Tel : 0086-0371-86172891
Tel : 0086-0371-86172891
SWCH33K carbon steel wire rods for cold heading
SWCH33K carbon steel wire rods is killed steel . SWCH33K is in the Japanese Industrial Standard JIS G3507 Part 2 : Wires .
Standard : JIS G3507
Grade : SWCH33K
Size of wire diameter : 5.5-34mm
SWCH33K 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 SWCH33K 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 .
SWCH33K steel wire rods for screws mechanical properties :
|
Grade |
process methods |
Tensile strength MPa |
Reduction of area % |
(Informative) |
|
SWCH33K |
process DA |
≥620 |
≥55 |
≤92 |
SWCH33K cold heading steel wire rods application:
SWCH33K 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 .
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