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Grinding rod SGHM-3 (C: 0.65%, Mn: 0.90%)

1. Chemical Composition Product Name: Grade Chemical Composition (%) C Si Mn Cr Mo Cu P S Grinding Rod SGHM-3 0.62–0.70 0.17–0.37 0.9–1.2 ≤0.25 Max ≤0.20 ≤0.10 ≤0.035 ≤0.035 2. Hardness, Diameter Tolerance, and Unit Weight of Grinding Rod Grade/Model (mm) Model (in.) Section Diameter Tolerance (mm) Unit Weight (kg/m) Rockwell Hardness (HRC) Brinell Hardness (BHN) SGHM-3 Φ40 1 1/2 ±0.5 9.86 745 Min 42 Min Φ50 2

Keywords:

Grinding rod SGHM-3 (C: 0.65%, Mn: 0.90%)

Category:

High-manganese wear-resistant steel bar

Email:

sgnmcl@126.com

Service Hotline:

+86-315-5507099

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Product Description

1. Chemical Composition

Product Name

Grade

Chemical Composition (%)

C

Yes

Mn

Cr

Mo

Cu

P

S

Grinding rod

SGHM-3

0.62-0.70

0.17-0.37

0.9-1.20

0.25Max

≤0.20

≤0.10

≤0.035

≤0.035

 

 

2. Rod hardness, diameter tolerance, and unit weight

Grade

Model number
(millimeters)

Model number
(inch)

Section diameter tolerance
(millimeters)

Single weight
(kilograms per meter)

Rockwell hardness
(HRC)

Brinell hardness
(BHN)

SGHM-3

Φ40

1 1/2

+/- 0.5

9.867

45 Min

421 Min

Φ50

2

+/- 0.5

15.417

Φ60

2 2/5

+/- 0.7

22.2

Φ70

2 3/4

+/- 0.8

30.218

Φ80

3 1/6

+/- 0.9

39.469

Φ90

3 1/2

+/- 0.9

49.953

Φ100

4

+/- 1.0

61.67

　　Hardness testing of steel bars: After production, remove a 3-mm layer of oxide scale from the bar surface, then perform the hardness test.

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