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GB/T 700 ZG270-500 Carbon Steel Precision Casting
Symbol |
Chemical composition |
||||
|
C max |
Si max |
Mn max |
P max |
S max |
ZG270-500 |
0.30~0.38 |
0.20~0.50 |
0.50~0.90 |
≤0.040 |
≤0.040 |
GB/T 700 ZG270-500 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 |
|
||||
ZG270-500 |
270 |
500 |
18 |
25 |
22 |
|