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Special Steel for Fine blanking

Characteristic

This materials have higher spheroidizing rates of carbide than normal annealed materials,
and the carbide exist uniformly in the steel structure.

Manufacturable range

Type of steel Thickness(mm) Width(mm)
S20C 4.0~7.0 730~950
S35C 4.0~7.0 730~950
S45C 3.0~6.0 730~950
SCr420 3.0~6.5 730~950
SCM415 3.0~6.5 730~950
SCM420 3.0~6.5 730~950
SNCM220 4.0~6.5 730~950

Chemical Composition

Chemical Composition(%)
Type of steel C Si Mn P S Ni Cr MO
S20C 0.18~0.23 0.15~0.35 0.30~0.60 0.020max 0.014max 0.25max 0.20max
S35C 0.33~0.38 0.15~0.35 0.60~0.90 0.020max 0.014max 0.25max 0.20max
S45C 0.42~0.48 0.15~0.35 0.60~0.90 0.020max 0.014max 0.25max 0.20max
SCr420 0.18~0.23 0.15~0.35 0.60~0.85 0.020max 0.014max 0.25max 0.90~1.20
SCM415 0.13~0.18 0.15~0.35 0.60~0.85 0.020max 0.014max 0.25max 0.90~1.20 0.15~0.30
SCM420 0.18~0.23 0.15~0.35 0.60~0.85 0.020max 0.014max 0.25max 0.90~1.20 0.15~0.30
SNCM220 0.17~0.23 0.15~0.35 0.60~0.90 0.020max 0.014max 0.40~0.70 0.40~0.65 0.15~0.30

Mechanical properties



Annealed
Hardness
(HRB)
Hardening(HRB) Tempering(HRC)
Temperature
(℃)
Thickness(mm) Temperature
(℃)
Thickness(mm)
Type of steel <6.0 6.0≦ <6.0 6.0≦
S20C 82max
S35C 88max 840~890
water quenched
46min 46min 150~200
air cooled
43min 43min
S45C 91max 820~870
water quenched
53min 53min 150~200
air cooled
50min 50min
SCr420 93max 830~880
oil quenched
42min 39min 150~200
air cooled
22min 21min
SCM415 90max 850~900
oil quenched
30min 24min 150~200
air cooled
24min 22min
SCM420 90max 850~900
oil quenched
34min 31min 150~200
air cooled
30min 27min
SNCM220 88max 850~900
oil quenched
30min 25min 150~200
air cooled
27min 24min

For more information on Nisshin Steel materials, click the link below.
Click here for hot rolled catalog
Click here for cold rolled catalog

Notice

These material information in this page is based on Nisshin Steel Co.,Ltd. product catalog.

There are some cases maker do not accept the production depending on the production lot and specification.

Technical information in this website,while every reasonable effort was made to ensure the accuracy at the time of this publication, is general information relating to our products only and is not meant as any warranty,expressed or implied.
Such technical information does not guarantee that any of our products are suitable for your particular application or purpose. Use of any information contained in this website shall be at user's risk. Any information in this website is subject to change without prior notice. Please contact our company for up-dated information.

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5-26, 5-Chome, Nankominami, Suminoe-ku, Osaka, JAPAN

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