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Centrifugally Cast Valve Seat Rings

   The past success and failure build LAWAI up

The atmosphere is filled with the happiness shared among each parameter

The legend of centrifugal casting is created

 

 Materials of Centrifugally Cast Valve Sear Rings

 PLEASE SCROLL DOWN, YOU'LL FIND THE TABLES OF GRADE

  Wear-resistant alloys

  Custom alloys ( This is what we can do for you )   


Dimensions of Centrifugally Cast Valve Sear Rings

 ALL ARE CUSTOMIZED      

  Based on your drawings and requirements 

  Diameter:  Up to 600 mm 


Applications of Centrifugally Cast Valve Sear Rings

 WE'LL DO THE BEST TO ASSIST YOU WITH ANY CASE

  Automotibe industry for both inlets and outlets diesel engines

  Marine drive systems

  Others


Features of Centrifugally Cast 
Valve Sear Rings

  Centrifugal casting is without casting defects and holes

  One-piece construction - always better than weld

  Saving cost beacause of long lifetime 

  Mechanical properties are almost equal to forging

  For the better world, recycled alloys will be used if the project suits 

  Made in Taiwan is always beyond your expectation 

 

Special Irons
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
Ni-resist 1 A436 Type 1 F41000
Ni-resist 2 A436 Type 2 F41002
Ni-resist 3 A436 Type 3 F41004
Ni-resist 4 A436 Type 4 F41005
CD-2 (≈ D-2 Tool Steel) A597 CD-2 T30402
CD-5 (≈ D-5 Tool Steel) A597 CD-5 T30405
Type D-2 (≈Ductile Ni-Resist) A439 Type D-2 F43000
Type D-2B (≈Ductile Ni-Resist) A439 Type D2-B F43001
Type IIB (≈15-3CrMo White Iron) A 532 Class IIB F45005
Type IIIA (HC-250) A 532 Class IIIA F45009
Stainless Steel – 300 Series
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
CF8 A351/743/744 CF8 J92600 304 S30400
CF3 A351/743/744 CF3 J92500 304L S30403
CF8M A351/743/744 CF8M J92900 316 S31600
CF3M A351/743/744 CF3M J92800 316L S31603
CK20 A351/743/744 CK20 J94202 310 S31000
CF8C A351/743/744 CF8C J92710 347 S34700
CG8M A351/743/744 CG8M J93000 317 S31700
CG3M A351/743/744 CG3M J92999 317L S31703
CF10SMnN ( Nitronic 60 ) A351/743/744 J92972
CG6MMN ( Nitronic 50 ) A351/743/744 J93790
CN7M (≈ 20Cb-3) A351/743/744 N08020
CF3M-HM
CH20 (≈ 309) A351/743 J93400
CD20N (≈ CE20N) A351/451 N08007
Nitronic 33
Nitronic 40
CN7MS A744 J94650
CN3MN A743/A744 J94651
CK3MCuN (≈254SMO)
RA330
Stainless Steel – Duplex
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
1A CD4MCu A 351 /A 890 J93370
4A CD3MN A890/A995 4A CD3MN J92205 2205 S31803
CD7MCuN A890 1C CD3MCuN J93373 S32550
1B CD4MCuN A890/A995 1B CD4MCuN J93372
DPX-1B MOD
5A CE3MN A890/A995  5A CE3MN J93404 2507 S32750
CE8MN A890/A995  2A CE8MN J93345
CD3MWCuN A890/A995  6A CD3MWCuN J93380 Z100 S32760
Stainless Steel – Precipitation Hardening
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
CB7Cu-1 A747 Gr CB7Cu-1 J92180 17-4PH S17400
CB7Cu-2 A747 Gr CB7Cu-2 J92110 15-5PH S15500

 LAWAI is the No. 1 Centrifugally Cast Valve Seat Rings manufacturer in Taiwan. We provide customized Centrifugally Cast Valve Seat Rings for our clients all over the world. The Centrifugally Cast Valve Seat Rings produced in LAWAI – reliable and beyond your expectation!