Technology / product information

Lost-wax casting technology is a precision manufacturing method that involves pouring molten metal into molds to produce highly accurate components with complex shapes. Also known as investment casting, this technique is widely employed across industries such as automotive, medical, aerospace, and industrial machinery to create high-quality parts. At Castem, our lost-wax casting technology is supported by an integrated production system, from mold design to final products, ensuring reliability and cost efficiency to meet the demands of customers seeking high-precision metal processing solutions.

■ Key Features
Ability to produce complex shapes: Lost-wax casting allows for the faithful reproduction of intricate designs and shapes that are challenging with conventional machining methods.
High dimensional accuracy: Achieves dimensional precision of up to ±0.1mm, minimizing post-processing requirements and reducing finishing costs.
Material versatility: Compatible with various metals, including stainless steel, carbon steel, and copper alloys, enabling material selection tailored to specific product requirements.
Scalability: Flexible production capabilities ranging from prototypes and small batches to mass production.
Enhanced surface finishing: Produces smooth surfaces, reducing the need for extensive finishing work.

■ Capabilities
Dimensional range: Supports small to medium-sized parts while maintaining precision.
Production volumes: Accommodates small-lot production to mass production of tens of thousands of pieces, offering manufacturing flexibility.
Material compatibility: Works with a diverse range of materials such as iron-based alloys, copper-based alloys, aluminum alloys, and stainless steel.
Surface roughness: Provides smooth finishes, minimizing the need for additional polishing and reducing costs.

■ Materials
Carbon steel - S25C, S45C
Chromium molybdenum steel - SCM415, SCM435, SCM440
Nickel chromium steel - SNC415, SNC815
Nickel chromium-molybdenum steel - SNCM220, SNCM439, SNCM616
Tool steel - SK105, SKS3, SKD11, SK85, SKD61
High-speed steel - SKH51, SKH57
Austenitic stainless steel - SCS13 (SUS304), SCS14 (SUS316), SUS303, SCS19 (SUS304L), SCS16 (SUS316L), SCS18 (SUS310S), SUSXM15J1
Martensitic stainless steel - SCS1 (SUS410), SCS2 (SUS420J1), SCS2A (SUS420J2), SUS440C
Precipitation hardening stainless steel - SCS24（SUS630）
Ferritic stainless steel - SUS430
Duplex stainless steel - SCS11（SUS329J1）
Heat-resistant steel - SCH13, SCH21, SCH22
Special steel - SUJ2, SUP10, SUM23
Cast iron - FC200, FCD500
Aluminum alloy - AC4C, AC7A
Copper alloy - CAC102 (pure copper), CAC302 (HBsC2), CAC403 (BC3), CAC703 (ALBC3), CAC802 (SzBC2), CAC502A (PBC2), CAC203 (YBs C3), CrCu (chromium copper）
Cobalt alloy - Stellite 12

■ Case Studies
Automotive Components: Proven track record in engine parts, drivetrain components, and exhaust system parts, where precise designs and high durability are essential.
Medical Device Components: Used in surgical instruments and precision medical equipment requiring high accuracy and biocompatibility.
Industrial Machinery Components: Enables the production of complex and durable parts for conveyor systems and precision machinery.

■ Applications
This versatile technology supports the manufacturing of automotive parts, engine components, drivetrain parts, medical devices, industrial machinery parts, as well as components for electronics and precision instruments. Lost-wax casting is a highly effective method for producing complex, high-precision metal parts, addressing a wide range of metalworking needs. It delivers quality and reliability, ensuring customer satisfaction and trust.

CASTEM (SIAM) CO., LTD. is located in Chonburi Province, Thailand, and provides services nationwide.

■ For more details, please download PDF or feel free to contact us.