What certifications do your products have?

Our products and management systems are certified under ISO9001, ISO45001, and ISO14001 standards.

What are the standard nipple thread specifications?

All electrodes come with tapered nipples of 3tpi or 4tpi, meeting international standards like NEMA CG 1 and IEC 60239.

Gold Supplier Graphite Electrodes Dia 200-700mm Graphite Electrode for Eaf and Lf

Name: Gold Supplier Graphite Electrodes Dia 200-700mm Graphite Electrode for Eaf and Lf
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1970576722

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$800.00-2,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Product Name

Graphite Electrodes with Nipples

Raw Material

Petroleum Coke, Needle Coke, Coal Tar

Model NO.

RP, HD, HP, SHP, UHP

Nipple

3tpi/4tpi/4tpil

Applicattion

Eaf Arc Furnace Smelting Steel

Apparent Density

1.58 - 1.76 G/Cc

Color

Black Grey

Certificate

ISO9001

Thermal Expansion

1.1-1.4

Keyword

Low Electric Resisitivity\Tgraphite Electrode

Superiority

Low Consumption Rate

Resistance (μΩ.M)

4 - 9 Micro

Type

Graphite Electrodes

Carbon Content

High-Carbon

Grade

UHP

Forming Way

Molded Graphite

Crystal Morphology

Flake Graphite

Composition

Petroleum Coke

Transport Package

Wooden Box

Specification

1600~3000mm

Trademark

RSNC

Origin

China

HS Code

8545110000

Production Capacity

5000t/Year

Key features

Ultra High Power Grades: Available in NP, HP, and UHP grades to meet diverse industrial furnace requirements.

High Electrical Conductivity: Low resistivity ensures efficient energy transfer and low consumption rates in steelmaking.

Customizable Dimensions: Diameter ranges from 200mm to 700mm with custom manufacturing options for specific needs.

Standardized Nipple Threads: Features 3tpi or 4tpi tapered nipples meeting NEMA CG 1, IEC 60239, and JIS R7201 standards.

High Thermal Shock Resistance: Designed to withstand extreme heat and resist cracking or spalling in demanding environments.

Low Ash and Sulfur Content: High purity materials prevent secondary impurities in refined steel products.

OEM and ODM Services: Full customization available from samples or designs with dedicated R&D support.

ISO Certified Quality: Manufactured under ISO9001, ISO45001, and ISO14001 management systems for consistent quality.

Company profile

Years of Export ExperienceProduct Certification

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.84h

AI-Powered supplier vetting

SummaryThe supplier is a professional refractory-material and kiln-engineering supplier with capabilities covering shaped and unshaped refractory materials, castables, refractory cement, wear-resistant ceramics, graphite electrodes, kiln equipment, and related engineering services. It provides 3D design, sample/design-based customization, ODM, and OEM services, but reported no new products during the past year and has no SDK. Production information indicates two production lines and stated annual capacities including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and 50,000 tons of another refractory castable category. Quality and management certifications include CE, ISO9001:2015, ISO45001:2018, and ISO14001. Service procedures, complaint handling, corrective actions, and finished-product inspection are documented and followed. However, the supplier lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity...

Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates across refractory materials, castables, ceramics, graphite electrodes, kiln equipment, and kiln-related engineering services. This indicates a specialized industrial supplier rather than a general trading entity.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of formal quality, occupational safety, and environmental management coverage.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and quality assurance, and it maintains in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, so overseas physical service support is limited.

R&D capabilityThe supplier has three R&D engineers and provides 3D design, ODM, and OEM services, demonstrating design and development capability. However, it reported no new products in the past year and has no available SDK, so evidence of recent product innovation is limited.

Production capacityThe supplier operates two production lines and reports substantial annual capacities, including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and another 50,000-ton refractory castable category. It has defined equipment and finished-product inspection instructions, but lacks a valid contract between the factory and related subcontractor, creating a documented capacity-governance concern.

Customization capabilityThe supplier explicitly offers customization from samples and designs, 3D software design services, and ODM services. These combined capabilities directly support customized product development and manufacturing.