The Southeast Asia Iron and Steel Casting Market was valued at USD 12.35 Billion in 2024 and is projected to reach USD 16.74 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024-2030). This expansion is driven by surging infrastructure projects, rising automotive production, and technological advancements in casting methodologies across Thailand, Indonesia, Vietnam and Malaysia.
As Southeast Asian nations accelerate their industrialization, casting manufacturers are evolving into strategic partners for automotive OEMs, construction firms and heavy equipment producers. This analysis spotlights the Top 10 Companies in the Southeast Asia Iron and Steel Casting Market — regional powerhouses blending traditional foundry expertise with digital innovation to meet precise engineering specifications.
🔟 1. PT Krakatau Steel (Persero) Tbk
Headquarters: Cilegon, Indonesia
Key Offerings: Structural steel castings, automotive components, industrial machinery parts
Indonesia’s flagship steel producer operates Southeast Asia’s most vertically integrated casting operations, with capabilities spanning from raw material processing to finished component fabrication.
Production Highlights:
- 15 automated molding lines with 800,000 ton annual capacity
- 55% market share in Indonesia’s automotive casting sector
- Strategic JV with POSCO for advanced steel casting technologies
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9️⃣ 2. NatSteel Holdings Pte Ltd
Headquarters: Singapore
Key Offerings: High-performance alloy castings, precision engineering components
This Singapore-based specialist delivers technically demanding cast solutions for marine, oil & gas, and aerospace applications across the Asia-Pacific region.
Production Highlights:
- Specializes in castings with ±0.1mm dimensional tolerance
- 50 years of metallurgical expertise in tropical climates
- First Southeast Asian foundry to adopt Industry 4.0 quality control systems
8️⃣ 3. Gunawan Dianjaya Steel Tbk
Headquarters: Jakarta, Indonesia
Key Offerings: Carbon steel castings, heavy machinery components
A rising star in Indonesia’s industrial supply chain, GD Steel specializes in large-scale castings for mining and construction equipment manufacturers.
Production Highlights:
- 30% annual capacity growth since 2020
- New automated foundry launched in 2023
- Exclusive supplier to 12 Indonesian heavy equipment brands
7️⃣ 4. Lion Group
Headquarters: Kuala Lumpur, Malaysia
Key Offerings: Ductile iron pipe systems, automotive brake components
Malaysia’s leading diversified metals group combines casting operations with downstream processing for infrastructure and transportation markets.
Production Highlights:
- 80km of ductile iron pipes cast monthly
- Automotive foundry certified to global OEM standards
- Patented corrosion-resistant alloy formulations
Download FREE Sample Report: Southeast Asia Iron and Steel Casting Market – View in Detailed Research Report
6️⃣ 5. PT. Growth Asia
Headquarters: Jakarta, Indonesia
Key Offerings: Mining equipment castings, dredging components
This specialist foundry has become indispensable to Indonesia’s resource sector, producing wear-resistant castings for extreme operating conditions.
Production Highlights:
- Market leader in bucket teeth and crusher liners
- Proprietary chrome carbide overlay technology
- Supplies 60% of domestic mining equipment manufacturers
5️⃣ 6. CSC Steel Holdings Berhad
Headquarters: Petaling Jaya, Malaysia
Key Offerings: Thin-wall steel castings, electrical enclosures
CSC Steel brings Japanese precision casting techniques to Southeast Asia’s appliance and electrical equipment industries.
Production Highlights:
- 3mm minimum wall thickness capability
- Automotive lighting component specialist
- 35% export ratio to regional markets
4️⃣ 7. Southern Steel Berhad
Headquarters: Penang, Malaysia
Key Offerings: Reinforcing steel, construction castings
This Malaysian construction materials leader operates advanced centrifugal casting facilities serving major infrastructure projects.
Production Highlights:
- Integrated steel billet to finished casting operations
- Supplies 40% of Penang Bridge construction materials
- LEED-certified sustainable foundry practices
3️⃣ 8. PT. Jakarta Cakratunggal Steel Mills
Headquarters: Jakarta, Indonesia
Key Offerings: Alloy steel castings, forging blanks
JC Steel Mills has emerged as Indonesia’s primary supplier of high-strength steel castings for energy and heavy industry applications.
Production Highlights:
- Specializes in 4140/4340 alloy steel formulations
- New vacuum degassing facility installed 2023
- Strategic supplier to Indonesian defense sector
2️⃣ 9. Kin Kee Steel Sdn Bhd
Headquarters: Selangor, Malaysia
Key Offerings: Precision hydraulic components, instrumentation castings
This Malaysian specialist focuses on high-value, low-volume castings for industrial automation and fluid power systems.
Production Highlights:
- Microstructure-controlled casting specialist
- Class 100 cleanroom casting environment
- German-certified pressure vessel capabilities
1️⃣ 10. Eastern Steel Sdn Bhd
Headquarters: Kedah, Malaysia
Key Offerings: Construction castings, rail components
Northern Malaysia’s primary steel caster serves regional infrastructure development with standardized and custom construction solutions.
Production Highlights:
- Produces 12,000 tons of construction castings monthly
- ERTMS-certified rail casting supplier
- Automated sand reclamation system reduces waste
Get Full Report Here: Southeast Asia Iron and Steel Casting Market – View in Detailed Research Report
🏭 Market Outlook: Casting Industry Enters Technology-Driven Growth Phase
Southeast Asia’s casting manufacturers are transitioning from traditional production methods to smart foundry operations, integrating simulation software, 3D scanning and automated quality control systems to meet global quality standards.
📈 Key Market Shifts:
- Automotive lightweighting driving ADI and CGI casting adoption
- 20% increase in automated molding line installations (2023)
- Energy-efficient induction melting replacing cupola furnaces
- Rising demand for locally-casted components due to supply chain regionalization
Get Full Report Here: Southeast Asia Iron and Steel Casting Market – View in Detailed Research Report
The profiled companies demonstrate how Southeast Asia’s casting industry is evolving from basic metal pouring to precision manufacturing — becoming the backbone of regional industrial development.
