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Austenitic cast iron Precision Casting ASTM F41003
Matrix is mainly austenite, with good acid resistance, resistance to seawater corrosion resistance, heat resistance, low temperature resistance and non-magnetic, and it has good plastic toughness of alloy cast iron.
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Symbol |
Chemical composition |
|
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|
|
C max |
Si max |
Mn max |
S max |
Cr max |
Ni max |
|
ASTM F41003 |
3.0 |
1.0~2.8 |
0.5~1.5 |
0.12 |
3.00-6.00 |
18.0-22.0 |
Mechanical properties of precision castings ASTM F41003
|
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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ASTM F41003 |
- |
201 |
|
- |
- |
171-248 |
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Dimensional Tolerance of precision castings ASTM F41003
|
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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ASTM F41003 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.
