Bras Rods are classified as Round or Hexagonal according to their geometrical properties; and classified as Forging (stamping) or Free Cutting (Drawn) rods according to their chemical and physical properties.

Below, you can find the tables showing the physical and chemical and size/tolerances details of the brass rods we manufacture:

Chemical Properties:

  Alloy Symbol Copper(%Cu) Lead(%Pb) Zinc(%Zn) Aluminium(%Al) Iron(%Fe) Nickel(%Ni) Tin(%Sn) Others(%)
Free Cutting Rods

ISO:CuZn39Pb3

EN:CW614N

US:C38500

57.00

59.00

2.50

3.50

38.00

40.00

0.00

0.05

0.00

0.30

0.00

0.30

0.00

0.30

0.00

0.20

Forging Rods

ISO:CuZn40Pb2

EN:CW617N

US:C38000

57.00

59.00

1.50

2.50

38.00

40.00

0.00

0.05

0.00

0.30

0.00

0.30

0.00

0.30

0.00

0.20

Physical Properties:

  Alloy Symbol Yield Strength Round Dia. (mm) Hexagonal(mm) Tensile Strength(kg/mm2) Elongation at Break(%) Hardness(Brinell)
Free Cutting Rods

ISO:CuZn39Pb3

EN:CW614N

US:C38500

F 36

F43

F50

Min.10

Maks.40

Maks.14

Min.8

Maks.40

Maks.12

36

43

50

32

15

11

90

125

145

Forging Rods

ISO:CuZn40Pb2

EN:CW617N

US:C38000

Up to need   Not Specified Not Specified Not Specified Not Specified

Sizes and Tolerances:

Round Free Cutting Rods Hexagonal Free Cutting Rods Forging Rods
Dia.Tolerance acc.to DIN 1756/1969. Size Tolerance acc.to DIN 1763/1969 Dia. Tolerance acc.to DIN 1782/1969
4-6mm : -0.05mm 4-6mm : -0.08mm 6-10mm : +/-0.20mm
7-10mm : -0.06mm 7-10mm : -0.09mm 11-18mm : +/-0,25mm
11-18mm : -0.07mm 11-18mm : -0.11mm 19-30mm : +/-0.30mm
19-30mm : -0.08mm 19-30mm : -0.13mm 19-30mm : +/- 0.30mm
31-50mm : -0.16mm 31-50mm : -0.16mm 31-60mm : +/-0.60mm
51-80mm : -0.19mm 51-80mm : -0.19mm 51-80mm : +/-0.70mm