural ígwè, ike dị elu, ezigbo plasticity na ịcha arụmọrụ, ezigbo ịgbado ọkụ arụmọrụ, obere akụkụ nwere ike menyụọ na ike, na-akasị eji na-emepụta akụkụ na elu chọrọ, dị ka gia na aro. , sprockets, igodo, bolts, akụ, ngalaba nchara maka igwe ọrụ ugbo, ụdọ ebu na njikọ.

Q275 ígwè efere nhata ihe: kwekọrọ na Japanese JIS ika: SS490
Òtù Mba Nile Maka Nhazi:
E275A
Dakọtara na akara ochie: A5

Ngwakọta kemịkalụ (irighiri oke) nke efere igwe Q275 (%)
C: ≤0.24
Nkeji: ≤1.5
Ebe: ≤0.35
S: ≤0.050 (Klas A)
P: ≤0.045

Q275 efere ígwè bụ tumadi na-eji rụpụta ihe ndị ọzọ n'ibu components na-ewu na àkwà mmiri engineering, na ike dochie elu-edu carbon ígwè. Q215B dabara na Nke 10-15. Q235B bụ Ẹkot 15-20 ígwè, Q255B bụ Ẹkot 25-30 ígwè, na Q275B bụ Ẹkot. 35-40 ígwè.
Ihe mejupụtara kemịkalụ bụ isi nke Q275D
C Si Mn P S
0.20 0.35 1.50 0.035 0.035
Ngwongwo igwe
Ọkpụrụkpụ (mm)
Q275D ≤ 16 > 16 ≤ 40 > 40 ≤ 60 > 60 ≤ 100 > 100 ≤ 150 > 150
Ike mpụta (≥Mpa) 275 265 255 245 225 215
Ike tensile (Mpa) 410-540
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