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GB/T 26648 QTANi20Cr2Nb Austenitic cast iron Precision Casting
Symbol |
Chemical composition |
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C max |
Si max |
Mn max |
Cu max |
Ni max |
Cr max |
P max |
S max |
QTANi20Cr2Nb |
3.0 |
1.5~3.0 |
0.5~1.5 |
≤0.5 |
18.0~22.0 |
1.0~3.5 |
0.05 |
0.03 |
HTANi15Cu6Cr precision castings Mechanical properties
Symbol |
Yield point or proof stress N/mm2 |
Tensile strength N/mm2 |
Elongation % min |
According to the contract |
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Transverse Shrinkage Z/% |
Impact Toughness KU2/J |
Hardness |
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QTANi20Cr2Nb |
210~250 |
370~480 |
8~20 |
- |
11~24 |
140~220 |
GB/T 26648 QTANi20Cr2Nb precision castings is widely used in auto,moto,railway and shipping construction machinery,mining machinery and engineering machinery industries.We can produce QTANi20Cr2Nb precision castings according to your drawings.We can also do CNC machining and many kinds surface treatment, just tell us your requirements on physical properties and chemical compositions .