A plain carbon steel with a nominal 0.15% carbon content / Made in Taiwan Steel Round Bars & Steel Tubes Manufacturer | JFS Steel

Ju Feng provides S15C, GB 15, JIS S15C, ASTM 1015, and DIN C15, Ck15, Cm15. / Professional Steel Supplier & Service Integration.

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S15C | Over 47 Years Steel CNC Turning & Milling Services | JFS Steel

Located in Taiwan since 2006, Ju Feng Special Steel Co., Ltd. has been a metal bars and steel tubes manufacturer. Their main steel products, include S15C, steel bars, steel plates and steel tubes, as well as CNC steel cutting, drilling, machining and heat treatment services.

Ju Feng Special Steel Co., Ltd. (JFS) was originally founded as a construction company 47 years ago, and since 2006 JFS has successfully expanded into the Special Steel Industry, becoming the leading supplier in Taiwan of various kinds of special steel bars, steel plates, and steel tubes as wholesaler or retailer. In recent years, Ju Feng can provide not only material cutting services but also CNC machining services (a complete machining process from raw material to semi-finished or finished product) for our customers around the world. With more than 47 years successfully expanded into the Special Steel Industry which a leading supplier of special steel material in Taiwan.

JFS Steel has been offering customers stainless steel bars and tubes, and precision steel machining services since 2006, both with advanced technology and 47 years of experience, JFS Steel ensures each customer's demands are met.

S15C - Ju Feng provides S15C, GB 15, JIS S15C, ASTM 1015, and DIN C15, Ck15, Cm15.
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S15C

Low Carbon Steel

S15C has low mechanical strength, good plasticity and toughness, easy molding under cold conditions, good workability under forging or standardization conditions, it is also easy cutting and good welding performance. Carburizing and cyanidation can be carried out to increase the surface hardness.

Application in the manufacture of low-strength welded parts, cold stampings, forgings and carburized parts such as bolts, washers, partitions, clutch parts, bearing parts, safety buckles, etc.

A plain carbon steel with a nominal 0.15% carbon content

Purpose

S15C is widely used in mechanical structural steel.

International Comparison of Materials

EU
EN		INTER
ISO		USA
AISI		JAPAN
JIS		GERMANY
DIN		CHINA
GB		FRANCE
AFNOR		ENGLAND
BS
C15E  C15E4 1015
1016		 S15C C15
Ck15		 15 C18RR
XC12
XC15		 040A15
080M15
CS17

ITALY
UNI		SPAIN
UNE		SWEDEN
SS		POLAND
PN		FINLAND
SFS		AUSTRIA
ONORM		RUSSIA
GOST		NORWAY
NS
C15 C16k 1370 15 505 RC15 15 NS12142

**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)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.13-0.18 0.15-0.35 0.3-0.6 0≦0.03 0≦0.035 0≦0.2 0≦0.2 0≦0.3

Conditions of heat treatment

  • Annealing: 880℃ Furnace Cooling
  • Normalization: 880~930℃ Air Cooling

Mechanical properties

Tensile strength (kgf/mm²): ≧38
Yield strength (kgf/mm²): ≧24
Elongation (%): ≧30
Cross section reduction rate (%): ≧30
Hardness (Hb): 111~167

Size Range

Shape Size(mm)
Round Bar 13 15 16 17 18 19 20 21 22 23 24 25
26 27 28 30 32 34 36 38 40 42 44 45
46 48 50 53 55 57 60 62 65 67 70 72
75 80 82 85 87 90 92 95 100 105 110 115
120 125 130 135 140 145 150 160 170 180 190 200
210 220 230 240 250 260 270 280 290 295 305 　
Steel Application
  • Bearing Shaft - Ju Feng offers the steel material that can be used for bearing shaft.
    Bearing Shaft

    There must be a shaft in the motor, which is mainly used to drive the motor and generate kinetic energy for other devices. The materials for bearing shaft application that we recommend are as below.