Type

Code

1/8 Hard

H00

1/4 Hard

H01

1/2 Hard

H02

3/4 Hard

H03

Hard

H04

Extra Hard

H06

Spring

H08

Extra Spring

H10

Special Spring

H12

Ultra Spring

H13

Super Spring

H14

Extruded and Drawn

H50

Pierced and Drawn

H52

Light Drawn, Light Cold Rolled

H55

Drawn General Purpose

H58

Cold Heading and Forming

H60

Rivet

H63

Screw

H64

Bolt

H66

Bending

H70

Hard Drawn

H80

Medium Hard Drawn Electrical Wire

H85

Hard Drawn Electrical Wire

H86

As Finned

H90

As Sand Cast

M01

As Centrifugal Cast

M02

As Plaster Cast

M03

As Pressure Die Cast

M04

As Permanent Mold Cast

M05

As Investment Cast

M06

As Continuous Cast

M07

As Hot Forged and Air Cooled

M10

As Forged and Quenched

M11

As Hot Rolled

M20

As Hot Extruded

M30

As Hot Pierced

M40

As Hot Pierced and Rerolled

M45

H01 Temper and Stress Relieved

HR01

H02 Temper and Stress Relieved

HR02

H04 Temper and Stress Relieved

HR04

H08 Temper and Stress Relieved

HR08

H10 Temper and Stress Relieved

HR10

As Finned

HR20

Drawn and Stress Relieved

HR50

H04 Temper and Order Heat Treated

HT04

H08 Temper and Order Heat Treated

HT08