ASTM A532 Mill Liners

ASTM A532 Mill Liners Introduction High chromium white iron wear-resistant castings, cement polished board carbon and silicon content is low, carbon mainly exists in cementite form, fracture surface is silver white. The microstructure and properties are uniform, wear resistant, good plasticity...

Description

ASTM A532 Mill Liners Introduction

High chromium white iron wear-resistant castings, cement polished board carbon and silicon content is low, carbon mainly exists in cementite form, fracture surface is silver white. The microstructure and properties are uniform, wear resistant, good plasticity and toughness. It is used to make parts with complex shape and can bear strong dynamic load

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Product details

The standard of high chromium cast iron in the United States is ASTMA532M, and the content of high chromium cast iron (mass molecular number) specified by American Climax molybdenum Co., Ltd.

Ingredient number

12-1

15-3

15-2-1

20-2-1

Ultra-high carbon

High Carbon

Medium Carbon

Low Carbon

C

3.0-3.5

3.6-4.3

3.2-3.6

2.8-3.2

2.4-2.8

2.8-3.5

2.6-2.9

Cr

11-14

14-16

14-16

14-16

14-16

14-16

18-21

Mo

0.5-1.0

2.5-3.0

2.5-3.0

2.5-3.0

2.4-2.8

1.9-2.2

1.4-2.0

Cu

<1.0

-

-

-

-

0.5-1.2

0.5-1.2

Mn

0.5-0.8

0.7-1.0

0.7-1.0

0.5-0.8

0.5-0.8

0.6-0.9

0.6-0.9

Si

0.5-0.8

0.3-0.8

0.53-0.8

0.3-0.8

0.3-0.8

0.4-0.8

0.4-0.9

S

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

P

<0.10

<0.10

<0.10

<0.10

<0.10

<0.06

<0.06

The maximum cross section of Pearlite does not appear during air cooling(mm)


-

70

90

120

200①

>200

HRC

Cast state

60-67

51-56

50-54

44-48

50-55

50-54

Quenching

62-67

60-65

58-63

60-67

60-67

Annealing

40-44

36-42

35-40

40-44

38-43


Production Process

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