The 2008 edition of IS 15834 Part B details the specifications for stainless steel sliding door bolts intended for use with padlocks. It covers aspects such as materials, manufacturing standards, dimensions, surface finish, and performance criteria, making it crucial for professionals ensuring corrosion-resistant and durable hardware suitable for humid and coastal settings.
Overview
The 2008 edition of IS 15834 Part B details the specifications for stainless steel sliding door bolts intended for use with padlocks. It covers aspects such as materials, manufacturing standards, dimensions, surface finish, and performance criteria, making it crucial for professionals ensuring corrosion-resistant and durable hardware suitable for humid and coastal settings.
Audience
Contents
Structure
IS 15834 Part B defines the scope including key specifications and sampling criteria:
Available bolt lengths: 200 mm, 250 mm, 300 mm
Sampling and acceptance limits based on lot size (Clause 10.2, Table 1):
| Lot Quantity | Sample Count | Maximum Defects Allowed |
|---|---|---|
| Up to 200 | 5 | 0 |
| 201 to 300 | 8 | 1 |
| 301 to 500 | 13 | 2 |
| 501 to 800 | 20 | 2 |
| Over 800 | 25 | 3 |
Material certificates confirming compliance with Clause 4 are mandatory.
Standards referenced include IS 1608, IS 6527, and IS 6911.
This section ensures quality control by defining sampling sizes and acceptance criteria based on lot quantities.
This section lists the related IS codes referenced in IS 15834 Part B:
It also reiterates bolt sizes (200 mm, 250 mm, 300 mm) and conformity criteria as per sampling tables, emphasizing the necessity of a certificate of material compliance from manufacturers.
This part outlines the required material standards for stainless steel sliding door bolts:
Bolt lengths offered: 200 mm, 250 mm, 300 mm
Stainless steel grades as per IS 6911:
Material testing follows IS 1608 for tensile strength.
Sampling and defect thresholds are detailed as in Clause 10.2, Table 1.
The section ensures the use of appropriate stainless steel grades and adherence to mechanical property standards.
Key requirements for production and finishing include:
Provision of a certificate of compliance regarding material per Clause 4 (Clause 10.5).
Sampling and defect limits as per Clause 10.2, Table 1.
Corrosion resistance testing (Clause 10.3.3) if requested, typically a 48-hour salt spray test.
Material and finish must conform to referenced standards to ensure durability and corrosion resistance.
Manufacturers must adhere strictly to quality controls and testing protocols to guarantee product integrity.
This section specifies dimensional requirements and tolerances:
Bolt diameters available: 12 mm, 14 mm, 16 mm
Thicknesses:
Length options: 200 mm, 250 mm, 300 mm
Edges and corners must be smooth without sharpness
Dimensions must comply with Fig. 1 of the standard (not included here).
Sampling and acceptance criteria per Clause 10.2, Table 10.4.
Strict conformance to these dimensional standards ensures proper fit and function.
Marking and packaging guidelines include:
Bolts may carry the BIS Standard Mark according to the BIS Act, 1986.
Each carton must be labeled with the manufacturer’s name or trademark.
Bolts should be packed securely in cartons to prevent damage during transport.
Sampling and acceptance limits apply to packaging quality as well (Clause 10.2, Table 10.4).
These measures ensure traceability, product integrity, and compliance with regulatory standards.
Quality control through sampling is mandated as follows:
This statistically based inspection method balances efficiency and quality assurance.
Testing requirements include:
Sampling and acceptance criteria per Clauses 10.2 and 10.4.
Tensile testing following IS 1608:2005 when requested, to verify mechanical strength.
Corrosion resistance testing (usually salt spray test for 48 hours) if specified.
Standard sizes covered are 200 mm, 250 mm, and 300 mm.
These tests confirm compliance with mechanical and environmental performance standards.
This section addresses corrosion resistance:
These criteria ensure bolt durability in aggressive environments such as coastal areas.
Key points for inspection and quality control:
These controls maintain consistent product quality and conformity to specifications.
This section covers certification and marking:
This ensures traceability, consumer confidence, and adherence to regulatory requirements.
Annex A lists members of the Builder’s Hardware Sectional Committee (CED 15) responsible for this standard’s development.
Committee includes representatives from government agencies, industry, research bodies, and BIS officials.
Chairman: Shri B. Majumdar
Member Secretary: Shri Naveen Kumar Veeramalla
Organizations involved include Central Building Research Institute, Delhi Development Authority, Godrej & Boyce, Hindalco, Indian Institute of Architects, Ministry of Railways, and others.
This ensures wide-ranging expertise and stakeholder participation in standard formulation.
Frequently Asked
IS 15834 Part B references related standards IS 6527 and IS 6911 for stainless steel materials, but does not explicitly list grades. Commonly used stainless steel grades based on these references include austenitic types such as 304 and 316, known for excellent corrosion resistance, and martensitic types like 410 and 420, which offer higher strength with moderate corrosion resistance. For sliding door bolts, SS 304 and SS 316 are preferred to ensure durability, especially in humid or coastal conditions.
The standard mandates using appropriate stainless steel grades suitable for resisting corrosion, requires manufacturing bolts with smooth, polished surfaces free from defects, and enforces dimensional and finish inspections to reject defective items. Additionally, if requested, corrosion resistance testing such as a 48-hour salt spray test must be conducted. These combined requirements guarantee that the sliding door bolts remain rust-free and durable, particularly in high humidity or coastal environments.
Bolts must adhere to dimensions specified in Fig. 1 of the standard, typically including bolt diameters of 12, 14, or 16 mm with thicknesses of 2.20 mm (for 12 and 14 mm diameters) and 2.50 mm (for 16 mm diameter). Lengths offered are 200, 250, and 300 mm. Tolerances are generally ±0.5 mm for length and ±0.2 mm for diameter. Bolts must have smooth edges with a polished finish. Bolts outside these tolerances or with surface defects are classified as defective and rejected.
Conformity is assessed by random sampling according to lot size with sample sizes and maximum allowed defects prescribed in Table 1 of the standard. A lot passes if defective bolts in the sample do not exceed permissible limits. Additionally, manufacturers must supply a certificate confirming material compliance. This systematic approach ensures that only lots meeting quality standards are accepted.
Each bolt should be marked with its manufacturer’s name or trademark, and the words "Stainless Steel" clearly indicated. Bolts may also carry the BIS Standard Mark if the manufacturer holds the relevant license. Packaging must involve secure cartons labeled with manufacturer or trademark information to ensure traceability. If requested, corrosion resistance testing must be performed, typically a 48-hour salt spray test, to guarantee product quality during transport and use.
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