Welding Products
Welding Rods & Powders
Cobalt-based welding rods, bare rods, and hardfacing powders for overlay welding, PTA, and thermal spray applications.
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Cobalt Alloy Specialist · China Export
Stellite Alloys for
Extreme Industrial
Environments
Qingdao STECO Metal supplies high-performance cobalt-based wear-resistant materials -- welding rods, powders, valve components, and custom parts -- with integrated quality coordination and global export from China.
Quality Certified Suppliers
Global Export Ready
Fast Technical Response
Stellite Grade Alloys
Casting · Powder · Rod · Custom Parts
Sourcing Complexity
Finding qualified cobalt alloy suppliers in China with consistent quality and reliable export is difficult for overseas buyers.
STECO Bridges the Gap
We integrate material sourcing, machining coordination, quality inspection, and export logistics into one seamless service from Qingdao.
Reliable Outcomes
Longer component life, reduced downtime, and a simplified procurement process for industrial buyers worldwide.
Product Categories
Cobalt Alloy Products for Every Application
From standard Stellite grades to fully custom components -- supplied to your drawings, samples, or application requirements.
Valve Components
Valve Seats & Trim Parts
Precision-cast and machined cobalt alloy valve seats, balls, stems, and trim for oil, gas, and power generation valves.
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Sealing & Wear Parts
Seal Rings & Bushings
Cobalt alloy seal rings, bushings, and wear rings for pumps, compressors, and rotating equipment in harsh environments.
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Semi Finished Products
Semi Finished Products
High-hardness cobalt alloy saw tips, scraper blades, and cutting inserts for wood, steel, and industrial processing machinery.
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Tooling & Dies
Extrusion Dies & Tooling
Cobalt alloy extrusion dies, nozzles, and tooling components for plastic, rubber, and metal extrusion manufacturing processes.
Inquire NowCustom Parts by Drawing
Supply any cobalt alloy component from your drawings, samples, or working condition specifications. Flexible MOQ.
Submit Your RequirementMaterial Grades
Stellite & Cobalt Alloy Grades
We supply standard Stellite® equivalent grades and custom cobalt alloy compositions optimized for specific wear, corrosion, and temperature conditions.
All materials are sourced from qualified Chinese manufacturers with full material certifications, chemical composition reports, and hardness test records available on request.
Request Material Datasheet
Stellite 6
Most Popular
General-purpose wear and corrosion resistance. Ideal for valve seats, pump parts, and overlay welding.
HRC 36-45
Co-Cr-W
Up to 800°C
Stellite 12
High Hardness
Higher carbon content for superior abrasion resistance. Used in cutting tools and severe wear applications.
HRC 44-51
Co-Cr-W
Abrasion Grade
Stellite 21
Corrosion Focus
Excellent corrosion and oxidation resistance at high temperatures. Suitable for chemical and petrochemical service.
HRC 25-35
Co-Cr-Mo
Chemical Grade
Stellite 1
Max Hardness
Highest hardness in the Stellite family. Maximum wear resistance for extreme abrasion and erosion conditions.
HRC 50-58
Co-Cr-W-C
Extreme Wear
Need a different grade or custom composition?
We also supply Stellite 3, 4, 20, 25, 31, 190, and custom Co-Cr alloys.
Industries Served
Built for Demanding Industrial Sectors
Our cobalt alloy products serve critical applications across industries where component failure is not an option.
Oil & Gas
Power Generation
Industrial Valves
Steel Processing
Plastic Machinery
Mining
Our Service Process
One Partner. Full Supply Chain.
We manage the entire process from sourcing to your door -- so you don't have to coordinate multiple suppliers across China.
STEP 01
Requirement Review
Share your drawings, samples, or specifications. We review and clarify technical requirements with you.
STEP 02
Supplier Coordination
We source from our qualified manufacturing partners in China and coordinate production scheduling.
STEP 03
Quality Inspection
Pre-shipment inspection for dimensions, hardness, appearance, and material certification review.
STEP 04
Export & Delivery
Export packaging, customs documentation, and global logistics coordination to your destination.
Technical Communication
We bridge language and technical gaps between overseas buyers and Chinese manufacturers, ensuring specifications are correctly understood.
Flexible Volume Support
From small trial orders to large-volume production runs. We accommodate both R&D sample requests and ongoing production procurement.
Documentation & Certification
Full material test reports, mill certificates, inspection records, and export documentation provided with every shipment.
Why STECO
Your Trusted China Sourcing Partner
We understand what industrial procurement managers need -- reliable materials, clear communication, and no surprises.
Specialized in Cobalt Alloys Only
Unlike general metal traders, we focus exclusively on Stellite and cobalt-based materials. Deep product knowledge means fewer errors and better sourcing decisions.
Qualified Supplier Network in China
We work only with vetted manufacturers who have proven capabilities in casting, machining, PTA welding, and finishing cobalt alloy components.
End-to-End Service, Single Point of Contact
One contact manages sourcing, production follow-up, quality inspection, documentation, and export. No coordination overhead for your team.
Custom Parts from Drawings or Samples
Send us your technical drawings, worn parts, or application descriptions. We engineer and source the right solution regardless of complexity.
Responsive English Communication
Fast, clear communication in English. We respond to technical inquiries promptly and provide detailed quotations with full specifications.
Competitive China Pricing with Export Support
Benefit from China manufacturing cost advantages with full export documentation, packaging, and logistics support included.
Who We Serve
Serving Global Industrial Buyers
Whether you're a procurement manager, engineer, or distributor, we have the right sourcing solution for your cobalt alloy needs.
OEM
OEM Manufacturers
Valve, pump, and equipment manufacturers needing reliable cobalt alloy components for their production lines.
DIST
Industrial Distributors
Distributors looking for a stable, qualified source of Stellite alloy products for their industrial customers.
MRO
Repair & Maintenance
Workshops and maintenance teams requiring wear-resistant alloy rods, powders, or replacement parts for hardfacing operations.
EPC
EPC Contractors
Engineering and project contractors sourcing specialty alloy components for plant construction, upgrades, and capital projects.
Get in Touch
Request a Quote or Technical Consultation
Share your requirements and we'll respond with a detailed quotation, material recommendations, or technical guidance within 1 business day.
Address
NO.8 Gongchuan Road, Licang District,
Qingdao, China
What to include in your inquiry:
- Alloy grade or material specification
- Product type, dimensions, or drawings
- Estimated quantity and delivery timeline
- Application or working environment details
Ready to Source Cobalt Alloys from China?
Send us your technical requirements today. Our team will provide a detailed quotation and material recommendation within 1 business day.