language

العربية

বাংলাদেশ

Български

Hrvatski

Website Group

Home

Ultra-High Power (UHP) Graphite Electrodes

UHP graphite electrodes for mega steel mills: 600mm-800mm sizes, 1.2 kg/ton consumption, ISO/RMI certified. Bulk orders with RFID tracking & global logistics.

Category:

Graphite Electrode

Email:

team3@huataogroup.com

WhatsApp:

Product Details

Title: UHP Graphite Electrodes | Ultra-High Power for Mega Steel Mills & Foundries

Why Global Giants Like ArcelorMittal and POSCO Trust UHP Electrodes

When a 300-ton electric arc furnace (EAF) needs to melt scrap at 3,200°C in under 45 minutes, only Ultra-High Power (UHP) graphite electrodes deliver. Designed for mega steel mills, these electrodes withstand extreme current loads (up to 40 A/cm²) while slashing consumption rates to as low as 1.2 kg/ton of steel. From South Korean ship plate producers to German automotive steelmakers, UHP electrodes are the backbone of high-efficiency, 24/7 steelmaking.

Features That Redefine Industrial Endurance

Unmatched Current Density: 35-40 A/cm² capacity cuts tap-to-tap time by 12-15 minutes vs. HP grades.
Thermal Shock Immunity: Survives 1,800°C→Room temp→1,800°C cycles. A Russian mill achieved 2,500+ heats with UHP 700mm electrodes.
Triple-Layer Coating: Boron-nitride impregnation reduces oxidation losses by 20-25% in humid climates.
Precision Threading: Tapered ISO/F type nipples eliminate joint failures. A Brazilian plant reported zero breakage after 18 months.
Full Traceability: RFID-tagged batches linked to mill QC systems.

Technical Specs for Heavy-Duty Operations

Grades & Applications:

UHP 600mm: For 150-200 ton EAFs (rebar, sections).
UHP 700mm: Mega mills (300+ ton EAFs) producing automotive steel.
UHP 800mm: Specialty steel & alloy production.

Critical Parameters:

Property	UHP 600mm	UHP 700mm
Resistivity (μΩ·m)	5.0-5.8	4.8-5.5
Flexural Strength (MPa)	14.0-16.0	15.0-17.0
Ash Content (%)	≤0.2	≤0.15
CTE (×10⁻⁶/°C)	1.0-1.3	0.9-1.2

Certifications:

ISO 8005:2021, RMI 2.0, JIS R7201
RoHS & REACH compliant

Packaging:

8 electrodes/crate (steel-reinforced, humidity <5%)
GPS-tracked sea containers with shock sensors

Case Studies: Where UHP Electrodes Outperform

Case 1: Indian Steel Giant
Problem: Competitor electrodes consumed 2.8 kg/ton in 200-ton EAF.
Our Fix: UHP 700mm + optimized scrap mix. Achieved 1.4 kg/ton over 6 months.

Case 2: U.S. Titanium Alloy Producer
Issue: Electrode tips cracked during 28-hour continuous runs.
Solution: UHP 800mm with stepped threading. Ran 72 hours non-stop.

Mill Engineer’s Survival Guide

Joint Handling: Torque nipples to 350-400 N·m—use digital wrench calibration. A Turkish mill cut joint failures by 45%.
Scrap Screening: Remove lead-battery fragments. A Chinese recycler reduced ash content by 30%.
Storage: -20°C to 25°C only. Middle Eastern clients use refrigerated warehouses.