Abrasion Resistant Steel Castings

Abrasion Resistant Steel Castings

Jaw Plate Abrasion Resistant Steel Castings Mining Machine Components Product Description and Process Jaw Plate Abrasion Resistant Steel Castings Mining Machine Components Production process: choose following suitable production process according to the requirements Green sand casting process,...

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Jaw Plate Abrasion Resistant Steel Castings Mining Machine Components

Product Description and Process

Jaw Plate Abrasion Resistant Steel Castings Mining Machine Components

Production process: choose following suitable production process according to the requirements

Green sand casting process,

Lost foam castings process,

Investment casting process

Weight range: from 5 kilograms to 3000 kilograms

Heat Treatment Process: watertoughening treatment

Surface treatment process: Painting


Product Material and Uses

Normally produce with ASTM A128/A128M, ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5, ZGMn13Cr2, etc.

The wear resistant steel casting products are widely used for quarrying, excavating, coal industry, cast industry, steel industry, etc.


Material properties

Mangalloy is made by alloying steel, containing 0.8 to 1.25% carbon, with 11 to 15% manganese. Mangalloy is an unique non-magnetic steel with extreme anti-wear properties. The material is very resistant to abrasion and will achieve up to three times its surface hardness during conditions of impact, without any increase in brittleness which is usually associated with hardness. This allows mangalloy to retain its toughness.

Most steels contain 0.15 to 0.8% manganese. High strength alloys often contain 1 to 1.8% manganese.  At about 1.5% manganese content, the steel becomes brittle, and this trait increases until about 4 to 5% manganese content is reached. At this point, the steel will pulverize at the strike of a hammer. Further increase in the manganese content will increase both hardness and ductility. At around 10% manganese content the steel will remain in its austenite form at room temperature if cooled correctly. Both hardness and ductility reach their highest points around 12%, depending on other alloying agents. The primary of these alloying agents is carbon, because the addition of manganese to low-carbon steel has little effect, but increases dramatically with increasing carbon content. The original Hadfield steel contained about 1.0% carbon. Other alloying agents may include metals like nickel and chromium; added most often to austenitic steels as an austenite stabilizer; molybdenum and vanadium; used in non-austenitic steels as a ferrite stabilizer; or even non-metallic elements such as silicon.


Common Wear-Resistant Cast Steel Grade and Chemical Composition

Grade

Chemical Composition

CMnSiP ≤S ≤Cr

ZGMn13-1

1.1-1.5

11-14

0.3-1.0

0.09

0.05

-

ZGMn13-2

1.0-1.4

11-14

0.3-1.0

0.09

0.05

-

ZGMn13-3

0.9-1.3

11-14

0.3-0.8

0.08

0.05

-

ZGMn13-4

0.9-1.2

11-14

0.3-0.8

0.07

0.05

-

ZGMn13Cr2

0.9-1.3

11-14

≤ 0.8

0.07

0.04

1.5-2.5

ZGMn14

1.12-1.25

13-15

0.3-1.0

0.055

0.05

≤ 0.6


Standard Composition Ranges for Austenitic Manganese Steel Castings ( ASTM A128)

Grade

CSiMnP ≤CrNiMo

ASTM

UNS

A

J91109

1.05~1.35

≤1.00

≥11.0

0.07

B-1

J91119

0.9~1.05

≤1.00

11.5~14.0

0.07

B-2

J91129

1.05~1.2

≤1.00

11.5~14.0

0.07

B-3

J91139

1.12~1.28

≤1.00

11.5~14.0

0.07

B-4

J91149

1.2~1.35

≤1.00

11.5~14.0

0.07

C

J91309

1.05~1.35

≤1.00

11.5~14.0

0.07

1.5~2.5

D

J91459

0.7~1.3

≤1.00

11.5~14.0

0.07

3.0~4.0

 -

E-1

J91249

0.7~1.3

≤1.00

11.5~14.0

0.07

0.9~1.2

E-2

J91339

1.05~1.45

≤1.00

11.5~14.0

0.07

1.8~2.1

F

J91340

1.05~1.35

≤1.00

6.0~8.0

0.07

0.9~1.2


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