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Austenitic cast iron Precision Casting ASTM F41007
Symbol |
Chemical composition |
|
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|
C max |
Si max |
Mn max |
S max |
Cr max |
Ni max |
ASTM F41007 |
3.00 |
1.5-2.50 |
0.5~1.5 |
0.12 |
1.00-2.00 |
18.00-22.00 |
Mechanical properties of precision castings ASTM F41007
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 |
|
ASTM F41007 |
- |
172 |
|
- |
- |
124-174 |
Dimensional Tolerance of precision castings ASTM F41007
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 |
ASTM F41007 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.