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IS 460:2000 (Part 1) is the Indian Standard (BIS) for test sieves: part-i wire cloth test sieves. This standard specifies the requirements for woven wire cloth test sieves used for particle size analysis of granular materials like soils, aggregates, and powders. It details aperture size tolerances, acceptable wire diameters, and standard frame dimensions essential for consistent and standardized laboratory testing.
Test Sieves: Part-I Wire Cloth Test Sieves
Overview
Status
Current
Usage level
Frequently Used
Domain
Materials Science — Sieves, Sieving and Other Sizing Methods
! Woven wire cloth sieves, especially fine ones (e.g., 75 microns), are susceptible to blinding (clogging) and wire distortion; always use a soft bristle brush rather than sharp objects to clean the mesh.
! For highly abrasive materials, specify stainless steel wire cloth rather than brass or phosphor bronze to maintain aperture tolerances and increase the lifespan of the sieve.
! Routinely verify that sieve frames nest perfectly with lids and receiver pans to prevent fine material loss during mechanical shaking.
Test sieves. Technical requirements and testing. Test sieves of metal wire cloth
Provided technical requirements for wire cloth test sieves, closely aligned with IS 460:2000.
DIN ISO 3310-1:2017DIN (German Institute for Standardization, Germany)
HighCurrent
Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
German national adoption of the ISO 3310-1 standard for wire cloth test sieves.
Key Differences
≠IS 460:2000 is based on older international standards, while current versions like ISO 3310-1:2016 and ASTM E11-20 have been updated with tighter tolerances and refined verification methods.
≠ASTM E11 specifies three distinct conformity levels (Compliance, Inspection, Calibration) with progressively stricter tolerances and documentation, a system not explicitly detailed in IS 460.
≠The range of supplementary sieve aperture sizes available in ISO and ASTM standards is often more extensive than the primary series listed in IS 460, offering finer gradations for specialized analyses.
≠Permissible aperture tolerances in the current ISO 3310-1:2016 are generally stricter than those specified in the older IS 460:2000 for equivalent sieve sizes.
Key Similarities
≈All standards are fundamentally based on a primary sieve series with aperture sizes derived from the 'R' series of preferred numbers, with a base of 1 mm.
≈The general construction requirements, including the use of rigid, circular frames and the secure mounting of the wire cloth, are conceptually identical across all standards.
≈All standards mandate that sieves must be clearly and permanently marked with essential information, including nominal aperture size, the standard it complies with, and the manufacturer's identification.
≈The core principle of defining tolerances for both the nominal aperture size and the wire diameter is a shared feature, ensuring the quality and consistency of the sieving medium.
Parameter Comparison
Parameter
IS Value
International
Source
Primary Sieve Series Basis
R 20 series based on 1 mm (e.g., 850 µm, 1.00 mm, 1.18 mm)
R 40/3 series based on 1 mm (allows for more intermediate sizes)
ISO 3310-1
Aperture Tolerance (1.00 mm Sieve)
Max variation for an individual aperture: ±0.054 mm
Max variation for an individual aperture: ±0.045 mm
ISO 3310-1:2016
Aperture Tolerance (125 µm Sieve)
Max variation for an individual aperture: ±12 µm
Max variation for an individual aperture: ±9 µm
ISO 3310-1:2016
Wire Diameter (for 1.00 mm Sieve)
0.63 mm nominal
0.63 mm nominal
ISO 3310-1:2016
Standard Frame Diameters
100, 200, 300, 450 mm
Common sizes include 200 mm, 203 mm (8 in), 300 mm, 305 mm (12 in)
ISO 3310-1 / ASTM E11
Conformity Levels
Specifies a single grade of test sieve.
Defines 'Compliance', 'Inspection', and 'Calibration' sieves with different tolerance levels.
ASTM E11 - 20
Labelling Requirements
Requires nominal size, standard mark, and maker's name.
Requires nominal size, standard, unique serial number, frame/cloth material, and maker's name.
ASTM E11 - 20
⚠ Verify details from original standards before use
Key Values4
Quick Reference Values
Standard frame diameters200 mm and 300 mm
Full depth for 200 mm diameter frame50 mm
Half depth for 200 mm diameter frame25 mm
Wire cloth aperture range32 microns to 125 mm
Tables & Referenced Sections
Key Tables
Table 1 - Nominal Aperture Sizes and Tolerances for Wire Cloth
What is the difference between IS 460 Part 1 and Part 2?+
Part 1 specifies woven wire cloth test sieves (typically used for finer materials), while Part 2 covers perforated plate test sieves (typically used for coarser aggregates > 4.75mm).
What materials are allowed for manufacturing the sieve wire cloth?+
Phosphor bronze, brass, or stainless steel, selected based on the aperture size, chemical requirements, and durability needs.
What are the standard depths for a 200 mm diameter test sieve?+
The standard full depth to the wire cloth is 50 mm, and the half depth is 25 mm.