Korea Metal Tec – gray and ductile iron foundry in Korea for machine tool and industrial castings. World Best Cast Iron
Tier-1 supplier to Hyundai WIA and DN Solutions. Forty years of medium and large gray iron castings for machine tools, industrial machinery and export.
Cast
to Last
Forty years of foundry expertise. Medium and large gray iron castings for machine tools and industrial machinery, produced on one integrated line.
Founded as Hankook Pattern in 1985, Korea Metal Tec has grown on 40 years of casting technology and know-how. We have earned lasting trust as a tier-1 supplier to Hyundai WIA, DN Solutions, SMEC and Daesung Hi-Tech.
From molding and melting to pouring, finishing and inspection, our integrated production line and ISO 9001 quality system deliver a stable supply of castings, and our export business keeps growing.
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"Best technology, best quality. We will be a partner in our customers' success."

Goryeong, Gyeongbuk, Korea
Producing the world’s
best-quality cast iron
Management Principles
- Performance-driven management
- Customer-delight management
- Value-creating management
- Business-expansion management
Quality Policy
- Minimize quality defects
- Minimize customer complaints
- Improve management systems
Quality Targets
- In-house defect rate 0.5%
- Field defect rate 0.5%
- 100% on-time delivery
Forty Years
of Iron
From Hankook Pattern in 1985 to a dedicated gray iron casting specialist.
Named Hyundai WIA outstanding supplier for quality
Pattern warehouse expanded
Registered as tier-1 supplier to DN Solutions
(formerly Doosan Machine Tools)
Registered as tier-1 supplier to SMEC
Tier-1 supplier to Hyundai WIA · ISO 9001 certified
KS Q ISO 9001 quality system (Jul) · IBK FAMILY company (May) · Foundry built in Dasan 2nd Industrial Complex (Jan)
Korea Metal Tec Co., Ltd. incorporated
Hankook Pattern founded
The roots of KMT

What We
Cast
Machine tools, industrial machinery and export parts: the medium and large gray iron castings KMT produces.
Machine Tool Parts
Large gray iron castings for machine tools: BED, COLUMN, HEAD and more.




Industrial & Pump Parts
Pump casings, cylinder bodies, bearing housings and other industrial castings.




Export Parts
Beds, gear boxes and other precision castings supplied to overseas customers.




One Line,
End to End
From molding to inspection and shipping, one integrated line completes the quality of every casting.
MoldingStep 1

Melting (Induction Furnaces)
High-frequency furnaces A·B, 2 t / 1,250 kW. Melting capacity 4,500 kg/hr

Furan Mixer (Core)
10 t/hr, core line

Furan Mixer (Outer Mold)
20 t/hr, outer mold line

Sand Reclamation
10 t/hr, molding sand recycling

HANGER SHOT
3000 × 3000 × 4700, surface finishing

Flask Transfer Cars
30 t, operated with 24 hoists

Spectrometer (17ch)
Universal tester · metallurgical microscope · hardness testers · CE meter

Pattern Warehouse
Systematic storage and care of customer patterns
Proven
Quality
Accredited quality systems and industry awards back up KMT's technology and reliability.

HYUNDAI WIA Best Partner
Quality Division · Best Partner of the Year 2020

ISO 9001 Quality Management
ISO 9001:2015 / KS Q ISO 9001:2015

IBK Corporate Family
Preferred-company certification, IBK

World Foundry Congress
Steering committee, 74th WFC honorary board

Young Foundry Engineer Award
Korea Foundry Society · 2024

Exemplary SME Commendation
Ministry of SMEs and Startups · 2020

Management Innovation SME
MAINBiz association member
Casting
FAQ
Questions buyers ask us most
What materials and casting weights can you handle?
We cast gray iron GC200 to GC350 (FC250 to FC350) and ductile iron GCD400 to GCD600 (FCD400 to FCD600). Maximum single-piece weight is 10 t for gray iron and 5 t for ductile iron, with a monthly capacity of 1,000 t.
What are the ASTM, EN and JIS equivalents of your KS grades?
Approximate equivalents by minimum tensile strength, for reference. We cast to the standard and grade specified on your drawing.
| KS (Korea) | JIS (Japan) | ASTM (US) | EN (Europe) |
|---|---|---|---|
| GC200 | FC200 | A48 Class 30 | EN-GJL-200 |
| GC250 | FC250 | A48 Class 35/40 | EN-GJL-250 |
| GC300 | FC300 | A48 Class 45 | EN-GJL-300 |
| GC350 | FC350 | A48 Class 50 | EN-GJL-350 |
| GCD400 | FCD400-15 | A536 60-40-18 | EN-GJS-400-15 |
| GCD450 | FCD450-10 | A536 65-45-12 | EN-GJS-450-10 |
| GCD500 | FCD500-7 | A536 70-50-05 | EN-GJS-500-7 |
| GCD600 | FCD600-3 | A536 80-55-06 | EN-GJS-600-3 |
What products do you mainly produce?
Medium and large castings: beds, columns, saddles, tables and heads for machine tools; casings and housings for pumps and industrial machinery; beds, gear cases and bases for export customers. All work is build-to-print from customer drawings.
How is production organized?
One integrated line in our own plant: furan no-bake molding (5, 10 and 20 t mixers), mold assembly, melting in two 2 t high-frequency induction furnaces (4,500 kg/h), pouring, finishing with hanger shot blasting, and inspection.
What quality certifications and inspection do you have?
ISO 9001:2015 (KS Q ISO 9001). Material and dimensions are verified with a 17-channel spectrometer, Brinell hardness tester, universal testing machine and marking inspection. Hyundai WIA named us Best Partner for quality in 2020.
Who are your main customers?
We are a Tier-1 supplier to Hyundai WIA and DN Solutions (formerly Doosan Machine Tools), and also supply SMEC, Daesung Hitech, Hwacheon, Smart Machine Tool, WILO and Hyundai WIA Machine Tools.
How do I request a quotation?
Email us your drawings (2D/3D), material grade, quantity and required delivery date. Patterns can be customer-supplied or produced on request. We correspond in English, Japanese and Korean and handle export packing and shipping.
Get in
Touch
Quotes, product questions, partnership proposals: we would love to hear from you.
21-26, Dasansandan 3-gil,
Goryeong-gun, Gyeongbuk, Korea
Let's Cast
The Future
Need gray iron castings? Forty years of foundry expertise, ready to work with you.
