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         Cast Iron with Spheroidal Graphite Grade VCH80

 
The classification, chemical composition, mechanical properties, hardness, equivalent steels, specification of grey cast iron grade VCH80.

Grade:

VCH80  ( BЧ80 )

Classification:

Cast iron with spheroidal graphite


Chemical composition in % for grade VCH80 (BЧ80)

C

Si

Mn

Ni

S

P

Cr

Cu

3.2-3.6

2.6-2.9

0.4-0.7

max 0.6

max 0.01

max 0.1

max 0.15

max 0.6


Mechanical properties under Т=20oС for grade VCH80 (BЧ80)

Assortment

Dimension

Direct

sв

sT

d5

y

KCU

Heat treatment

-

mm

-

MPa

MPa

%

%

KJ/m2

-

Casting,GOST7293-85

 

 

800

480

2

 

 

 

 

Brinell hardness for VCH80 ( BЧ80 )          GOST 7293-85

HB 10 -1= 248 - 351   MPa


Equivalent steels for grade VCH80 (BЧ80)

USA

-

120-90-02

 

Germany

DIN,WNr

GGG80

 

Japan

JIS

FCD80

FCD800

France

AFNOR

FGS800-2

 

England

BS

800/2

 

European

EN

EN-GJS-800-2

EN-JS1080

Italy

UNI

GS800-2

 

Belgium

NBN

FNG80-2

 

Spain

UNE

FGE80-2

 

China

GB

QT800-2

 

Sweden

SS

0864-03

 

Bulgaria

BDS

800-2

 

Poland

PN

Zs80002

ZS8002

Czechia

CSN

422308

 

Finland

SFS

GRP800

 

Australia

AS

800-2

 

Inter

ISO

800-2

 

India

IS

SG800/2

 

Luxembourg

-

FNG80-2

 

 

Specification:

Mechanical properties: 
sв - Tensile strength, [MPa] 
sT - Yield stress, [MPa] 
d5 - Specific elongation at fracture [%]  
y - Reduction of area, [%]  
KCU - Impact strength, [kJ/ m2 
HB - Brinell hardness, [MPa]  

 

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