Spring wire type

Mark

Name

Application characteristics

G(kgf/mm2)

Specific gravity(g/cm3)

Minimum wire diameter(mm)

Maximum wire diameter(mm)

SWB

Mild steel wire

General

7000

7.85

0.1

10

SWB

Hard steel wire type B

General

8000

7.85

0.1

10

SWC

Hard steel wire type C

General

8000

7.85

0.1

10

SWPA

Piano Wire Type A

General

8000

7.85

0.1

10

SWPB

Piano Wire Type B

General

8000

7.85

0.1

6

SWOA

Oil tempering wire type A

General use

8000

7.85

2

12

SWOB

Oil tempering wire type B

General use

8000

7.85

2

10

SUS304

Stainless steel wire No. 1

General use, corrosion resistant

7000

8.02

0.1

8

SUS302

Stainless steel wire No. 2

General use, corrosion resistant

7000

8.02

0.1

10

BeCuW

Beryllium copper wire

Conductive, non-magnetic, corrosion-resistant

4500

8.6

0.4

3

PBW(2)

Phosphor bronze wire 2 types

Conductive, non-magnetic, corrosion-resistant

4300

8.8

0.1

5

PBW(3)

Phosphor bronze wire 3 types

Conductive, non-magnetic, corrosion-resistant

4300

8.8

0.1

5