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GB/T 700 Q215B Carbon Steel Precision Casting
Symbol |
Chemical composition |
||||
|
C max |
Si max |
Mn max |
P max |
S max |
Q215B |
0.09~0.15 |
0.30 |
0.25~0.55 |
0.045 |
≤0.045 |
GB/T 700 Q215B precision castings Mechanical properties
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 |
|
||||
Q215B |
205 |
335-450 |
30 |
- |
27 |
|