Jib Crane
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This page explains how Jib/Boom is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
The horizontal or inclined structural member of a jib crane that extends outward to provide reach for lifting and moving loads.
Technical details and manufacturing context for Jib/Boom
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Lifting Capacity | 0.5–20 t | Maximum load at specified outreachISO 4301-1 |
| Maximum Outreach | 2–15 m | Horizontal distance from crane center to hook |
| Boom Length | 2–15 m | Overall length of the boom structure |
| Boom Angle Range | 0–75 ° | Inclination from horizontal |
| Slewing Angle | 0–360 ° | Full rotation for jib cranes |
| Lifting Speed | 2–20 m/min | No-load to full-load speed |
| Slewing Speed | 0.5–2 r/min | Rotation speed of the boom |
| Material Grade | Q235B–Q355B | Structural steel for boom fabricationGB/T 1591 |
| Boom Weight | 0.5–8 t | Depends on length and capacity |
| Operating Temperature | -20–60 °C | Extended range available on request |
| Wind Speed Limit | 20 m/s | For in-service operationISO 4302 |
| Surface Treatment | Sa2.5 | Blast cleaning before paintingISO 8501-1 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | N/A (structural component, not pressure vessel) |
| other spec: | Max dynamic load capacity: 1-50 tons, Max span: 3-30 meters, Max wind load: 150 km/h operational, 200 km/h survival |
| temperature: | -40°C to +80°C (standard steel), -60°C to +150°C (special alloys) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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The rated lifting capacity typically ranges from 0.5 to 20 tonnes, depending on the outreach and boom configuration. The exact capacity for a specific model must be confirmed with the manufacturer.
High-strength steel and alloy steel are commonly used. Material grades such as Q235B to Q355B are typical, but the specific grade depends on the design and application.
Relevant standards include ISO 4301-1 for crane classification, ISO 4302 for wind load, and ISO 8501-1 for surface preparation. These standards serve as references for procurement and verification.
The boom angle influences the outreach and the effective lifting capacity. As the angle from horizontal increases, the outreach decreases, allowing higher loads. Conversely, lower angles increase outreach but reduce capacity. Always consult the load chart for the specific crane.
This component is essential for the following industrial systems and equipment:
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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