Industry Container

Technical Specification Sheet

Chemical Industry Container (SUS316L Stainless Steel)

I. Core Parameters

• Industry: Chemical Industry
  
• Product Name: Chemical Equipment Container
  
• Metal Material: SUS316L Stainless Steel (UNS S31603)
  
• Thickness: 5 mm
  
• Coating: None
  
• Dimensions: Ø380 mm × H490 mm
  
• Dimensional Tolerance: Complies with GB/T 1804-2000, tolerance class mm
  

II. Manufacturing Process

1. Primary Forming Method

• Plate rolling + TIG welding, followed by CNC finishing.
  
• Equipment: CNC plate rolling machine, automatic argon arc welding machine.
  
• Rolling parameters: Spindle speed 30–50 r/min, pressure 8–12 MPa for SUS316L.
  
• Welding parameters: GTAW/TIG welding, current 80–120 A, speed 5–8 mm/s, shielding gas: 99.99% pure Argon.
  
• Achieves uniform 5 mm wall thickness with weld penetration ≥3 mm.
  

2. Raw Material Pre-Treatment

• Alkali cleaning (55–65°C, 6–10% NaOH, 12–18 min)
  
• Acid pickling/passivation (15–20% HNO₃, 20–30 min)
  
• Neutral water rinse and flattening using leveling machine (flatness ≤0.25 mm/m)
  
• Ensures oil-free, defect-free, oxidation-free material for precise forming.
  

3. CNC Machining Control

• CNC vertical machining center for port finishing.
  
• G-code controlled, real-time monitoring at 8 samples/s.
  
• Dimensional accuracy: Ø380 mm ±0.5 mm, H490 mm ±0.3 mm.
  

4. Post-Processing

• Mechanical deburring (2800 r/min, 1000# grit)
  
• Compressed air cleaning, dimensional re-inspection, weld inspection.
  
• Meets core parameters and welding quality requirements.
  

III. Quality Control

1. Standards Compliance

• ISO 9001:2015 Quality Management System
  
• GB/T 14976-2012 Stainless Steel Seamless Pipe Standards
  
• Full-process inspection: raw material → forming → welding → final product
  

2. Raw Material Inspection

• Composition: Spectrometric analysis, deviation ≤ ±0.05%, Cr 16–18%, Ni 10–14%, Mo 2–3%
  
• Hardness: ≤217 HB
  
• Surface: Visual + 20× magnification, no cracks, inclusions, scratches
  

3. In-Process Inspection

• Plate rolling curvature inspection (fit ≥95%)
  
• Welding inspection via X-ray (RT), per JB/T 4730.2-2005, Class II
  
• Dimensional inspection via CMM (±0.005 mm)
  
• Surface roughness Ra ≤1.6 μm, welds smooth, no splatter or burrs
  

4. Final Inspection

• Sampling per GB/T 2828.1-2012, AQL 2.5
  
• Items: dimensions, material recheck, appearance, weld quality, sealing
  
• Hydrostatic pressure test: 1.5× rated pressure, 60 min, no leakage
  
• Traceability code includes batch, equipment, and inspection personnel
  

IV. Production Capacity & Delivery

• Equipment: 2 CNC plate rolling machines, 4 automatic TIG welders, 3 CNC machining centers
  
• Production: 30 units/day per set (2 shifts × 8 h), monthly max 1800 units
  
• Lead Time: Small batch (5–30): 7–10 days, Large batch (≥50): 12–20 days, Urgent: 4–6 days
  
• Packaging & Delivery: Shockproof foam + export carton (5 units/carton), domestic 3–8 days, overseas 10–35 days
  
• Customization: Dimensions Ø200–800 mm, H200–1000 mm; Materials SUS304, SUS316, other stainless steels; technical feasibility evaluation: 3 working days
  

V. Application Scenarios

1. Core Applications

• Storage, transfer, and auxiliary containers in chemical reactors, pipelines, and production systems
  
• Ensures safe containment of corrosive media
  

2. Operating Conditions

• Temperature: –70°C ~ +450°C
  
• Media: acids, alkalis, salts, organic solvents
  
• Rated pressure: 0.1–1.6 MPa
  
• Industries: petrochemical, fine chemical, pharmaceutical, agrochemical, fertilizer production
  

3. Interface Requirements

• Must match Ø380 mm × H490 mm dimensions
  
• Supports custom flanges or threaded interfaces per client equipment parameters
  

VI. Extended Applications

• Lab-scale or pilot-scale chemical equipment containers
  
• Special chemical material purification vessels
  
• Environmental chemical wastewater treatment containers
  
• Food-grade chemical raw material storage containers
  

VII. After-Sales Service

• Warranty: 18 months, covering dimensional deviation, material defects, weld failure, leakage; free replacement/repair including logistics
  
• Technical Support: Pre-sales consultation, installation guide, welding report, phone/video support
  
• Feedback & Maintenance: 24 h response, solution in 1–3 working days; optional long-term service agreements, biannual on-site inspection, maintenance advice, and technical updates
  

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