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Austenitic cast iron Precision Casting QTANi35Si5Cr2
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Symbol |
Chemical composition |
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C max |
Si max |
Mn max |
Cu max |
Ni max |
Cr max |
P max |
S max |
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QTANi35Si5Cr2 |
2.4 |
1.5~3.0 |
1.5~2.5 |
≤0.6 |
34.0~36.0 |
2.0~3.0 |
0.05 |
0.03 |
Mechanical properties of precision castings QTANi35Si5Cr2
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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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QTANi35Si5Cr2 |
210~270 |
380~550 |
10~20 |
- |
7·12 |
130~170 |
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Dimensional Tolerance of precision castings QTANi35Si5Cr2
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Casting Dimensions(mm) |
＞ 25~40 |
＞ 40~63 |
＞ 63~100 |
＞100~160 |
＞ 160~250 |
＞ 250~400 |
＞ 400~630 |
＞ 630~1000 |
＞ 1000~1600 |
＞16~2500 |
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Sand Casting |
Major unit |
± 0.9 |
± 1.0 |
± 1.1 |
± 1.3 |
± 1.4 |
± 1.6 |
± 1.8 |
± 2.0 |
± 2.3 |
± 2.7 |
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Minor unit |
±1.8 |
± 2.0 |
± 2.2 |
± 2.5 |
± 2.8 |
± 3.1 |
± 3.5 |
± 4.0 |
± 4.5 |
± 5.0 |
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Investment Casting |
CT7 |
± 0.45 |
± 0.50 |
± 0.55 |
± 0.6 |
± 0.7 |
± 0.8 |
± 0.9 |
± 1.0 |
± 1.1 |
± 1.3 |
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QTANi35Si5Cr2is is mainly used in Aviation machine manufacturing industries.Henan Sebon Industries Co., LTD is one of the leading casting company in China.We are a manufacturer for precision castings and produce castings for auto,moto,railway and shipping ,including construction machinery castings ,mining machinery castings and engineering machinery castings.We mainly use the two foundry technology ,sodium silicate investment casting process and silicon sol solution casting process.
