STS Precision Materials
- STS Precision Materials refers to products manufactured on specialized precision cold-rolling equipment, using stainless steel as the base material.
- Offering high-dimensional accuracy, grades tailored to customer requirements, and excellent surface quality, they are used across a wide range of applications, including automotive and electrical/electronic applications.
Types & Applications
- As industries continue to advance, stainless steel materials are becoming increasingly thinner, while customer requirements for precision continue to become more demanding.
- POSCO SP possesses world-class technological capabilities and extensive experience to meet these evolving market trends and customer requirements.
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엔진 가스켓 이미지 Engine Gasket
A gasket is a sealing component placed between parts in vehicles, equipment, and other machinery to prevent the leakage of gas or liquid.
Stainless steel used to maintain airtightness in high-temperature, high-pressure environments must meet high dimensional accuracy and uniform quality standards.엔진 가스켓 규격 Specification 301 AR (Thickness: 0.2–0.25 mm) Application Automotive engine Quality Control (1) Grain Size : Max. 10um
(2) Controlled Flatness : Wave Max. 1mm -
브레이크 패드 스프링 이미지 Brake Pad Spring
A brake pad spring is installed in the automotive braking system and transmits pressure from the pedal to the brake caliper.
Due to the complex design, high thickness precision and flatness tolerance are required to optimize formability.브레이크 패드 스프링 규격 Specification 301 AR (Thickness: 0.4–0.5 mm) Application Automotive braking system Quality Control (1) Hardness : Hv 375 ~ 395 -
벨로우즈 이미지 Bellows
Bellows absorb vibration and reduce noise generated in the automotive engine exhaust system.
They also absorb heat generated at high temperatures, enhancing the durability of the exhaust system.벨로우즈 규격 Specification 321/316Ti/309Si BA (Thickness: 0.15–0.25 mm) Application Automotive exhaust system Quality Control Burr : 0.02mm [Max.10% of thickness] -
몰딩재 이미지 Decorative Trim Material
Stainless steel molding material is used as an automotive exterior component, adding visual appeal to the vehicle.
The surface finish can be varied to match the vehicle's design, creating a distinctive aesthetic value.몰딩재 규격 Specification 430J1L/433L BA (Thickness: 0.4–0.5 mm) Application Automotive exterior trim Quality Control (1) Roughness : Max. 0.03μm
(2) Surface : BA, Dull, Color
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소형 전자부품 Small Electronic Components
Stainless steel used for electronic communication components, such as camera modules, connectors, and USB terminals, undergoes precision, high-speed pressing and punching processes; therefore, uniformity of thickness and flatness is the most critical property in material selection.
소형 전자부품 규격 Specification 304/301 AR (Thickness: 0.1–0.3 mm) Application Mobile phones, laptops, cameras, TVs, etc. Quality Control (1) Thickness range : Within 5%
(2) Controlled Flatness : Wave Max. 3mm -
에칭재 이미지 Etching Material
Etching is a process that dissolves material using chemical or electrochemical methods, enabling the production of higher-precision parts and complex geometries.
Achieving consistent base material thickness, flatness, and surface cleanliness is accordingly essential.에칭재 규격 Specification 304 AR (Thickness: 0.08–0.25 mm) Application Metal masks, printer components, filters, etc. Quality Control (1) Thickness range : Within 5%
(2) Controlled Flatness : Wave Max. 3mm
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배터리 모듈케이스 이미지 Battery Module Case
With growing interest in electric vehicles, demand is increasing for steel with high hardness and high corrosion resistance to protect in-vehicle batteries from external impacts and vibrations.
There is also growing demand for high-elongation materials to support a wider range of design possibilities.배터리 모듈케이스 규격 Specification 304 AR (Thickness: 0.8–1.5 mm) Application Automotive battery module case Quality Control (1) Hardness : Hv 310 ~ 330 -
수소 연료전지 금속 분리판 이미지 Hydrogen Fuel Cell Metallic Bipolar Plate
In hydrogen-powered vehicles, hydrogen and oxygen (the primary power sources) continuously undergo reduction reactions at the interfaces between layers of metallic bipolar plates made from uncoated, high-corrosion-resistance, high-conductivity steel, generating clean energy.
수소 연료전지 금속 분리판 규격 Specification Poss470FC BA (Thickness: 0.08–0.1 mm) Application Automotive hydrogen fuel cell metallic bipolar plate Quality Control (1) High Elongation requirement