Die Casting Capabilities | 80T-1,600T Machines

KastMfg operates a fully integrated 28,000 m2 manufacturing facility in Nanjing, Jiangsu Province, China. All core processes — tooling fabrication, die casting, CNC machining, surface finishing, and quality inspection — are performed in-house, eliminating subcontractor dependencies and giving customers a single accountable supply source.

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Facility at a Glance

Parameter	Specification
Total floor area	28,000 m2
Die casting machines	16 cold-chamber + hot-chamber zinc
Machine tonnage range	80T-1,600T
Alloys processed	Aluminum (A380/A360/A413/ADC12), Zinc (Zamak 3/5/ZA-8), Magnesium (AZ91D/AM60B)
Annual casting capacity	12,000+ tonnes
Tooling shop area	4,500 m2
CNC machining centers	18 units
Employees	320+
Annual shipments	8 million+ parts
Export markets	30+ countries

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Die Casting Machines

The fleet comprises 16 cold-chamber machines plus hot-chamber zinc cells; the tables below show tonnage coverage by alloy family, and the full equipment list is available during supplier audit.

Cold Chamber (Aluminum & Magnesium)

Tonnage	Max Shot Weight	Primary Alloys
160T	2.5 kg	A380, ADC12, AZ91D
250T	4 kg	A380, A360, AZ91D
400T	6 kg	A380, A413
630T	10 kg	A380, A413
800T	14 kg	A380
1,000T	20 kg	A380 (structural)
1,600T	30 kg	A380 (large structural)

Hot Chamber (Zinc)

Tonnage	Max Shot Weight	Primary Alloys
80T	0.5 kg	Zamak 3, Zamak 5
160T	1.2 kg	Zamak 3, Zamak 5
250T	2 kg	Zamak 5, ZA-8

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Tooling Shop

KastMfg designs and fabricates all production tooling in-house. We do not outsource die fabrication.

Equipment	Quantity	Capability
CNC machining centers (tool room)	15	H13/P20 cavity and core machining
EDM (wire cut)	4	Fine detail, narrow slots
EDM (sinker)	3	Deep cavities, complex geometry
Surface grinder	2	Parting face flatness
CMM (tool room)	1	Die dimension verification
Mold flow simulation	Software	Pre-steel virtual validation

Tooling lead times:

Tool Type	Steel Grade	Lead Time
Prototype single-cavity	P20	3-5 weeks
Production single-cavity	H13	5-8 weeks
Production multi-cavity	H13	6-8 weeks
Slide/insert tooling	H13/S7	2-4 weeks

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CNC Machining

Equipment	Specification	Quantity
3-axis VMC	Up to 1,000 x 600 x 500 mm	10
4/5-axis machining center	Full simultaneous 5-axis	4
CNC turning center	Up to Ø500 x 800 mm	3
Robotic deburring cell	Automated	1

Machining capabilities: milling, drilling, tapping (to M30), boring (H6/H7), thread milling, countersinking, flatness grinding of sealing faces.

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Surface Finishing

All finishing operations are performed in-house or at managed partner facilities with direct quality oversight.

Process	Specification
Shot blasting	Steel shot, various grit sizes
Powder coating	Electrostatic, cured 180-200°C, RAL/Pantone matching
Anodizing Type II	5-15 μm, clear or colored
Anodizing Type III (Hard)	25-100 μm, hardness HRC 60+
Chromate conversion (Alodine)	Per MIL-DTL-5541
E-coating (Electrocoat)	Epoxy, full internal coverage
Vibratory finishing	Deburring and surface smoothing

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Quality Inspection

Equipment	Quantity	Application
CMM (Hexagon / Zeiss)	2	3D dimensional inspection, GD&T, FAI
OES Spectrometer	1	Alloy chemistry per melt
Industrial X-ray (DR)	1	Internal porosity screening
Tensile testing machine	1	Mechanical property verification
Pressure decay tester	4	Hydraulic/pneumatic leak testing
Roughness tester	3	Surface finish Ra verification
Vision measurement system	2	High-speed 2D inspection
Salt spray chamber	1	Corrosion testing per ISO 9227
Hardness tester	2	Rockwell/Brinell

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Part Size and Weight Range

Parameter	Aluminum	Zinc	Magnesium
Min wall thickness	1.2 mm	0.4 mm	0.8 mm
Max part size	800 x 600 mm	400 x 300 mm	500 x 400 mm
Min part weight	0.05 kg	0.005 kg	0.05 kg
Max part weight	25 kg	5 kg	8 kg
Dimensional tolerance	CT4-CT6	CT3-CT5	CT4-CT6

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Contact

Email: casting@kastdiecast.com | Phone: +86 138 1403 4409 No.6, Rungu Road, Nanjing, China