Q275 iron wire
Chemical composition
|
Grade
|
C
|
Mn
|
Si
|
S
|
P
|
|
Q275
|
0.28-0.38
|
0.50-0.80
|
≤0.35
|
≤0.050
|
≤0.045
|
physical properties
|
grade
|
state
think（diameter）mm
|
yield point
σs / MPa (≥)
|
tensile strength
σb /MPa (≥)
|
Elongation
δ5 / % (≥)
|
|
Q275
|
≤16
|
275
|
490~630
|
20
|
|
>16~ ≤40
|
265
|
490~630
|
19
|
|
|
>40~ ≤60
|
255
|
490~630
|
18
|
|
|
>60~ ≤100
|
245
|
490~630
|
17
|
|
|
>100~ ≤150
|
235
|
490~630
|
16
|
|
|
>150
|
225
|
490~630
|
15
|
grade Comparison
|
china
GB
|
American
ASTM
|
International
ISO
|
Japan
JIS
|
Germany
DIN
|
UK
BS
|
French
NF
|
|
Q275
|
－
|
SS490
|
－
|
－
|
－
|
E275A
|
Q275 Performance
Q275 has a higher strength, hardness, good wear resistance, certain welding performance and cutting performance, small parts can cutting , plasticity and toughness than Q255
Q275 has a higher strength, hardness, good wear resistance, certain welding performance and cutting performance, small parts can cutting , plasticity and toughness than Q255
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[Source：Original]
[Author：web]
[Date：09-01-13]
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