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  NS11 301 SJK-500 Ductile Cast Iron  
 

SJK-500 is a middle grade of ductile cast iron in Norway standard NS11 301. It offers good tensile strength and a satisfactorily high yield point combined with good toughness.

The Chemical Properties of NS11 301 SJK-500 ductile cast iron
Normally, the clients will not require the chemical composition, and in international standards, such as ISO 1083, ASTM A536, DIN 1693, UNI 4544 and AS 1831, there are no mandatory stipulation to the chemical composition. Actually, from different standards, their suggested chemical compositions are very different, but all of them denoted that the chemical composition should just be reference, and will not be taken as quality inspection standard.

Of course, if you need to stipulate the chemical composition to meet the special application, then you should denote the allowable chemical element range on the drawings or in your requirements.

The Mechanical Properties of NS11 301 SJK-500 ductile cast iron
-From Norway NS 11 301:1981

Norway NS11 301 SJK-500 Ductile Cast Iron

Grade

Tensile strength
Rm, min.

Proof stress
Rp0,2, min.

Elongation
A, min.

Hardness

N/mm2

kgf/mm2

tonf/in2

N/mm2

kgf/mm2

tonf/in2

%

HB

SJK-500
(NS 11350)

500

51.0

32.4

320

32.6

20.7

7

170-230

Cross reference table for Cast iron SJK-500 (NS) and its European equivalent EN-GJS-500-7 (5.3200) (EN)

EU
EN

USA
-

Germany
DIN,WNr

Japan
JIS

France
AFNOR

England
BS

European old
EN

Italy
UNI

Belgium
NBN

EN-GJS-500-7 (5.3200)

70-50-05

0.7050
GGG50

FCD500
FCD500-7

500-7
FGS500-7

500/7

EN-JS1050

GS500-7

FNG50-7


Spain
UNE

China
GB

Sweden
SS

Bulgaria
BDS

Hungary
MSZ

Poland
PN

Czechia
CSN

Finland
SFS

Austria
ONORM

FGE50-7

QT500-7

0727-02
27-02

450-5
500-2

GoV50

ZS4505
ZS50007
ZS5002

422305

GRP500

GGG500
SG50


Australia
AS

Norway
NS

Russia
GOST

Inter
ISO

India
IS

Netherlands
NEN

Denmark
DS

Luxembourg
-

COPANT
-

500-7

SJK-500

VCH50

500-7
500-7/S
500-7/U

SG500/7

GN50

0707

FNG50-7

FMNP55005

 

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