WELDING (WD)

A Welding (WD) Instruction provides detailed, standardized guidance for performing welding tasks safely and correctly. It is typically issued to ensure quality, consistency, and compliance with engineering specifications and safety standards.

Here’s a basic template and example content for a Welding (WD) Instruction:

🔧 WELDING (WD) INSTRUCTION
1. Document Control
WD No.: WD-001

Revision: 1.0

Date: 2025-05-21

Prepared by: [Name]

Approved by: [Name]

2. Scope
This instruction covers the welding process for [component/system], including materials, methods, inspection criteria, and safety requirements.

3. Welding Process
Type: [e.g., SMAW, GTAW, MIG, TIG, FCAW]

Welding Position: [e.g., 1G, 2G, 3G, 6G]

Process Code: [Refer to WPS or project specification]

4. Materials
Base Metal: [e.g., ASTM A36, SS304]

Filler Metal: [e.g., E7018, ER70S-6]

Backing Material (if any): [Specify]

5. Pre-Welding Requirements
Verify cleanliness and fit-up.

Check material certificates.

Preheat temperature: [e.g., 100°C minimum]

Joint preparation according to DWG No. [drawing number]

6. Welding Procedure
Follow WPS No. [WPS number]

Control interpass temperature.

Maintain proper electrode storage.

Weld sequence and passes defined in drawing/spec.

7. Post-Welding Requirements
Post-weld heat treatment (if applicable): [e.g., 600°C for 2 hours]

Visual inspection: 100%

NDT method: [e.g., RT, UT, MT, PT]

Acceptance criteria: As per [code e.g., ASME Sec IX, AWS D1.1]

8. Safety Requirements
Use of PPE (gloves, goggles, helmets, etc.)

Adequate ventilation for fumes

Fire extinguisher availability

Safe storage of gas cylinders and consumables

9. Attachments
Welding Procedure Specification (WPS)

Procedure Qualification Record (PQR)

Drawings and Isometrics

Material Test Certificates