Metal Materials for Custom Fabrication — 100+ Grades in Stock
At Beijing JCEN, we work with a comprehensive range of metal materials to meet the demanding requirements of automotive, aerospace, medical, electronics, industrial machinery, and renewable energy industries. All raw materials are sourced from certified major mills and shipped with full EN 10204 3.1 material certificates.
Whether you need standard structural steel, aerospace-grade aluminum, or corrosion-resistant stainless steel, we have the material expertise and inventory to deliver your custom metal parts on time. Our material selection is guided by your application requirements — cost, weight, strength, corrosion resistance, machinability, and finish.
Aluminum Alloys for Custom Fabrication
Aluminum is our most versatile material, offering excellent strength-to-weight ratio, corrosion resistance, and machinability. We stock the following aluminum grades:
- AL1050 & AL1060 — Pure aluminum with excellent formability and corrosion resistance. Used for chemical processing equipment, heat exchangers, decorative parts, and electrical conductors.
- AL3003 — Manganese-alloyed aluminum with moderate strength and good weldability. Common in food and chemical handling equipment, cooking utensils, storage tanks, and heat exchangers.
- AL5052 — Marine-grade aluminum with high fatigue strength and excellent corrosion resistance. Ideal for marine hardware, aircraft panels, fuel tanks, and electronic enclosures.
- AL6061 — The most widely used aluminum alloy for structural applications. Excellent for automotive parts, aircraft structures, bicycle frames, industrial equipment, and CNC machining.
- AL7075 — High-strength aerospace aluminum with strength comparable to some steels. Used in aircraft structures, high-stress military components, and precision molds.
Stainless Steel Grades
Stainless steel is the go-to material for corrosion resistance, hygiene, and durability. We fabricate parts in the following grades:
- SUS 201 — Cost-effective stainless with good formability. Used for consumer appliances, kitchen equipment, and decorative applications.
- SUS 301 — High work-hardening stainless for spring applications, automotive trim, and structural components.
- SUS 303 — Free-machining stainless with sulfur for high-volume CNC machining of screws, gears, and fittings.
- SUS 304 — The most common stainless grade. Excellent corrosion resistance and formability. Applications: food processing, kitchen equipment, chemical containers, architectural trim, medical devices.
- SUS 304L — Low-carbon variant of 304 for enhanced weldability in structural applications.
- SUS 316 — Molybdenum-alloyed stainless with superior corrosion resistance in chloride environments. Ideal for marine applications, chemical processing, medical implants, and pharmaceutical equipment.
- SUS 410 — Martensitic stainless with high strength and hardness. Used for cutlery, valves, pump shafts, and hardware.
- SUS 420 — Higher-carbon martensitic for surgical instruments, cutting tools, and wear-resistant parts.
- SUS 430 — Ferritic stainless with good corrosion resistance and lower cost. Used for automotive trim, appliances, and interior applications.
Carbon Steel Grades
Carbon steel offers strength and cost-efficiency for structural and industrial applications. Our carbon steel inventory includes:
- Q195, Q235, Q345 — Chinese GB standard structural steels for general fabrication, brackets, frames, and construction hardware.
- ST37 — European DIN standard low-carbon steel equivalent to A36. Used for structural components, machine bases, and welded assemblies.
- DC01 & DC04 — Cold-rolled deep drawing steels for automotive body panels, appliance parts, and deep-drawn housings.
- SPCC — Japanese JIS standard cold-rolled steel for enclosures, cabinets, and precision stamped parts.
- T12, T13, T14, T16 — Tool steels for cutting tools, dies, and wear-resistant parts.
Pre-Galvanized Steel Sheets
For applications requiring built-in corrosion protection, we work with hot-dip galvanized and electro-galvanized steel:
- DX51 / DX51D+Z — Standard hot-dip galvanized steel for HVAC ducts, roofing, storage tanks, and outdoor equipment.
- Zn275 — Zinc coating weight 275g/m² for enhanced corrosion resistance in industrial environments.
- SGCC — Japanese JIS standard galvanized steel for automotive, appliances, and construction.
- HX260YD+ZM — Zinc-magnesium coated steel with superior corrosion resistance for automotive and outdoor structural applications.
Spring Steel
For fatigue-resistant components requiring elasticity and hardness:
- 65Mn Spring Steel — General-purpose spring steel for washers, clips, spring hardware, and mechanical springs.
- 45# Medium Carbon Steel — For medium-strength shafts, gears, and structural parts.
- 60Si2MnA — Silicon-manganese spring steel for automotive suspension springs, torsion bars, and heavy-duty leaf springs.
Copper and Brass
For electrical conductivity, thermal management, and decorative applications:
- T1 (99.95% Cu) & T2 (99.90% Cu) — Oxygen-free electrolytic copper for busbars, electrical connectors, heat sinks, and RF components.
- Brass 62H, 65H — Lead-free brass alloys for plumbing fittings, valves, and decorative hardware.
- Brass H59, H68, H90 — Various copper-zinc alloys for stamping, deep drawing, and decorative applications.
Alloy Steel Grades
For high-strength, wear-resistant, and heat-treatable components:
- 20Cr — Case-hardening steel for gears, small shafts, and cam followers.
- 40Cr — Medium-carbon chromium steel for shafts, bolts, gears, and high-stress hardware.
- 20CrMo & 35CrMo — Chromium-molybdenum steels for high-temperature applications, pressure vessels, and aerospace components.
- 42CrMo — High-strength alloy steel for heavy-duty shafts, gears, connecting rods, and industrial machinery.
Special Alloys and Other Materials
- Titanium alloys — Available for aerospace, medical implant, and chemical processing applications
- Nickel-based alloys — For high-temperature and corrosive environments
- Engineering plastics — POM, PEEK, PTFE for CNC machining
- Custom material sourcing — Send us your specifications, we’ll source any grade you need
Material Selection Support
Choosing the right material is critical for cost, performance, and manufacturability. Our engineering team provides free material consultation with every quote, including:
- Application-specific material recommendation
- Cost vs. performance trade-off analysis
- Compatibility with your manufacturing process (stamping, laser cutting, CNC, welding)
- Surface treatment and finishing options
- Compliance verification (RoHS, REACH, FDA where applicable)
Material Certificates and Traceability
Every material used in your order is fully traceable and comes with:
- ✅ Mill test certificate (EN 10204 3.1)
- ✅ Chemical composition report
- ✅ Mechanical property test results
- ✅ Batch traceability from raw material to final product
Need a Material Not Listed Here?
We source custom materials globally to meet your unique specifications. Send us your material grade, temper, thickness, and quantity — we’ll confirm availability and pricing within 24 hours.