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Aws A5.21 Ercocr-a Hardfacing Cobalt Base Welding Wire
US$30.00-35.00
10 Kilograms
Product profile
Customization
AvailableType
S (Chromium Nickel Austenitic Stainless Steel Electrode)Material
TungstenModel NO.
ERCoCr-ADiameter
3.2/4.0/5.0mmLength
350mmWelding Core Type
Cobalt Chromium Tungsten Alloy CoresElectrode Coating Type
Titanium CalciumSlag Characteristic
AlkalineFunction
Hardfacing ElectrodeWelding Power
AC or DCHardness HRC
50-58Delivery Detail
Within 25days After Receiving Your OrderQuality
High LevelPackage
5kgs Per Plastic BoxSpool
1/5/15kgs Per SpoolDelivery Time
25 DaysService
Best After SalesTransport Package
5kg/Box, 20kg/Carton or CustomizedSpecification
1.2/1.6/2.0/2.5/3.0/4.0/5.0Trademark
Ocean WeldingOrigin
Zhejiang, China(Mainland)Production Capacity
2000 Ton/Tons Per MonthKey features
High Temperature Resistance: Maintains abrasion and corrosion resistance at temperatures up to 650 degrees Celsius.
Cobalt Chromium Alloy Core: Features a cobalt chromium tungsten alloy core with titanium calcium coating for superior performance.
Versatile Applications: Ideal for high-temperature, high-pressure welding valves and hot shear knives in harsh environments.
Multiple Diameter Options: Available in 3.2mm, 4.0mm, and 5.0mm diameters to suit various welding requirements.
OEM and ODM Service: Supports OEM and ODM customization services for specific client needs.
Fast Delivery Time: Standard delivery within 25 days after receiving the order.
High Quality Assurance: Manufactured by a factory with over 25 years of experience and strict quality control.
Flexible Packaging: Packaged in 5kgs per plastic box or on spools of 1/5/15kgs for convenient handling.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1995-06-15 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHangzhou Linan Dayang Welding Material Co., Ltd. is a China-based limited company established in 1995, with 39 employees and a 5,800 m² manufacturing plant in Zhejiang. It manufactures a broad range of welding materials and equipment, including stainless and carbon-steel electrodes, welding wires, rods, alloys, and accessories. The supplier reports ISO9001:2015 certification, five production lines, specified annual output for E308 and E6013 electrodes, export activity to multiple countries, and self-operated import/export rights. It also reports an own laboratory, technical engineers, independent R&D, and OEM/ODM capability. Evidence supports established operations, relevant certification, production capability, international customer exposure, and customization potential. However, the provided information does not sufficiently establish after-sales service strength or financial credibility. The stated export volume and production figures are not fully consistent across the supplied slices, so capacity...
Supplier typeThe supplier is a China-based limited company established in 1995, with 39 employees and a manufacturing plant in Zhejiang. Its stated business covers manufacturing welding materials and related equipment, including electrodes, rods, wires, alloys, and welding accessories.
CertificationsThe supplier explicitly reports an ISO9001 company system certificate and an ISO9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no additional product-specific or industry-specific certifications are identified.
R&D capabilityThe supplier reports three years of total R&D engineer experience, an own laboratory, professional technical engineers, independent R&D capability, and investment in a modern production base. These statements support an innovation and technical-development capability, although the slices do not specify patents, product development results, or R&D spending.
Production capacityThe supplier reports five production lines, a 5,800 m² plant, oil-pressure equipment production, and stated annual output of 500 tons of E308 stainless-steel electrodes and 1,000 tons of E6013 carbon-steel electrodes. It also reports annual production capacity of 5,000 tons of welding rods and exports exceeding 10,000 tons, but these figures are not fully aligned and should be verified.
Customization capabilityThe supplier explicitly states that it can undertake OEM and ODM orders for overseas clients. Its broad product range and identified product specification experience further support customization potential, although detailed customization scope, tooling, minimum quantities, and development timelines are not provided.
Client casesThe supplier reports exports to the United States, Russia, Germany, Indonesia, Thailand, Singapore, and other markets, and one buyer name, Dhanani Enterprises, is associated with a shipment record. Its products are stated to be used in petrochemical, nuclear power, aerospace, food machinery, and other industries, but the slices do not provide verified project details, order outcomes, or customer testimonials.
Product Q&A
Q:What is the maximum operating temperature for this welding wire?
A:
The surfacing metal can maintain good abrasion resistance and corrosion resistance at temperatures up to 650 degrees Celsius.
Q:What are the recommended welding parameters for this electrode?
A:
It should adopt DCRP (Direct Current Reverse Polarity). Reference currents are 120-160A for 3.2mm, 140-190A for 4.0mm, and 150-210A for 5.0mm.
Q:Do I need to preheat the workpiece before welding?
A:
Yes, according to the size of the tool and parent material, preheating to 300-600 degrees Celsius is required, using small current and short arc welding.
Q:What post-weld heat treatment is recommended?
A:
After welding, the part should be tempered at 600-700 degrees Celsius for 1 hour, then cooled in dry hot sand or plant ash to prevent cracking.
Q:What is the hardness of the deposited metal?
A:
The hardness of the ERCoCr-A deposited metal is typically 40-45 HRC, though other variants in the series range from 20-59 HRC.
Send Inquiry
*To:Hangzhou Linan Dayang Welding Material Co., Ltd.
Hangzhou Linan Dayang Welding Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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