IS 319 GR I Free Machining Brass

IS 319 GR I Free Machining Brass Specification

Tolerance
1.5 to 125 Millimeter (mm)

Application
Automotive, Builders Hardware, Consumer Fasteners, Industrial Plumbing

Size
1.5mm to 125mm

Material
Brass

Processing Type
Extruded & Drawn

Finish
Extruded & Drawn

Product Type
Bars, Rods, Billets, Coils, Hollows, Ingots

Surface Finishing
Bright

Usage
Automotive, Builders Hardware, Consumer Fasteners, Industrial Plumbing

Dimension (L*W*H)
16 Foot (ft)

Color
Golden

Grade
IS 319 GR I

Alloy
Yes

Temper
1/2 Hard

Length
16 Foot (ft)

Shape
Round

Diameter
1.5 Millimeter (mm)

Warranty
NA

IS 319 GR I Free Machining Brass Trade Information

Minimum Order Quantity
2000 Kilograms

Delivery Time
4 Week

About IS 319 GR I Free Machining Brass

IS 319 Gr I, Free cutting brass, is a significantly improved form of 60/40 brass, with excellent free cutting properties. It is used in the mass production of brass components where maximum output and longest tool life are required, and where no further cold forming after machining is required.

Chemical Composition

Elements	Min (%)	Max (%)
Cu	56.00	59.00
Pb	2.00	3.50
Fe	-	0.35
Total Others	-	0.70
Zn	Remainder

Mechanical Properties According To 319 Gr I (As Per Temper HB)

Range (mm)	From	To	UTS Min (MPa)	PS Min	Elongation Min (%)	Hardness Min (HV)	Hardness Max (HV)
Round (Dia)	6	12	405	-	4	125	155
12	25	395	-	6	120	150
25	50	355	-	12	110	140
50	75	325	-	17	100	130
Hex (A/F)	6	12	405	-	4	125	155
12	25	395	-	6	120	150
25	50	355	-	12	110	140
50	70	325	-	17	100	130
Square (A/F)	6	12	405	-	4	125	155
12	25	395	-	6	120	150
25	50	355	-	12	110	140
50	60	325	-	17	100	130
Rectangle (Thickness	6	12	405	-	4	125	155
12	25	395	-	6	120	150
25	50	355	-	12	110	140

Physical Properties

Melting Point Liquidus F	1630
Melting Point Solidus F	1610
Density lb/cu in. at 68F	0.306
Specific Gravity	8.47
Electrical Conductivity% IACS at 68F	28
Thermal Conductivity Btu/ sq ft/ ft hr/ F at 68F	71
Coefficient of Thermal Expansion 68-57210 per F (68 572F)	11.6
Specific Heat Capacity Btu/ lb /F at 68F	0.09
Modulus of Elasticity in Tension ksi	14000
Modulus of Rigidity ksi	5300

Fabrication Properties

Technique	Suitability
Soldering	Excellent
Brazing	Good
Oxyacetylene Welding	Not Recommended
Gas Shielded Arc Welding	Not Recommended
Coated Metal Arc Welding	Not Recommended
Spot Weld	Not Recommended
Seam Weld	Not Recommended
Butt Weld	Fair
Capacity for Being Cold Worked	Poor
Capacity for Being Hot Formed	Excellent
Machinability Rating	90