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IS 10019 : 1981Specification for mild steel stays and fasteners

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ASTM A307 · ASTM F1554 · ISO 898-1
CurrentSpecializedSpecificationMaterials Science · Builder Hardware
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OverviewValues6InternationalTablesFAQ4Related

IS 10019:1981 is the Indian Standard (BIS) for mild steel stays and fasteners. This specification covers the material requirements, dimensions, manufacture, workmanship, finish, and testing for various types of mild steel stays and fasteners, such as casement stays and fanlight stays, commonly used as builder's hardware.

Specification for mild steel stays and fasteners

Overview

Status
Current
Usage level
Specialized
Domain
Materials Science — Builder Hardware
Type
Specification
International equivalents
ASTM A307-21 · ASTM International, USAASTM F1554-18 · ASTM International, USAISO 898-1:2013 · ISO, International
Typically used with
IS 226IS 1599IS 1608IS 4759IS 9000
Also on InfraLens for IS 10019
6Key values4Tables4FAQs
Practical Notes
! The primary material requirement is conformance to IS 226 (now superseded by IS 2062), ensure material test certificates are available.
! Pay close attention to the workmanship and finish clause (Clause 5), ensuring products are free from cracks, burrs, and sharp edges for safety and proper functioning.
! Verify the BIS certification mark on the product or packaging as a sign of conformity to this standard.
Frequently referenced clauses
Cl. 3MaterialCl. 4Dimensions and TolerancesCl. 5Workmanship and FinishCl. 7Mechanical TestsCl. 9Marking
Pulled from IS 10019:1981. Browse the full clause & table index below in Tables & Referenced Sections.
mild steelfastenersbuilder hardware

International Equivalents

Similar International Standards
ASTM A307-21ASTM International, USA
HighCurrent
Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod
Covers general purpose low-carbon (mild) steel bolts and threaded rods, directly aligning with the fastener aspect of IS 10019.
ASTM F1554-18ASTM International, USA
HighCurrent
Standard Specification for Anchor Bolts, Steel
Grade 36 of this standard is a direct equivalent for the mild steel stay rods and anchor bolts covered by IS 10019.
ISO 898-1:2013ISO, International
MediumCurrent
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes
Defines mechanical property classes; the lower classes (e.g., 4.6) are equivalent to the mild steel used in IS 10019 fasteners.
BS 7419:1991BSI, United Kingdom
MediumWithdrawn
Specification for holding down bolts
Provided specifications for anchor bolts, similar to the 'stays' in IS 10019, before being replaced by the Eurocode system.
Key Differences
≠IS 10019 consolidates general fasteners and specific 'stays' (anchor rods) into a single document, whereas modern international practice uses separate, dedicated standards (e.g., ASTM A307 for bolts, ASTM F1554 for anchor bolts).
≠IS 10019 specifies material based on older Indian steel grades (like IS 226) defined by a single minimum tensile strength. International standards like ISO 898-1 use a property class system (e.g., 4.6) that formally defines yield strength, tensile strength, and elongation, providing more complete material control.
≠A 180-degree bend test is a mandatory requirement in IS 10019. While similar tests exist for specific products like anchor rods in international standards (e.g., ASTM F1554), it is not a typical requirement for general-purpose fasteners under standards like ASTM A307 or ISO 898-1.
≠IS 10019 is a prescriptive standard, detailing dimensions and manufacturing. Modern counterparts like ISO 898-1 are performance-based, focusing on the required mechanical properties and leaving manufacturing details to the producer, as long as the final product meets the specified class.
Key Similarities
≈The core material specified or implied in all standards is low-carbon (mild) steel, intended for general-purpose, non-high-strength applications.
≈All comparable standards recognize hot-dip galvanization as the primary method for corrosion protection in outdoor or aggressive environments, referencing relevant national or international galvanizing standards.
≈The primary mechanical property used for classification and acceptance in both IS 10019 and its international counterparts is the ultimate tensile strength of the fastener.
≈Both the Indian standard and its equivalents cover products (threaded rods, bolts) intended for similar applications, such as utility structures, light structural steel, and general construction fastening.
Parameter Comparison
ParameterIS ValueInternationalSource
Minimum Tensile Strength (General Fasteners)410 MPa (based on steel grade IS 2062 Gr A or IS 226)414 MPa (60 ksi)ASTM A307-21 (Grade A)
Minimum Yield Strength (Anchor Rods/Stays)~240-250 MPa (typical for specified steel grade, but not explicitly mandated in the standard)248 MPa (36 ksi)ASTM F1554-18 (Grade 36)
Minimum Tensile Strength (Property Class)410 MPa400 MPa (Nominal)ISO 898-1:2013 (Class 4.6)
Minimum Elongation (on 5.65√S₀ gauge length)23%23% (for Grade 36)ASTM F1554-18
Governing Hot-Dip Galvanizing StandardIS 2629ASTM A153/A153MASTM A307-21
Governing Thread StandardIS 4218 (ISO Metric Screw Threads)ASME B1.1 (Inch) or ASME B1.13M (Metric)ASTM A307-21
Mandatory Bend TestRequired (180 degrees around specified mandrel)Not required for general bolts; required for anchor bolts.ASTM A307-21 / ASTM F1554-18
⚠ Verify details from original standards before use

Key Values6

Quick Reference Values
Material ConformanceMild steel conforming to IS 226
Minimum Tensile Strength410 MPa
Minimum Elongation on Gauge Length 5.65√S₀20 %
Bend Test RequirementShall withstand being bent cold through 180° without fracture
Maximum Sulphur Content0.055 %
Maximum Phosphorus Content0.055 %

Tables & Referenced Sections

Key Tables
Table 1 - Dimensions of Casement Stays, Peg Type
Table 2 - Dimensions of Casement Stays, Lever Type
Table 3 - Dimensions of Fanlight Stays
Table 4 - Mechanical Properties of Mild Steel Stays
Key Clauses
Clause 3 - Material
Clause 4 - Dimensions and Tolerances
Clause 5 - Workmanship and Finish
Clause 7 - Mechanical Tests
Clause 9 - Marking

Related Resources on InfraLens

Cross-Referenced Codes
IS 226:1975Structural Steel (Standard Quality)
→
IS 1599:2019Metallic Materials - Bend and Re-Bend Test fo...
→
IS 1608:2005Mechanical Testing of Metals - Tensile Testin...
→
IS 4759:1996Hot-Dip Zinc Coatings on Structural Steel and...
→
IS 9000:2018Mini Cement Plants — Specification
→

Frequently Asked Questions4

What grade of steel is specified for these stays and fasteners?+
The standard specifies mild steel conforming to IS 226, which was the standard for structural steel at the time. An equivalent modern grade from IS 2062 would be E250A.
What are the essential mechanical tests required by this standard?+
The key mechanical tests are the Tensile Test (Clause 7.1) and the Bend Test (Clause 7.2) to verify strength and ductility.
Does this standard cover anti-corrosion finishes?+
Yes, Clause 5.2 states that the stays and fasteners shall be finished with a suitable protective coating (like plating, painting, or galvanizing) as agreed between the purchaser and manufacturer.
Are the dimensions for all types of stays specified?+
Yes, the standard provides dimensional tables (Tables 1, 2, 3) for common types like peg type casement stays, lever type casement stays, and fanlight stays.

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