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JFS Steel's Speicial Steel Material and Machining Services

Ju Feng Special Steel Co., Ltd. is an industrial steel materials, steel parts and steel machining 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 special steel materials and steel machining solutions since 2006. With both highly skilled technology and 47 years of experience, JFS Steel always makes sure to meet each customer's demands.

Steel Grades

Grades Chart

JuFeng provide material grade of various countries for customers to refer.

Material grade comparison table

specification / material Japan
JIS
USA
AISI
China
GB
Germany
DIN
Inter
ISO
EU
EN
Carbon SteelSS400 A529 Q235RSt42-2
St 44-2
E275BS275JR 
S15C1015  15 C15
CK15
C15E4C15E
S25C 1025 25 CK25C25E4C25E
S45C104545CK45C45C45E
C45
S50C 1050- CK50 C50E4 C50E 

 Chromium Alloy Steel

SCM415
(SCM21)
--15CrMo515CrMo515CrMo5
SCM420
(SCM21)
4118-25CrMo425CrMo425CrMo4
SCM440
(SCM4)
4140-42CrMoS442CrMoS442CrMoS4

Nickel Chromium Molybdenum Alloy Steel

SNCM220
(SNCM21)
862020CrNiMo20MoCr421NiCrMo220NiCrMo2-2
SNCM420
(SNCM23)
432020CrNi2Mo---
SNCM439
(SNCM8)
434040CrNiMo40CrNiMo--

Aluminum Chromium Molybdenum Alloy Steel

SACM645 C1.D- 34CrA1Mo5--
Mold SteelSKD11D2Cr12Mo1V1X155CrVMo121--
SKD61H134Cr5MoSiV1X40CrMoV5-1-X40CrMoV5-1
-----
Bearing SteelSUJ2 52100Cr2
GCr15
100Cr6-102Cr6
High Carbon Steel SK2--C125W-C120U
SK3 W5 C105W1 T10A C105U C105U 
SKS3---- 95MnWCr5 
SK4 W110 T10 C105W2- C90U
Free Cutting SteelSUM231215Y139SMn36--
12L14-9SMnPb36--
SUM431144----