| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1800 x 700 x 930 mm | |
|---|---|---|
| Individual seat width | 510 mm | |
| Individual seat depth | 530 mm | |
| Seat height from floor | 390 mm | |
| Backrest height above seat | 450 mm | |
| Armrest height above seat | 190 mm | |
| Support beam cross-section | 40 x 80 mm triangular steel tube | |
| Floor glide diameter | 50 mm | |
| Leg splay width (per end) | 650 mm | |
| Seat panel thickness | 1.5 mm cold-rolled steel | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Per-seat static load capacity | 150 kg | |
|---|---|---|
| Net weight | 35 kg | |
| Recommended occupancy | 3 adults | |
| Surface abrasion resistance (powder coat) | Class 2, 1000 cycles | |
| Frame corrosion resistance | 48 hours salt spray (neutral) | |
| Seam/connection fastener torque rating | 12 Nm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat panels | 1.5mm cold-rolled steel with red powder coat finish | |
|---|---|---|
| Backrest panels | 1.5mm cold-rolled steel with red powder coat finish | |
| Main support beam | 2.0mm thick triangular steel tube, rust-proof pickling treatment | |
| End armrests | 1.5mm cold-rolled steel with polished chrome plating | |
| Leg assemblies | 1.5mm chrome-plated steel, splayed fixed configuration | |
| Floor glides | Black non-marking injection-molded polymer with steel insert | |
| Fasteners | Zinc-plated steel hex bolts and lock washers | |
| Surface treatment | Electrostatic red powder coating for seat/back, chrome plating for frame | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Fixed linear 3-position connected seating on shared steel beam | |
|---|---|---|
| Posture support | Slightly angled fixed backrest for upright temporary waiting | |
| Floor stability | Fixed splayed legs with non-marking glides, no casters | |
| Assembly method | Bolt-together knock-down construction with supplied hardware | |
| Cleaning suitability | Smooth non-porous rigid panel surface for wipe-down sanitation | |
| Modular compatibility | Compatible with add-on side tables and extended seat beams per line standards | |
| Adjustment features | No moving adjustment parts: no swivel, no height adjustment, no folding seats | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Airport and rail station waiting areas | High turnover, easy to clean, durable for continuous public use | |
|---|---|---|
| Hospital and clinic waiting zones | Non-porous surface supports regular sanitation, fixed stable seating | |
| Bank and government service halls | Uniform professional appearance, fixed configuration prevents unauthorized repositioning | |
| School and campus public lobbies | High load capacity, low maintenance for heavy student traffic | |
| Shopping mall and transit hub rest points | Visible red color is easy to locate, rigid panels resist damage from heavy use | |
| Temporary event seating | Knock-down design allows transport and rapid setup for short-term public events | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 16139:2013 | Furniture - Strength, durability and safety for non-domestic seating, applicable to public waiting areas | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable to anti-tip performance | |
| EN 13722:2004 | Furniture - Test methods for surface finishes, applicable to powder coat abrasion resistance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs, applicable to public seating static load and durability benchmarks | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard, applicable to material emissions and end-of-life requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to structural stability and finish quality | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for furniture, applicable to coating emissions | |
| GB/T 10357.3-2013 | Furniture mechanical test for chair and stool strength and durability, applicable to seating load testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to structural stability and finish quality; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for furniture, applicable to coating emissions; 3. GB/T 10357.3-2013: Furniture mechanical test for chair and stool strength and durability, applicable to seating load testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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