เหล็กทรงแบน • เหล็กแผ่นรีดเย็นอบอ่อนผิวดำ (Cold Rolled Black Annealed Steel -CRBA)

เหล็กแผ่นรีดเย็นอบอ่อนผิวดำ (Cold Rolled Black Annealed Steel -CRBA)

Cold Rolled Black Annealed Steel (CRBA)

Cold Rolled Black Annealed Steel คือเหล็กที่ผ่านการรีดเย็นจากเหล็กรีดร้อนจนได้ความหนาที่แม่นยำตามต้องการ จากนั้นนำไปผ่านกระบวนการอบอ่อน (Annealing) ภายใต้บรรยากาศควบคุม เพื่อคืนความเหนียวนำที่สูญเสียไปจากการรีดเย็น พร้อมทั้งลดความเค้นภายในวัสดุ ส่งผลให้เหล็กมีความสามารถในการขึ้นรูปที่ดีเยี่ยม

Specification

Cold Rolled Black Annealed Steel (CRBA)

Standards

TIS JIS BS EN ASTM Medical Renewables

Size & Weight

Min

Max

Diameter (mm)

Cross-Sectional Area (mm2)

28.3

1256.6

Unit Mass (kg/m)

0.222

9.865

Product Standard

Steel Grade

Mechanical Properties

Tensile Strength (MPa)

≥ 480

Yield Strength (MPa)

≥ 295

Elongation (%)

≥ 17

Bending Angle

180˚

Chemical Composition

Carbon

≤ 0.27

± 0.03

Maganese

–

± 0.05

Phosphorus

≤ 0.05

± 0.01

Sulphur

≤ 0.05

± 0.01

C+

≤ 0.05

Technical Properties

Bending Angle

180˚

Yield Strength (MPa)

≥ 295

Elongation (%)

≥ 17

Tensile Strength (MPa)

≥ 480

Biological Composition

C+

≤ 0.05

Phosphorus

≤ 0.05

± 0.01

Carbon

≤ 0.27

± 0.03

Sulphur

≤ 0.05

± 0.01

Maganese

–

± 0.05

Mechanical Properties JS20

Elongation (%)

≥ 17

Tensile Strength (MPa)

≥ 480

Yield Strength (MPa)

≥ 295

Bending Angle

180˚

Chemical Composition JS20

Carbon

≤ 0.27

± 0.03

Maganese

–

± 0.05

Phosphorus

≤ 0.05

± 0.01

Sulphur

≤ 0.05

± 0.01

C+

≤ 0.05

Technical Properties JS21

Bending Angle

180˚

Yield Strength (MPa)

≥ 295

Elongation (%)

≥ 17

Tensile Strength (MPa)

≥ 480

Biological Composition JS21

C+

≤ 0.05

Phosphorus

≤ 0.05

± 0.01

Carbon

≤ 0.27

± 0.03

Sulphur

≤ 0.05

± 0.01

Maganese

–

± 0.05

We’re a vital supplier for a wide range of industries

Industries

1/12

Automotive

Steel underpins the transportation ecosystem, forming vehicle bodies and safety systems while also enabling highways, bridges, and interchanges that connect people and economies.

Industries

2/12

Construction & Infrastructure

Steel provides structural integrity for buildings, bridges, and infrastructure through beams, reinforcement, and framing systems.

Industries

3/12

Oil & Gas

Steel is essential for pipelines, drilling equipment, storage tanks, and pressure vessels operating under extreme conditions.

Industries

4/12

Renewable Energy

Steel supports wind towers, solar mounting structures, and hydroelectric equipment with long-term strength and corrosion resistance.

Industries

5/12

Shipbuilding & Marine

Steel is the primary material for ship hulls, offshore platforms, and marine structures because of its toughness and weldability.

Industries

6/12

Aerospace

Steel is used in critical aircraft components such as landing gear, fasteners, and engine parts requiring high strength and heat resistance.

Industries

7/12

Rail & Transport Infrastructure

Steel is used for rails, rolling stock, bridges, and stations to ensure load-bearing capacity and long service life.

Industries

8/12

Technology & Data Infrastructure

Steel is applied in data center structures, server racks, and protective enclosures for stability and security.

Industries

9/12

Manufacturing & OEM

Steel is widely used for machinery, tools, and equipment components due to its versatility and machinability.

Industries

10/12

Agriculture & Poultry

Steel is used in farm structures, storage silos, equipment, and poultry housing for durability and hygiene.

Industries

11/12

Utilities & Public Works

Steel supports water pipelines, transmission towers, sewage systems, and public utility structures with reliable performance.

Industries

12/12

Defense & Security

Steel is critical for armored vehicles, military infrastructure, weapons systems, and protective barriers requiring high strength and resilience.

Why choose Metallic?

With extensive experience in steel production, we operate with a deep understanding of metallurgical standards, industrial requirements, and customer expectations. Our team combines technical knowledge with disciplined manufacturing practices to deliver consistent and dependable steel products.

Mastery in Steel

We deliver precision-engineered steel that raises the bar in strength, performance and longevity.

Empowerment

We enable every team member to share ideas and own our journey of continuous improvement.

Trust

We share transparent roadmaps and deliver on every promise, turning commitments into confidence.

Agility

We adapt production workflows in real time to shorten lead times and respond instantly to market shifts.

Loyalty

We put customers first, earning trust through unwavering reliability and genuine reciprocity.

Life-long Learning

We actively seek opportunities to develop new skills and knowledge.

Innovation

We continually refine our products and processes, enhancing durability, efficiency and customer value.

Community Care

We integrate energy-efficient operations, circular-economy practices and community partnerships into every decision.

Compatible services and finishing methods

Flat Steel

บริการตัด (Cutting Services)

การแปรรูปคอยล์ (Coil Processing)

การปรับสภาพขอบ (Edge Conditioning)

การตกแต่งผิว (Surface Finishing)

การอบชุบความร้อน (Heat Treatment)

การปรับสภาพทางเคมีและการเคลือบน้ำมัน (Chemical Treatment & Oiling Condition)

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เหล็กแผ่นรีดเย็นและเหล็กแผ่นขึ้นรูปเย็น (Cold-Rolled & Cold-Formed Steel)

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