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Austenitic cast iron Precision Casting ASTM F41000
Symbol |
Chemical composition |
|
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|
C max |
Si max |
Mn max |
S max |
Cr max |
Ni max |
ASTM F41000 |
3.0 |
1.0~2.8 |
0.5~1.5 |
0.12 |
1.50-2.50 |
13.50-17.50 |
Mechanical properties of precision castings ASTM F41000
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 F41000 |
- |
172 |
|
- |
- |
131-183 |
Dimensional Tolerance of precision castings ASTM F41000
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 |