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Alloy Steel Precision Casting ZG40Cr

Alloy Steel Precision Casting ZG40Cr

Alloy steel is added other elements in addition to iron, carbon. In the base of ordinary carbon steel and are added amount of one or more alloying elements ,then form the iron-carbon alloys. According to different additive elements and take appropriate processing technology, can get high strength, high toughness, wear resistance, corrosion resistance, low temperature and high temperature resistant, non-magnetic and other special properties.

Chemical composition unit of precision castings ZG40Cr

Symbol

Chemical composition

max

ZG40Cr

0.35~0.45

0.50~0.80

0.20~0.40

≤0.035

0.80~1.10

Mechanical properties of precision castings ZG40Cr

Symbol	Heat Treatment Condition	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
ZG40Cr	Normalizing+Temper	345	630	18	26	-	≤212
	Hardening and Tempering	345~540	590~735	8~15	30~45	16~39	217~286

Dimensional Tolerance of precision castings ZG40Cr

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

Alloy Steel Precision Casting ZG40Cr 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.

Alloy Steel Precision Casting ZG40Cr