Manganese Brass Rods

As per ASTM B 138—58

CHEMICAL REQUIREMENTS

                                                                                                         Alloy A                                 Alloy B

                                                                                                            %                                       %

                Copper                                                                               57-60                                    63-68

                Tin                                                                                     0.5-1.5                                  0.5 max

                Iron                                                                                    0.8-2                                     2-4

                Aluminium                                                                          0.25 max                               3-6

                Manganese                                                                        0.05-0.5                                 2.5-5

                Zinc                                                                                   Remainder                            Remainder

PHISICAL PROPERTIES

                Tensile strength                        

                Alloy A                                          ..                 ..                 ..      53 kg/mm²-min

                Alloy B                                     ..                 ..                 ..      80 kgs/mm²-min

                Elongation                                              

                Alloy A                                        ..                 ..                 ..      25%-min

                Alloy B                                         ..                 ..                 ..      10%-min

USES

                Extra Heavy-duty high strength alloy for large valves, stems, gears bearings, shafting and hydraulic

                Cylinder parts

1  High Conductivity Free Machining
    Copper Rods

2  Copper-Nickel-Alloy Rods

3  Copper Rods & Tubes for General
    Engineering Purposes

4  Nickel Silver Alloy Rods

5  Free Cutting Brass Rods

6  Brass Tubes 63/37

7  Manganese Brass Rods

8  Aluminium Brass Rods

9   Aluminium Silicon Bronze Rods

10 High Conductivity Electrolytic Copper      Rods and Tubes

11 British Standard Specifications for the      Principal

12 Non-Ferrous Casting Alloys

13 Aluminium Casting, Alloys for General      Engineering Purposes (Related      specification and trade name)

14 Table of sizes, weights & Lengths of       copper wire

15  Wrought Alloys and related British       and American Specifications