Item 

Description 

Material 

Technical process

1

Ductile iron castings

ASTM 、

A 536-Gr.60-40-18,65-45-12,80-55-06,80-60-03;                         

DIN-GGG40,GGG50,GGG60,GGG70;

 JIS-FCD40,FCD50,FCD60,FCD70;

 BS-Gr370-17,Gr420-12,Gr500-7,Gr600-3,Gr700-2; 

Green-sand moulding   

Resin-sand moulding    

Lost foam cast               

Shell-core cast             

Electric-furnace smelting

2

Grey iron castings

ASTM A48-No.20,25,30,35,40,45,50;  

ASTM A126-Class A,Class B,Class C;     

DIN-GG10,GG15,GG20,GG25,GG30,GG35;  

JIS-FC10,FC15,FC20,FC25,FC30,FC35;  

BS-Grade 150,180,220,260,300,350;       

NF-FGL150,FGL200,FGL250,FGL300,FGL350;

Soluble glass sand

moulding            

Resin-sand moulding    

 Lost wax casting (investment   casting )               

Lost foam cast         

Shell-core cast             

Electric-furnace smelting

3

Carbon steel castings 

ASTM A216-Gr.WCB,Gr.WCA,Gr.WCC;    

ASTM-415-205,450-240,485-275,80-40;  

 DIN-GS-C25(1.0619),GS-38(1.0416),GS-45(1.0446),  GS-52(1.0552),GS-60(1.0558;                    

GIS-SC410,SC450,SC480,SCC5;BS-A1,A2,A5;  

 NF-GE230,GE280,GE320,GE370;

Soluble glass sand moulding            

Resin-sand moulding    

 Lost wax casting (investment casting )         

 Electric-furnace smelting

4

Stainless steel castings

ASTM-CF-8M,CF-8,CA15,CA40,316,304;  

dIN-G-X6CrNi18 9(1.4308),G-X7Cr13(1.4001),   

 G-X20Cr14(1.4027),1.4408;   

JIS-SCS13,SCS1,SCS2,SCS14A;    

BS-304C15,410C21,420C29,316,304;   

NF-Z6CND18.12M,Z6CN18.10M,Z12C13M,Z20C13M

Soluble glass sand moulding            

Resin-sand moulding   

Lost wax casting (investment casting )         

 Electric-furnace smelting

5

Alloy steel castings

DIN-GS-40Mn5(1.1168),GS20Mn5(1.1120);    

GS-37MnSi5(1.5122),GS34CrMo4(1.7220); 

JIS-SCMn3,SCW480,SCSiMn2,SCCrM3,SCMnCR3;   

ASTM-LCC;

UNS-J02505,J13048;      

NF-G20M6,G35CrMo4

Soluble glass sand moulding            

Resin-sand moulding     

Lost wax casting (investment casting )         

 Electric-furnace smelting