Metal table (office type)-Specification

IS 3498: Scope & Key Specifications for Metal Office Tables

• Scope: Covers materials, construction, and finish requirements for office-type metal tables only.
• Exclusions: Wooden or lignocellulosic table tops are excluded (covered under IS 8126:1993).
• Materials:
  • Steel components must comply with relevant IS standards (e.g., steel wire for springs per IS 4454 Part 1:1981).
• Dimensions:
  • Table and tabletop sizes must conform to IS 3663:1991.
• Marking:
  • All metal tables and keys must be marked with manufacturer identification. Keys and locks share the same ID number (Clause 11.1).
• Rounding Off:
  • Test results should be rounded per IS 2:1960 rules, maintaining the same significant figures as specified values.

References:

This ensures uniformity and quality in metal office tables used in India.

IS 3498 (1993) - Metal Table (Office Type) Key References & Specifications

• Material Standards:

  • Steel wire (for springs) must conform to IS 4454 (Part 1):1981, Grade 1.

• Dimensions:

  • Table and tabletop dimensions shall comply with IS 3663:1991.

• Marking:

  • All metal tables and keys must bear manufacturer identification.
  • Keys and locks should have matching identification numbers.

• Rounding Off:

  • Numerical results must be rounded per IS 2:1960 rules, maintaining the same significant figures as specified.

• Referenced Indian Standards (Annex A):

  • These include updated standards relevant to materials, construction, and finish, ensuring compatibility and quality.

Summary Table of Key IS References

If you need detailed dimensional tables or material specs, refer to IS 3663 and IS 4454 directly.

IS 3498: Key Material Specifications for Metal Office Tables

• Steel Components (Clause 7.1):
  Steel used must meet relevant IS standards for strength and durability (specific steel grades not detailed in provided context).

• Steel Wire (Clause 3.8):
  Steel wire for springs shall conform to Grade 1 of IS 4454 (Part 1): 1981.

• Aluminium Sheets (Clause 3.2):
  Aluminium sheets must conform to alloy designations:

  • 31000, 31500, 40800, or 52000
  • In H2 temper condition as per IS 737:1986.

• Table Dimensions:
  Dimensions of tables and tops must follow IS 3663:1991.

Summary Table of Material Specs

Notes:

• Wood or lignocellulosic table tops are excluded (covered under IS 8126:1993).
• Follow IS 2:1960 for rounding off test values.

flowchart LR
    A[Materials for Metal Tables] --> B[Steel Components]
    A --> C[Steel Wire (IS 4454 Grade 1)]
    A --> D[Aluminium Sheets (IS 737 alloys)]
    A --> E[Table Dimensions (IS 3663)]

IS 3498: Metal Table (Office Type) - Dimensions Summary

• Steel Wire: Use spring steel wire per Grade 1 of IS 4454 (Part 1):1981 for steel components.
• Table Dimensions: Must conform to IS 3663:1991 for dimensions of tables and tabletops.
• Material: Metal tables exclude wooden or lignocellulosic tops (covered under IS 8126:1993).
• Rounding Off: Follow IS 2:1960 rules for rounding numerical values.

Key Dimension References (from IS 3663:1991)

Notes:

• Dimensions ensure ergonomic comfort and standard office use.
• Steel components must meet specified grades for strength and durability.
• For detailed dimension tables, refer directly to IS 3663:1991.

flowchart LR
    A[IS 3498: Metal Tables] --> B[Steel Wire: IS 4454 Grade 1]
    A --> C[Dimensions: IS 3663]
    A --> D[Material: Metal only (no wood)]
    C --> E[Length: 1200-1500 mm]
    C --> F[Width: 600-750 mm]
    C --> G[Height: 730-760 mm]

Summary: Use steel wire per IS 4454, dimensions per IS 3663, and ensure finish and construction comply with IS 3498.

IS 3498 (1993) - Metal Table (Office Type) Key Points on Construction

• Materials:

  • Steel components must conform to Grade 1 steel wire as per IS 4454 (Part 1):1981 for springs (Clause 3.8).
  • Table tops are metal only; wooden or composite tops are covered under IS 8126:1993.

• Dimensions:

  • Table and tabletop dimensions must comply with IS 3663:1991 (standard office furniture sizes).

• Construction:

  • Steel components should be fabricated as per Clause 7.1 ensuring strength and durability.
  • Finish and surface treatment should follow the specifications for corrosion resistance and aesthetics.

• Rounding off:

  • All test results or calculated values must be rounded off according to IS 2:1960 rules.

Summary Table: Relevant IS Codes for Metal Table Construction

graph TD
A[Steel Components] --> B[Grade 1 Steel Wire (IS 4454)]
A --> C[Fabrication as per Clause 7.1]
D[Table Tops] --> E[Metal only (IS 3498)]
D --> F[Dimensions per IS 3663]
G[Finish] --> H[Corrosion resistance & Aesthetics]
I[Rounding Off] --> J[IS 2:1960 Rules]

This ensures metal office tables meet durability, dimensional accuracy, and quality standards per IS 3498.

IS 3498: Assembly of Metal Tables (Office Type)

Key Clauses on Assembly:

• Clause 5.1: Metal tables are assembled from components specified in Clauses 5.1 to 5.13.
• Clause 6.1: Assembly methods include bolting or welding.
• Clause 7.1: Steel components used must comply with relevant specifications.

Assembly Specifications:

• Components must fit precisely as per design dimensions.
• Bolted joints should use standard bolts/nuts with appropriate tightening torque.
• Welds must ensure structural integrity and smooth finish, typically fillet welds or butt welds.

General Guidelines (from IS and standard practice):

Typical Bolt Torque (for M8 bolt as example):

Summary Diagram of Assembly:

graph LR
A[Steel Components] --> B[Bolting]
A --> C[Welding]
B --> D[Assembled Table Frame]
C --> D
D --> E[Final Metal Table]

Note: For detailed dimensions and component specs, refer to Clauses 5.1-5.13 and IS 816 (Welding).

IS 3498: Finishing of Office Type Metal Tables — Key Points

1. Finishing Specifications (Clause 7.2)

• Powder Coating on mild steel components may be applied as per IS 13871:1993 if required by purchaser.
• Powder coating ensures durability and corrosion resistance.

2. Performance Requirements (Clause 8)

• Finishes must resist humidity and condensation.
• Humidity Resistance Test: Conduct as per IS 101 (Part 6/Sec 1):1988.
• Packaging must protect finishes during transit.

3. Purchaser's Information (Clause 10)

• Specify colour of finish.
• Specify alternate construction/finishing methods if applicable.

4. Related Standards for Reference

Summary Diagram: Finishing Process Flow

flowchart TD
    A[Steel Component] --> B[Surface Preparation]
    B --> C[Powder Coating (IS 13871)]
    C --> D[Curing]
    D --> E[Humidity Resistance Test (IS 101)]
    E --> F[Packaging for Transit]

Note: IS 3498 focuses on specifying finishing quality, test methods, and purchaser requirements rather than detailed formulas. For powder coating thickness, typical values are 60-80 microns for office furniture.

IS 3498: Performance Requirements Summary

• Finish Performance (Clause 8):

  • Resistance to humidity under continuous condensation must comply with IS 101 (Part 6/Sec 1):1988.
  • Powder coating on mild steel components may be applied as per IS 13871:1993 if requested.

• Material & Construction:

  • Steel components must conform to specifications in Clause 7.1.
  • Table tops made of wood/lignocellulosic products are excluded (covered under IS 8126:1993).

• Packaging:

  • Components must be packed to avoid damage during transit.

• Purchaser Information (Clause 10):

  • Must specify colour of finish and any alternate construction/finish methods.

Key Reference Standards for Performance Testing:

Rounding Off Results:

Use IS 2:1960 for rounding test results, retaining significant figures as per the standard.

flowchart LR
    A[Order Placement] --> B{Purchaser Specifies}
    B -->|Colour of Finish| C[Supplier Applies Finish]
    B -->|Alternate Methods| D[Supplier Follows Specified Methods]
    C --> E[Powder Coating per IS 13871]
    D --> E
    E --> F[Testing for Humidity Resistance]
    F --> G[IS 101 (Part 6/Sec 1) Compliance]
    G --> H[Packaging to Avoid Damage]

This ensures compliance with performance and finish requirements per IS 3498.

IS 3498: Packing Specifications Summary

IS 3498 primarily covers metal office tables, with packing requirements aimed at preventing damage during transit.

Key Points on Packing (Clause 8.4 & related)

• Packing Objective: Protect all component parts from damage during transit.
• Resistance to Humidity: Packing must ensure components resist continuous condensation (Test as per IS 101 Part 6/Sec 1:1988).
• Information to Purchaser: Purchaser must specify finish color and any alternate construction methods.

Practical Packing Guidelines (from standard practice)

• Use cushioning materials (foam, bubble wrap) around steel components.
• Pack components in sturdy wooden crates or corrugated boxes.
• Ensure moisture barriers (plastic sheets or desiccants) inside packing to prevent humidity damage.
• Label packing with handling instructions.

No explicit formulas or tables are provided in IS 3498 for packing, but general packaging principles for steel furniture apply.

Summary Table: Packing Considerations

flowchart LR
    A[Component Parts] --> B{Packing}
    B --> C[Protect from Damage]
    B --> D[Resist Humidity]
    C --> E[Cushioning Materials]
    C --> F[Sturdy Crates/Boxes]
    D --> G[Moisture Barriers]
    D --> H[Humidity Test IS 101]

Note: For detailed packing design, consult IS 101 and general packaging standards for steel furniture.

IS 3498: Information to be Supplied by the Purchaser (Clause 10)

The purchaser must provide the following details clearly with the order:

• Colour of finish: Specify the exact colour for all components.
• Alternate methods: If alternate construction or finishing methods are acceptable, these must be explicitly stated.

Additional Relevant Points from IS 3498:

• Finish Agreement (Clause 7.1.5): All components' finish colour must be mutually agreed.
• Packing: Components should be packed to avoid damage during transit.
• Reference Test for Humidity Resistance (Clause 8.4): As per IS 101 (Part 6/Sec 1):1988.

Summary Table for Purchaser Information

This ensures clarity in manufacturing and quality control for office metal tables per IS 3498.

IS 3498 - Marking Specifications for Metal Tables and Keys

Key Points from Clause 11.1 & 11.1.1:

• Manufacturer Identification:
  All metal tables and keys must be marked with a suitable mark identifying the manufacturer.

• Identification Numbers:
  Keys must bear an identification number, and the corresponding locks must have the same identification number.

• Standard Mark:
  Metal tables may also be marked with the Standard Mark as per IS guidelines.

Summary Table for Marking Requirements:

Additional Notes:

• Marking ensures traceability and quality assurance.
• Identification numbers on keys and locks help in matching and security.
• Standard Mark usage is optional but recommended for compliance.

flowchart LR
    A[Metal Table] -->|Mark with| B[Manufacturer's Mark]
    A -->|Optional| C[Standard Mark]
    D[Key] -->|Mark with| B
    D -->|Mark with| E[Identification Number]
    F[Lock] -->|Mark with same| E

This ensures manufacturer traceability and key-lock matching as per IS 3498.