Are you looking for the reliable centrifugal casting manufacturer able to produce custom ASTM A297 HK / JIS SCH21 / EN 1.4848 radiant tubes for your applications in Asia?
If yes, we, LAWAI INDUSTRIAL CORPORATION will be your best radiant tubes supplier in Taiwan.
HK / SCH21 /1.4848 radiant tube is one of the heat-resistant alloys we produce.
The chemical compositions of heat-resistant alloys were designed for casting technique and LAWAI applies centrifugal casting technique to produce HK / SCH21 /1.4848 radiant tubes one-piece construction with very fine grained structures and almost non-porosities.
The HK / SCH21 /1.4848 radiant tubes by centrifugal casting perform outstanding stability and long lifetime under high temperature environment. The high endurability and the long lifetime of LAWAI’s HK / SCH21 /1.4848 radiant tubes mean they are environmental-friendly and better for the earth.
Each new HK / SCH21 /1.4848 radiant tube produced by LAWAI is interpreted again. It is not only composed of the specific chemical composition but also Taiwan power and LAWAI team’s passion.
LAWAI devotes to centrifugal casting over 30 years and CEO, Mr. Chih-kuang Tsai leads LAWAI team to complete every radiant tube project.
The HK / SCH21 /1.4848 radiant tubes produced by LAWAI are traceable and quality assured. The single source is always more reliable and trustful!
The capability of LAWAI:
Diameters ≥ 50 ( However ID could be lower than 50 mm)
Length ≤ 3,000 mm
Please contact LAWAI via the left form or email
E-mail: [email protected]

HK SCH21 centrifugal casting is one of the heat-resistant materials produced at LAWAI.
HK SCH21 centrifugal casting is used for manufacturing the items to withstand the oxidation and corrosion in the high temperature.
If you are still not sure whether HK SCH21 centrifugal casting is the correct alloy for your project, we will assist you to choose the one applicable.
| Centrifugal Casting | Forging | Static Casting | |
|---|---|---|---|
| Provide Customized Alloy? | Yes, various materials can be cast. | No, there is the limitation of material selection. | No, there is the limitation of material selection. |
| Great quality? |
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| Possible for small order quantity? Competitive price? |
Yes, small quantity would not change the price. | No, the cost of mold is high and the price would be competitive only when ordering several ton order weights. | No, it is not suitable for small quantity production. |
| Cost advantage? | Yes, it's more cost-effective. | No. | It's cost-effective for "large" order quantity. |
LAWAI is the family-run centrifugal casting manufacturer in Taiwan.
We've produced symmetric components since 1989.
Pioneer of centrifugal casting in Taiwan
LAWAI uses the recycled stainless steel scrap to manufacture centrifugal castings.
- The quality of centrifugal castings is the same as those made of raw materials
- Turning the scrap (some people regard it as trash) into the stainless steel ingots
- Minimizing the carbon footprints, making our world sustainable
- Practicing circular economy thoroughly
Manufacturing your products in the way that is best for you
LAWAI manufactures the custom products by centrifugal casting that are superior and functional.
- Flexible order quantity to meet your small projects
- Standard grade to high grade specially steel to meet your applications
- Rough to finish machining to meet your special needs
- Safe packing method to protect customers’ rights
Radiant Tubes







