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Stainless Steel Precision Casting ZG12Cr18Ni12Mo2i
The corrosion resistance of stainless steel decreases with the increase of carbon content , so most stainless steel are of low carbon , the maximum not more than 1.2%, and some steel Wc (carbon) or even below 0.03% (as 00Cr12 ). The main alloying elements in Stainless steel is Cr (chromium), and only when the Cr content reaches a certain value,the corrosion resistance of steel functions. Therefore, stainless steel generally have Cr (chromium) content of at least 10.5%. Stainless steel also contains Ni, Ti, Mn, N, Nb, Mo, Si, Cu and other elements.
Chemical composition unit of precision castings ZG12Cr18Ni12MoTi
|
Symbol |
Chemical composition |
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|
C max |
Si max |
Mn max |
P max |
S max |
Cr max |
Ni max |
|
|
ZG12Cr18Ni12Mo2Ti |
≤0.12 |
≤0.12 |
0.8~2.0 |
≤0.045 |
≤0.030 |
16.0~19.0 |
11.0~13.0 |
Mechanical properties of precision castings ZG12Cr18Ni12MoTi
|
Symbol |
Yield point or proof stress σb /MPa |
Tensile strength σb /MPa |
Elongation % min |
According to the contract |
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|
|
|
|
|
Transverse Shrinkage Z/% |
Impact Toughness KU2/J |
|
|
ZG12Cr18Ni12Mo2Ti |
|
49021630 |
2535 |
30 |
|
|
Dimensional Tolerance of precision castings ZG12Cr18Ni12MoTi
|
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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ZG12Cr18Ni12MoTi 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.
