Crusher jaw plate AR steel

Description

1. Product Overview

Crusher jaw plate AR steel is a heavy-duty abrasion-resistant steel wear part engineered for primary and secondary jaw crushers used in mining, quarrying, construction demolition, and aggregate processing. Its primary function is to protect crusher housings while delivering predictable crushing geometry and consistent material reduction. Designed for high-impact, high-abrasion environments, AR (abrasion-resistant) steel jaw plates maximize uptime through extended wear life and uniform performance, reducing maintenance frequency and total cost of ownership. Strategically, these components are critical for uninterrupted throughput in high-capacity operations and form a core element of any reliable bulk solids processing supply chain.

2. Key Specifications & Technical Characteristics

• Material: Quenched and tempered abrasion-resistant (AR) manganese steel (Mn steel) alloy engineered for high work-hardening and toughness.

• Chemical composition (typical): C 0.7–1.3%; Mn 11–14%; Si 0.2–0.6%; P ≤ 0.05%; S ≤ 0.05% (custom compositions available on request).

• Hardness (as-delivered): 220–280 HBW (work-hardening to higher surface hardness in service); alternative heat treatments deliver nominal 280–360 HBW on request.

• Toughness: Optimized through controlled quench-temper process to resist impact cracking in intermittent feed conditions.

• Physical form & finish: Cast/machined jaw plate profile, standard black oxide or primer finish; surface tolerances +/- 0.5 mm (profile critical zones tighter on request).

• Typical sizes & weights: Custom sizes to match OEM crusher models; standard reference ranges available for common models (detailed dimensions provided in datasheet).

• Mounting features: Precision-drilled bolt holes and locating slots compatible with OEM fasteners; optional interchangeable tooth/cheek designs.

• Packaging options: Wooden crate with corrosion-inhibitor wrapping for export; bulk palletized; single-piece protective packaging for high-value custom plates.

• Shelf life: Indefinite when stored dry and protected from corrosion; recommended storage indoors or under cover.

• Certification & testing: Supplied with material chemical test report (CTP/ PMI on request), hardness test certificates, and dimensional inspection report.

• Customization: Available in alternative AR grades, pre-drilled bolt patterns, and OEM-matching profiles for retrofit programs.

3. Core Industrial Applications

• Mining: Primary and secondary jaw crushers for hard-rock mining (iron ore, copper, gold) where high impact and abrasion resistance extend service intervals and reduce spares inventory.

• Aggregates & Quarrying: Crushing limestone, granite, basalt and recycled concrete; offers predictable wear profiles that preserve crusher closed-side setting and product gradation.

• Construction Demolition & Recycling: High-toughness AR plates prevent premature fracture when processing mixed, contaminated feed (rebar, concrete).

• Cement & Lime Plants: Feed preparation and size reduction where consistent plate geometry maintains downstream kiln feed quality.

• Operational use cases: Replacement OEM jaw plates, aftermarket upgrades for increased wear life, spare stock for continuous production sites, and retrofit conversions to higher-grade AR materials.

• Performance over alternatives: Compared with standard carbon castings or lower-manganese plates, AR manganese jaw plates offer superior work-hardening behavior under repeated impact, leading to longer in-service life, more stable particle size distribution, fewer unplanned shutdowns, and lower lifecycle unit cost per ton crushed.

4. Competitive Advantages

• Quality consistency: Controlled foundry processes, tight chemical tolerances, and post-casting heat treatment ensure repeatable hardness and toughness across production batches.

• Supply reliability: Bulk manufacturing capacity with scheduled exports and safety-stock programs to support multi-shift mining customers and international distributors.

• Logistics capability: Export-ready packaging, consolidated container loading, and partnered freight solutions for FCL/LCL shipments; expedited handling for critical spares.

• Price competitiveness: Economies of scale on standard sizes, volume discounts for long-term contracts, and lifecycle cost focus (longer wear life reduces cost per ton).

• Sustainability: Long service life reduces scrap frequency and embedded emissions per ton of material processed; recyclable steel composition supports circular-material strategies.

• Documentation & support: Full datasheets, material test certificates, dimensional drawings, and recommended maintenance/installation guidelines; technical assistance for OEM compatibility and lifecycle planning.

• Strategic sourcing position: Selecting these AR jaw plates reduces spare-part complexity, stabilizes operating costs, and de-risks throughput-critical assets.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20 MT.

• Loading capacity (per container): Typical loading capacities depend on plate size and crate configuration; estimated ranges:

  • 20′ container: up to ~20–22 MT (standard pallet/crate packing)

  • 40′ container: up to ~24–26 MT (optimized packing)
    Final loading plan confirmed per order with packing list and weight/volume declaration.