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Austenitic cast iron Precision Casting QTANi35Cr3

Austenitic cast iron Precision Casting QTANi35Cr3

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.

Chemical composition unit of precision castings QTANi35Cr3

Symbol

Chemical composition

max

QTANi35Cr3

2.4

1.5~3.0

1.5~2.5

≤0.6

34.0~36.0

2.0~3.0

0.05

0.03

Mechanical properties of precision castings QTANi35Cr3

Symbol

Yield point or proof stress

N/mm2

Tensile strength

N/mm2

Elongation % min

According to the contract

Transverse Shrinkage

Z/%

Impact Toughness

KU2/J

Hardness

QTANi35Cr3

210~290

370·450

7~10

140~190

Dimensional Tolerance of precision castings QTANi35Cr3

Casting

Dimensions(mm)

＞

25~40

＞

40~63

＞

63~100

＞100~160

＞

160~250

＞

250~400

＞

400~630

＞

630~1000

＞

1000~1600

＞16~2500

Sand Casting

Major unit

0.9

1.0

1.1

1.3

1.4

1.6

1.8

2.0

2.3

2.7

Minor unit

±1.8

2.0

2.2

2.5

2.8

3.1

3.5

4.0

4.5

5.0

Investment Casting

CT7

0.45

0.50

0.55

0.6

0.7

0.8

0.9

1.0

1.1

1.3

QTANi35Cr3 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.