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Alloy Steel Precision Casting ZG45Mn
Symbol |
Chemical composition |
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|
C max |
Si max |
Mn max |
P max |
S max |
Cr max |
Ni max |
Mo |
Cu |
ZG45Mn |
0.40~0.50 |
0.30~0.50 |
1.20~1.60 |
≤0.035 |
≤0.035 |
- |
- |
- |
- |
Mechanical properties of precision castings ZG45Mn
Symbol |
Heat Treatment Condition |
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 |
ZG45Mn |
Normalizing+Temper |
340 |
560 |
12 |
20 |
20 |
196~235 |
|
Hardening and Tempering |
- |
- |
- |
- |
- |
- |
Dimensional Tolerance of precision castings ZG45Mn
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 |
ZG45Mn mainly used in Auto 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.