Product
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Symbol
|
Chemical composition
|
||||
C
max
|
Si
max
|
Mn
max
|
P
max
|
S
max
|
|
Q215A
|
0.09~0.15
|
0.30
|
0.25~0.55
|
0.045
|
≤0.050
|
Symbol
|
Yield point or proof stress
N/mm2 (min)
|
Tensile strength
N/mm2 min
|
Elongation % min
|
According to the contract
|
||
Transverse Shrinkage
Z/%
|
Impact Toughness
KU2/J
|
|
||||
Q215A
|
205
|
335-450
|
30
|
-
|
-
|
|
Casting
Dimensions(mm)
|
>
25~40
|
>
40~63
|
>
63~100
|
>100~160
|
>
160~250
|
>
250~400
|
>
400~630
|
>
630~1000
|
>
1000~1600
|
>16~2500
|
|
||
Sand Casting
|
Major unit
|
±
0.9
|
±
1.0
|
±
1.1
|
±
1.3
|
±
1.4
|
±
1.6
|
±
1.8
|
±
2.0
|
±
2.3
|
±
2.7
|
||
Minor unit
|
±1.8
|
±
2.0
|
±
2.2
|
±
2.5
|
±
2.8
|
±
3.1
|
±
3.5
|
±
4.0
|
±
4.5
|
±
5.0
|
|||
Investment Casting
|
CT7
|
±
0.45
|
±
0.50
|
±
0.55
|
±
0.6
|
±
0.7
|
±
0.8
|
±
0.9
|
±
1.0
|
±
1.1
|
±
1.3
|