China Steel Cord Conveyor Belt Manufacturer

Steel cord conveyor belts are engineered for long-distance, high-tension, and high-capacity conveying systems where fabric conveyor belts reach their structural limits.

ST Conveyor Belt Product Range

Steel Cord Conveyor Belt Product

Steel cord conveyor belts are designed for high-tension, long-distance, and heavy-duty bulk material conveying systems. Each type of conveyor belt is rigorously controlled according to working conditions, safety requirements, and material handling needs.

big stone on the heavy duty conveyor belt

Standard Steel Cord Conveyor Belt

General industrial long distance conveying applications with stable tensile performance and long service life.

Abrasion Resistant Steel Cord Conveyor Belt

Designed for high wear materials such as ore, rock, coal and clinker transport systems.

heat resistant conveyor belt product

Heat Resistant Steel Cord Conveyor Belt

Suitable for high temperature environments in cement, steel and power generation industries.

Safety-Critical for Underground Hazardous Materials

Flame Resistant & Anti-Static Steel Cord Conveyor Belt

Used in coal mining and underground systems with strict fire safety requirements.

Cold Resistant Conveyor Belt

Cold Resistant Steel Cord Conveyor Belt

Suitable for conveying bulk materials in low-temperature environments below freezing point

The impact caused by heavy objects falling from a height will affect the calculation of the conveyor belt life

Anti-Tear Steel Cord Conveyor Belt

Reinforced structure for high-impact and high-tension conveyor systems to reduce tearing failure.

Application Industries

Where Steel Cord Conveyor Belts Perform Best

Steel cord conveyor belts are engineered for high-tension, long-distance and heavy-load conveying systems. Applications are prioritized based on system load, material type and operational continuity requirements.

mining conveyor belt application

Mining Industry

Iron ore, coal and mineral conveying in long-distance and high-load systems

case seaport conveyor belt

Port & Terminal

Ship loading and unloading systems for large-volume bulk materials such as coal and ore

cement plant With cement Conveyor belt

Cement Industry

Clinker, limestone and raw material transportation in continuous high-temperature production lines

Steel & Metallurgy Industry

Steel & Metallurgy Industry

High-temperature and heavy-load material handling in steel production and raw material supply systems

Engineering Experience

Steel Cord Conveyor Belt Working Conditions Selection Guide

Based on our engineering experience in steel cord conveyor belt applications, selection is generally influenced by operating tension, material properties, temperature conditions and conveying distance.

Temperture

Consider your operating environment

If your environment is between -10°C and -50°C, you should consider cold resistant rubber compounds. If your material temperature is above ~80°C, heat resistant belt types are generally recommended.

Distance

Check your conveying system length

If your conveying distance is below ~1 km, short-distance EP systems are often sufficient. If your system exceeds ~3 km, steel cord conveyor belts are generally more suitable for long-distance stability.

Tension

Understand your conveyor load & strength requirement

If your system tension is below 800 kN/m (800 N/mm), a fabric conveyor belt is generally sufficient. If the tension is above 800 kN/m, we usually recommend using a steel cord conveyor belt for better stability.

Material

Evaluate your material’s abrasion & impact level

If you are handling ore, clinker or highly abrasive materials, wear-resistant covers are usually required. If your system has strong impact loads, anti-tear reinforcement structures are recommended.

Not Sure Which Steel Cord Conveyor Belt Fits Your System?

Send us your material type, conveyor length, belt width, capacity (TPH) and operating conditions. Our engineering team will recommend a suitable steel cord conveyor belt based on your actual project requirements.

Technical Specification

Steel Cord Conveyor Belt Structure Data

The following technical data is based on our engineering production range for steel cord conveyor belts. Specifications may vary depending on project conditions, conveyor system design and application requirements.

 Basic Parameters

ParameterUnitST500ST630ST800ST1000ST1250ST1400ST1600ST1800ST2000ST2250ST2500ST2800ST3150ST3500ST4000ST4500ST5000ST5400ST6300ST7000ST7500
Minimum Breaking Strength, K_NminN/mm500630800100012501400160018002000225025002800315035004000450050005400630070007500
Maximum Steel Cord Diameter, d_maxmm333.544.5555.665.67.27.28.18.68.99.710.911.312.813.515
Minimum Steel Cord Breaking Force, F_bsminkN7.678.912.916.120.620.625.525.626.24039.650.55663.576.39198.2130.4142.4166.7
Steel Cord Pitch, tmm1410101212141213.512111513.515151516171719.519.521
Minimum Cover Thickness, S_minmm4444444444555.566.577.581010 10

Belt Width, Tolerance and Number of Steel Cords

Belt Width, B (mm)Tolerance (mm)ST500ST630ST800ST1000ST1250ST1400ST1600ST1800ST2000ST2250ST2500ST2800ST3150ST3500ST4000ST4500ST5000ST5400ST6300ST7000ST7500
500+10/-533454539393439N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
650+10/-74460605151455146525641464141413936N/AN/AN/AN/A
800+10/-8547575636355635763695057505051484545N/AN/AN/A
1000±10689595797968797179866471646464595555N/AN/AN/A
1200±10831131139494829485941047685767777716666585954
1400±1296133133111111971111001111228999899090847878686964
1600±12111151151126126111126114126140101114101104104969090788073
1800±14125171171143143125143129143159114128114117117109102102899083
2000±141391911911591591391591441591771281431281301301211131139910092
2200±15153211211176176154176159176195141158141144144134125125109110102
2400±15167231231193193168193174193213155173155157157146137137119119110
2600±15181251251209209182209189209231168188168170170159149149129129120
2800±15196271271226226197226203226249181202181183183171161161139139129
3000±15210291291243243211243218243268195217195195195183172172149149139
3200±15224311311260260225260233260286208232208208208196184184160160149

Belt Width (B) and Tolerances

Belt Width, B (mm)500650800100012001400160018002000220024002600280030003200
Tolerance (mm)+10/-5+10/-7+10/-8±10±10±12±12±14±14±15±15±15±15±15±15

Minimum F/L Ratio for Belts Used on Three Equal-Length Idler Sets

Side Idler Troughing Angle / (°)Minimum F/L Ratio
200.08
250.1
300.12
350.14
400.16
450.18
500.2
550.23
600.26

Information Required for Technical Evaluation

To help our engineers evaluate your steel cord conveyor belt requirements more accurately, please include the following information in your inquiry.

Need a Custom Steel Cord Conveyor Belt Solution?

If your project requires specifications beyond standard production ranges—such as special tensile strength requirements, non-standard belt width, reinforced structural design, customized cover rubber performance or system-specific engineering conditions—you can share your technical drawings or project data with us.

Structure Analysis

Steel Cord Conveyor Belt Structure Breakdown

The steel cord conveyor belt is composed of multiple engineered layers that work together to ensure high tensile strength, impact resistance and stable long-distance conveying performance under heavy-duty operating conditions.

Steel Cord conveyor Belt construction

Top Rubber Cover

The top cover is the outer protective rubber layer designed to resist abrasion, impact and cutting forces from conveyed materials during operation.

Bonding Rubber Layer

The bonding rubber layer surrounds and secures the steel cords in place to ensure structural stability, prevent internal slippage and improve fatigue resistance under dynamic load conditions.

Steel Cord Layer

The steel cord layer is the core tensile structure of the belt, composed of high-strength steel cords that provide load-bearing capacity, low elongation and stability for long-distance conveying systems.

Bottom Cover

The bottom cover is the lower protective rubber layer that reduces friction with rollers, resists mechanical wear and ensures stable running performance of the conveyor belt system.

Rubber Compound Selection for Steel Cord Conveyor Belt Covers

We select coating formulations based on your material type, abrasion resistance rating, temperature conditions, safety requirements, and industrial operating environment.

Rubber CompoundPrimary Application ScenarioEngineering Selection Logic
NR / SBR BlendGeneral conveying in mining, ports, cement and steel plantsUsed as a standard base compound for balanced performance in general bulk material handling systems.
SBR (High Abrasion Grade)Mining (ore, coal), port bulk handling, cement clinker transportSelected when abrasion resistance is the primary requirement under continuous material wear conditions.
EPDM (Heat Resistant)Cement industry, steel plants, high-temperature conveying systemsApplied when operating temperatures are consistently high, especially in clinker and hot material handling.
BR Blend (Impact Resistant)Mining loading zones, port unloading systems, steel scrap handlingUsed where strong impact and drop forces require improved elasticity and wear resistance balance.
CR (Flame & Weather Resistant)Mining safety systems, outdoor conveyors, harsh weather environmentsSelected for applications requiring flame resistance and environmental durability under exposed conditions.
NBR (Oil Resistant)Port machinery zones, steel plants, recycling and oil-exposed materialsApplied where oil, grease or hydrocarbon exposure may affect belt surface performance.

Need more multiple rubber properties at the same time?

More and more customers are seeking rubber with multiple combined properties, such as flame retardancy and oil resistance, or flame retardancy and cold resistance. If you have similar needs, please contact us.

Manufacturing & Quality System

Manufacturing & Quality System Overview

Our steel cord conveyor belt production system is fully controlled to ensure stable manufacturing quality, consistent performance and reliable delivery for industrial applications.

4. moulded edge conveyor belt、

Large-Scale Production Capacity

You are supported by an annual production capacity of approximately 800,000 meters of conveyor belts and over 30,000 tons of rubber compounding materials, ensuring stable supply capability for large-scale industrial projects.

Digital Process Control

You benefit from precise control of key vulcanization parameters including temperature, time and pressure, ensuring every belt is processed under identical curing conditions for consistent physical performance.

Quality and R&D Were Upgraded

Full-Stage Quality Inspection

Each steel cord conveyor belt undergoes multiple inspection procedures before shipment, including tensile strength testing, adhesion strength testing, abrasion resistance evaluation and structural stability checks under simulated operating conditions to ensure required performance standards.

archive with file

Production Traceability System

Every belt is fully traceable through complete production records, allowing manufacturing data tracking and enabling efficient identification and resolution of potential issues during project execution and after-sales support.

Third-Party Verification and certificate collection
International Standard Certificated

Engineering-Driven Global Conveyor Belt Standard

Our steel cord conveyor belts are engineered in compliance with multiple international standards, ensuring consistent performance and reliable application across global mining, port, cement and steel industry projects.

Project Process

Steel Cord Conveyor Belt Engineering Workflow

The following workflow defines how your steel cord conveyor belt project is processed from requirement submission to final delivery, ensuring technical accuracy, production consistency and reliable execution for industrial applications.

1

Requirement Submission

You submit application information including conveyor system layout, conveyed material characteristics, operating conditions, belt dimensions, tension requirements and existing belt specifications for initial engineering evaluation.

2

Technical Specification Confirmation

Based on your submitted data, key steel cord conveyor belt parameters are confirmed, including ST strength grade, belt width, cord structure, cover rubber grade and application-specific performance requirements.

3

Quotation & Technical Proposal

A quotation is generated based on confirmed specifications, together with technical data sheets for engineering review, procurement evaluation and project approval processes.

4

Manufacturing & Quality Inspection

Steel cord conveyor belts are produced according to confirmed specifications, with controlled vulcanization parameters and multi-stage inspection including tensile strength, adhesion performance, wear resistance and structural stability testing.

5

Packaging & Delivery Coordination

Finished steel cord conveyor belts are packaged according to export and site handling requirements, followed by logistics arrangement and shipment coordination to ensure delivery readiness for installation

Steel cord manufacturing process

Ready to Start Your Conveyor Belt Project?

Please provide key specifications for your steel cord conveyor belt quotation, including tensile strength (ST grade), belt width, top and bottom cover thickness, steel cord specification, belt length, and rubber cover grade for technical evaluation and pricing confirmation.

FAQs

How does steel cord positioning affect belt performance stability?

Steel cord positioning determines how tensile forces are distributed across the belt width. A symmetrical layout reduces lateral stress and prevents uneven elongation during operation. Proper alignment also improves resistance to belt deviation, especially in long-distance conveying systems where continuous load variation occurs across different sections of the conveyor line.

Why is adhesion strength between steel cord and rubber critical?

Adhesion strength directly affects the structural integrity of the belt during cyclic loading. If bonding is insufficient, micro-separation may occur between steel cords and rubber layers under repeated tension. This can gradually reduce fatigue resistance and shorten service life, especially in high-load mining or port conveying environments with continuous impact stress.

What role does cover rubber thickness play in operational durability?

Cover rubber thickness determines how external abrasion and impact forces are absorbed before reaching the steel cord layer. A properly designed thickness helps protect internal reinforcement while maintaining flexibility. Excessive thinning can expose cords to damage, while overly thick covers may increase energy consumption during belt operation.

How does steel cord conveyor belt design respond to dynamic load variations?

Steel cord conveyor belts are designed to absorb and stabilize dynamic load changes through controlled elongation characteristics. The steel reinforcement limits sudden deformation, while the rubber matrix disperses impact energy. This combination ensures stable operation during irregular loading conditions such as bulk material drop points or variable feed rates.

Why is consistent vulcanization condition important for structural uniformity?

Uniform vulcanization ensures that all sections of the belt achieve the same curing degree, which directly affects elasticity, hardness, and bonding strength. Variations in temperature, pressure, or time can lead to inconsistent mechanical behavior across batches, affecting long-term performance stability under continuous industrial operation.

What determines fatigue resistance in steel cord conveyor belts?

Fatigue resistance is mainly determined by steel cord flexibility, rubber compound formulation, and bonding quality between layers. Repeated bending cycles at rollers generate internal stress accumulation. A balanced structural design distributes these stresses evenly, reducing crack initiation and ensuring long operational life under continuous industrial use.

Need Technical Support for Your ST Conveyor Belt Selection?

If you are uncertain whether a steel cord conveyor belt is appropriate for your conveying system, or require further technical clarification for your project conditions, you may reach out for engineering evaluation and technical review.

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