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Guides and specifications for low-alloy steel

BRM MATERIAL DATA SHEET – MIM LOW-ALLOY STEELS

 

BRM is specialized in metallic materials and serves for emerging industries of strategic importance. it provides its high-end global customers with the advanced metallic materials, products and solutions to their materials technology problems in businesses covering Metallurgy, Magnetic Materials, Amorphous, Nanocrystalline products, Refractory materials & products, filtration materials & environment protection engineering, high speed and diamond tools. Group company was established in the Zhongguancun Science Park in December 1998, and underwent a successful IPO issuing 60 million of a share on Shenzhen Stock Exchange, the registered capital has been CNY 863 million by December 2015. Group has already established four production bases in the Yongfeng, Konggang and Changpin, and owns 18 holding companies, we have set up comprehensive market channel and technology cooperation by many well known enterprises in the worldwide and exported to more than 50 countries and regions.

 

 

FEATURES   AND APPLICATIONS

Grade

Alloy Features

Applications

2200,2700,8620,9310

Case Hardenable

Firearms, Consumer Goods, General Industrial,   Wood and Metal Cutting

400 Series

General Purpose F

52100

High Wear Resistance

 

 

ALLOY   COMPOSITION

Element

MIM   4605

MIM   4140

MIM   4340

MIM   2700

(FN08)

MIM   2200

(Fe-2Ni)

MIM   52100

MIM   8620

MIM   9310

MIM   430L

C

.4-.6

.3-.5

.3-.5

.1 max

.1 max

.8-1.2

.15-.23

.2 max

.05 (max)

Si

1.0 max

.6 max

.5 max

1.0 max

1.0 max

-

1.0 max

-

1.0 max

Cr

-

.8-1.2

.6-1.2

-

-

1.3-1.6

.4-.6

.3-.8

16-18

Mo

.2-.5

.2-.3

.5 max

.5 max

.5 max

-

.15-.25

.1-.25

-

Mn

-

1.0 max

.8 max

-

-

.25-.45

5 .7-.9

-

1.0 max

Fe

Bal.

Bal.

Bal.

Bal.

Bal.

Bal.

Bal.

Bal.

Bal.

Ni

1.5-2.5

-

1.25-2.0

6.5-8.5

1.5-2.5

-

.4-.7

2.5-3.5

-

Cu

-

-

-

-

-

.025 max

-

.025 max

-

Nb

-

-

-

-

-

.025 max

-

.025 max

-

 

 

TYPICAL   MATERIAL PROPERTIES

Material

Density   (g/cm3)

YS   (MPa)

UTS   (MPa)

Elongation   (%)

Unnotched   Charpy

impact   energy (J)

Macro   Hardness

Case   Hardened

Young’s   modulus (GPa)

MIM 4605 HT

7.55

1480

1650

1

55

43-48 HRC

-

210

MIM 4140 HT

7.5

1200

1600

5

75

43-48 HRC

-

200

MIM 4340 HT

7.5

1100

1200

6

-

40-45

-

-

MIM 2700


250

400

12

175

69 HRB

50-56 HRC

190

MIM 2200


125

280

35

135

45 HRB

56-62 HRC

190

MIM 52100 HT

7.5

1100

1500

2

-

55-62 HRC

-

-

MIM 8620

7.5

130

320

25

-

100 HRB

-

--

MIM 9310

7.5

350

540

15

-

375 HV1

56-62 HRC



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Email: [email protected]

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