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SWCH22A carbon steel wire rods for cold heading

SWCH20K carbon steel wire rods for cold heading

SWCH22A carbon steel wire rods is Aluminum killed steel . SWCH22A is in the Japanese Industrial Standard JIS G3507 Part 2 : Wires .

Standard : JIS G3507
Grade : SWCH22A
Brand : JW steel
Size of wire diameter : 5.5-34mm

SWCH22A annealing steel wire rods process methods:

(1)Process D : The Process D means a process wherein wire rods are finished by cold working .
(1)Process DA : The Process D means a process wherein wire having been cold worked are annealed and further finished by cold working or a process wherein wire rods are finished by cold working after annealing .

The steel wire rods SWCH22A shall be manufactures by process D or DA . However ,manufacturing processes other than given above may be selected by agreement between the purchaser and the supplier .

SWCH22A steel wire rods for screws mechanical properties :

Grade

process methods

Division of wire diameter/mm

Tensile strength MPa

Reduction of area %

(Informative)Hardness HRB

SWCH22A

process D

3~4

≥690

≥45

-

4~5

≥570

>5

≥470

≤98

process DA

-

≥440

≥55

≤88

Remarks:
For wires of 20mm or over in wire diameter,the reduction of area shall be value 5 lower than the value in table 2 .For those of diameter 3mm or less,the reduction of area is not specified .

SWCH22A cold heading steel wire rods application:
SWCH22A steel wire rods for cold heading is used for the manufacture of various types of screws such as bolts,nuts,rivets,machine screws and tapping screws and various parts by cold heading .

 

Related Link : SWCH41K carbon steel wire rods for cold heading , SWCH40K carbon steel wire rods for cold heading , SWCH38K carbon steel wire rods for cold heading , SWCH35K carbon steel wire rods for cold heading

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