SK2

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JFS Steel's SK2 and Steel Machining Service

Ju Feng Special Steel Co., Ltd. is an industrial steel materials, steel parts and steel-related services supplier from Taiwan. Along with steel bars, steel plates and steel tubes supply, steel cutting, drilling, machining and heat treatment services are also provided.

JFS Steel has been offering customers SK2 High Carbon Steel and precision steel machining services since 2006. With both highly skilled technology and 47 years experience, JFS Steel always makes sure to meet each customer's demand.


SK2

High Carbon Steel

Equivalent Grades: GB T12, JIS G4401, SK2, ASTM W1A-11 1/2, W1C-11 1/2, DIN C125W2. SK2 is a kind of die steel for cold stamping with the good properties of high hardness, wear resistance, toughness, and machining. It is mainly used for turning cutters, milling cutters, drilling cutters, reamers, scrapers, gauge, cold trimming die with small section size, punching die, metal blade, and other tools.

Carbon tool steels

Purpose

SK2 is widely used in die tool steel.

International Comparison of Meterials

EU
EN
INTER
ISO
USA
AISI
JAPAN
JIS
GERMANY
DIN
CHINA
GB
FRANCE
AFNOR
ENGLAND
BS
----W1A-111/2SK2C125W2T12----

ITALY
UNI
SPAIN
UNE
SWEDEN
SS
POLAND
PN
FINLAND
SFS
AUSTRIA
ONORM
RUSSIA
GOST
NORWAY
NS
C120Ku----------U12--

**This comparison table is for reference only. The standards and grades of various countries have slightly different chemical compositions. Please refer to the database for details.**

Chemical Composition(JIS G4051)

碳(C)%矽(Si)%錳(Mn)%磷(P)%硫(S)%鎳(Ni)%鉻(Cr)%鉬(Mo)%銅(Cu)%
1.15-1.250.15-0.350.15-0.50≦0.030≦0.030≦0.250≦0.03--0≦0.25

Conditions of heat treatment

  • Annealing: 690~720℃
  • Hardening: 750~780℃ Oil Cooling
  • Tempering: 170~190℃ Water Cooling

Application

1. Dies for drawing, stretch form, burnishing, and others.
2. Dies with the small size, simple design, light loading, such as small punch, hand shear, etc.
3. Dies for small production and impact resistance.

Size Range

ShapeSize(mm)
Round Bar19, 25, 28, 30, 32, 34, 36, 38, 40, 44, 46, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130, 140, 150, 160, 180, 190, 200.