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Large Rings ( centrifugal casting )

LAWAI is the Taiwanese centrifugal casting foundry able to produce custom large rings by centrifugal casting technique

LAWAI is the only centrifugal casting foundry in Taiwan able to produce custom large rings for local and overseas customers

 

LAWAI is the centrifugal casting manufacturer in Taiwan specialized in producing stainless steel & special alloy tubes, sleeves and rings. Custom large rings are one of the centrifugal casting products we produce in high frequency. 

 

LAWAI’s large rings are not only for high-performance valves, butterfly valves and semiconductor industries but also for high-temperature applications. 

Most LAWAI’s customers purchase our blank large rings ( pre-machined surfaces) and do the finish machining by themselves. 

If customers need finish machined large rings, we will machine them by ourselves or cooperate with outsourcing machine shop based on the complexity of the large rings. 

 

  • The common materials of large rings including stainless steel 300 series, 400 series, duplex stainless steel, 17-4PH,  Ni-resist, heat-resist alloys and Nickel-based alloys.  Please send us the chemical composition if the materials above do not fit your applications. 

 

  • The diameter we produce for large rings is smaller than 400 mm. (Max. OD is around 400 mm)

 

  • The main applications of our large rings are marine, valve, oil & gas, petrochemical, semiconductor industries …etc. 

 

Please let us know your demands of large rings via the left inquiry form or email, LAWAI team are ready to produce valuable large rings for you. 

The custom large rings made at LAWAI, made in Taiwan are good enough for all your applications!

 

LAWAI INDUSTRIAL CORPORATION

No.1283-1, Ren-ai Road, Chunan Township, 

Miaoli County, Taiwan

 

 

Stainless Steel – 300 Series & Others
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
CF8 ( EN 1.4308 ) A351/743/744 CF8 J92600 304 S30400
CF3 ( EN 1.4309 ) A351/743/744 CF3 J92500/J92700 304L S30403
CF8M ( EN 1.4408 ) A351/743/744 CF8M J92900 316 S31600
CF3M ( EN 1.4409 ) A351/743/744 CF3M J92800 316L S31603
CK20 A351/743/744 CK20 J94202 310 S31000
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
CF3M-HM (Min. 2.75% Mo)
CH20 A351/743 J93402 309 S30900
CE20N A351/451 J92802
Nitronic 33
Nitronic 40
CN7MS A744 J94650
CN3MN A743/A744 J94651
CK3MCuN J93254 254SMO
RA330
Stainless Steel - 400 Series
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
CA15 ( EN 1.4011 ) A743 CA15 J91150 410
CA40 ( EN 1.4027 ) A743 CA40 J91153 420
CA6NM ( EN 1.4317 ) A743 CA6NM J91540 13-4, F6NM
CA40F A744 CAA40F J91154 420F
416 A582 416 416 S41600
Stainless Steel – Duplex
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
Duplex Stainless Steel CD4MCu A 351 / A 890 J93370 Duplex Stainless Steel 1A
Duplex Stainless Steel CD3MN ( EN 1.4470 ) A890 / A995 4A CD3MN J92205 Duplex Stainless Steel 2205 S31803
Duplex Stainless Steel CD7MCuN A890 1C CD3MCuN J93373 S32550
Duplex Stainless Steel CD4MCuN J93372 Duplex Stainless Steel 1B
Super Duplex Stainless Steel CE3MN ( EN 1.4469 ) A890 / A995 CE3MN J93404 Super Duplex Stainless Steel 2507 S32750
Duplex Stainless Steel CE8MN A890 / A995  2A CE8MN J93345 Duplex Stainless Steel Escoloy (2A)
Super Duplex Stainless Steel CD3MWCuN A890 / A995  6A CD3MWCuN J93380 Super Duplex Stainless Steel Zeron 100 (6A) 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
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
D-2M (DIN GGG-NiMn 23 4)
Heat-resistant Alloys
LAWAI ALLOY Cast Specifications Wrought Specifications
ASTM UNS AISI UNS
HF / SCH12 ( EN 1.4825 ) A297 HF
HH-2 / SCH13 A ( EN 1.4837 ) A297 HH
HK / SCH21 ( EN 1.4848 ) A297 HK
HK 40 / SCH22 A351 HK 40
HP / SCH24 ( EN 1.4857 ) A297 HP
HU / SCH20 ( EN 1.4865 ) A297 HU
HP MOD ( EN 1.4852 )
800H ( EN 1.4859 ) A351 CT15C N08151 INCOLOY 800H N08810
718 N07718 INCONEL 718 N07718
LAWAI is the No. 1 Large Rings ( centrifugal casting ) manufacturer in Taiwan. We provide customized Large Rings ( centrifugal casting ) for our clients all over the world. The Large Rings ( centrifugal casting ) produced in LAWAI – reliable and beyond your expectation!