ISO 8167:2021 PDF

Resistance welding — Embossed projection welding — Projections for resistance welding

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Title (English):

ISO 8167:2021

Resistance welding — Embossed projection welding — Projections for resistance welding

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 13
Publication date:: June 7, 2021
Edition:: ISO IS 8167 edition 2 version 1
ICS:: 25.160.30

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Description (English):

This document specifies the geometries and dimensions of projections for embossed projection welding. Tools to make the projections are also included in Annex B. The projections are used on hot-rolled, cold-rolled, uncoated and coated steels, stainless steels and nickel alloys for conventional welding quality up to 3 mm thickness, as single projections, in multiples or as a group of multiples. Any solid projections are not included in this document.

Technical details

Technical committee: ISO/TC 44/SC 6 - Resistance welding and allied mechanical joining
SKU: ISO 8167:2021

Abstract

Overview - ISO 8167:2021 (Resistance welding - Embossed projection welding)

ISO 8167:2021 defines the geometries, dimensions and designation of embossed projections used for projection welding (resistance welding). It covers spherical, ring-shaped and elongated projections formed on sheet components - and includes informative annexes with tool examples and alternative dimensions. The standard applies to hot‑rolled, cold‑rolled, coated and uncoated steels, stainless steels and nickel alloys for conventional welding quality up to 3 mm sheet thickness. Solid projections are excluded.

Key topics and technical requirements

Types of projections:
- Spherical (SP) - recommended for sheet thickness ≥ 1 mm.
- Ring‑shaped (RP) - usually for sheets ” (e.g., Projection ISO 8167-SP2,5).

Practical applications and users

ISO 8167:2021 is intended for professionals involved in resistance projection welding and related manufacturing processes:

Welding engineers and WPS authors specifying projection geometry for consistent weld quality.
Toolmakers and die designers developing punches and dies to form embossed projections.
Quality managers and inspectors verifying projection dimensions and tolerances in production.
Automotive, appliance, electrical, and general metal‑fabrication OEMs where projection welding is used for high‑speed assembly of thin sheet parts.

Practical benefits include predictable weld collapse, repeatable current flow paths, reduced electrode wear and consistent mechanical strength of projection welds.

Related standards

ISO 17677‑1 - Resistance welding vocabulary (spot, projection and seam welding), referenced for terms and definitions used in ISO 8167:2021.

Keywords: ISO 8167:2021, embossed projection welding, projections for resistance welding, projection dimensions, spherical projection, ring‑shaped projection, elongated projection, projection welding tools, resistance welding.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview - ISO 8167:2021 (Resistance welding - Embossed projection welding)

Key topics and technical requirements

Types of projections:
- Spherical (SP) - recommended for sheet thickness ≥ 1 mm.
- Ring‑shaped (RP) - usually for sheets ” (e.g., Projection ISO 8167-SP2,5).

Practical applications and users

ISO 8167:2021 is intended for professionals involved in resistance projection welding and related manufacturing processes:

Welding engineers and WPS authors specifying projection geometry for consistent weld quality.
Toolmakers and die designers developing punches and dies to form embossed projections.
Quality managers and inspectors verifying projection dimensions and tolerances in production.
Automotive, appliance, electrical, and general metal‑fabrication OEMs where projection welding is used for high‑speed assembly of thin sheet parts.

Practical benefits include predictable weld collapse, repeatable current flow paths, reduced electrode wear and consistent mechanical strength of projection welds.

Related standards

ISO 17677‑1 - Resistance welding vocabulary (spot, projection and seam welding), referenced for terms and definitions used in ISO 8167:2021.

ISO 8167:2021 PDF

Technical details

Abstract

Overview - ISO 8167:2021 (Resistance welding - Embossed projection welding)

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Abstract

Overview - ISO 8167:2021 (Resistance welding - Embossed projection welding)

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Resistance welding - Embossed projection welding - Projections for resistance welding (ISO 8167:2021)

Resistance welding - Vocabulary - Part 1: Spot, projection and seam welding (ISO 17677-1:2021)

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