Gunmetal is famously known as Red Brass in United States, as it largely been replaced by steel. The Gunmetal Round Bars & Rods contain a high amount of copper, tin, and zinc. By changing the chemical compositions they classified in a variety of material grades like Gunmetal Alloy C90500, Gunmetal Alloy C90300, and Gunmetal Alloy C23000, etc.

Specifications of Gun Metal Round Bars

Specifications

ASTM B62 / ASTM SB62

Dimensions

EN, DIN, JIS, ASTM, BS, ASME, AISI

Size

5 mm To 500 mm

Diameter

0.1 mm to 100 mm

Length

100 mm To 3000 mm Long & Above

Finish

Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

Tolerance

H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements

Form

Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Gun Metal Round Bars Mechanical Properties

Grade B.S. 1400: 1985

Nominal Composition

2% PS N/mm Min

Tensile Strength N/mm Min

Elongation % Min

Brinell Hardness Min

G1/BC3

32418

-

245

15

-

G1/BC2

32359

-

245

20

-

LG1

88/3/9/5

85

180

15

60

LG2

85/5/5/5

90

200

13

60

LG3

86/7/5/2

-

-

-

-

LG4

88/7/2/3

130

230

14

65

BC1

82/3/10/5

-

165

15

-

BC6

85/5/5/5

-

215

18

-

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