Welding Process Articles – Welding Knowledge

Category: Welding Process Articles

7 Posts

Welding Process Articles, Welding Qualification

“How Should I Ensure High-Quality TIG Root Welding in Stainless Steel Pipes During WPQR ?”

August 6, 2025 — 0 Comments

Welding Metallurgy Articles, Welding Process Articles

Repair-welding of S355J2W +N (Weathering Steel)?

December 20, 2021 — 0 Comments

Welding Process Articles

Suggest suitable filler metal for joining dissimilar metals- 1.25 Cr-0.5Mo Steel with X2CrNi12 Steel

February 17, 2021 — 0 Comments

Welding Metallurgy Articles, Welding Process Articles

Is there any classification code or AWS electrode classification available to select filler metal / electrode for weld assembly requiring post weld heat treatment (PWHT) operation?

September 21, 2020 — 0 Comments

Welding Process Articles

Case Study:-What is the Preheat Temperature of 19 mm butt weld thickness having base metal C.E. =0.41?

August 10, 2020 — 0 Comments

Welding Process Articles

Importance of Dilution in Dissimilar metal welding and calculations of weld metal compositions.

July 3, 2020 — 0 Comments

Welding Process Articles

How to calculate weld metal volume & filler metal requirement ?

June 25, 2020 — 0 Comments

WIC-IIW 2025 Ahmedabad

welding Metallurgy WIC-IIW 25

WIC-IIW 2025

ISO 14731 WELDING COORDINATOR SEMINAR

EN ISO WPQR SS SCH 80 PIPE WELDING

ISO WELDING SYMBOL WELDING DRAWING INTERPRETATION

WPQR

ISO 15614-1 WPQR ISO 9606-1

WELDING TRAINING TO CLIENTS

EN ISO WPS WPQR

ISO 3834 SEMINAR

ISO 3834 AWARENESS

ISO 15614-1 WPQR SESSION

WELDING TRAINING

ISO 9606-1 FW PF WQT

ISO 9606-1 Welder Qualification Test FW PF Position

ISO 9606-1 FW Test Coupons

WELDING TRAINING

WPS MAKING EXERCISE

EN ISO WELDING PROGRAM

ISO 15614-1 WPQR SESSION

GROUP PIC

Stainless Steel welding trouble shooting Q-A at NASCO, Mumbai

Seminar on Stainless Steels

Invited Talk 5th June Mumbai

Welding Metalurgy of Stainless-Steels at GSSE 2025 Mumbai invited by IndiaWelds

GROUP PIC

TALK ON MOC UREA GRADE

GNFC TALK

GROUP PIC MCPI

MCPI TALK

EN ISO 14731 TALK

EN 15085 AWARENESS

ISO 3834 AWARENESS

Weldability of API 5L X70 material for cross country pipeline welding

DSS WELDABILITY

Stainless steel 904L Material Pressure Vessel Welding Witnessed

EN ISO 135 Process WPQR witness

WPQR 135 FW PB position Witness

API 1104 Welder qualification

WELDING QUALIFICATIONS

AWS IX WELDING TRAINING DELIEVERED

API 1104 WPS Training

WIC IIW SPEAKER CERTIFICATE

IIW India WIC 2023

WIC 23 IIW India

Talk on Welding Metallurgy IIW India WIC 23

Purging Tech SS

Visit to Welding Shopfloor

ISO 9606-1 WQR Witness

Process 135 Gr.8/8.1 BW WPQR

135 BW 5mm # 5 mm PC

Need of Purging in SS pipes

Distortion control in Austenitic SS weldng

Interactions with Welding Engineers

INTERACTIONS

Welding Staff

ASME SEC-IX

Welder Qualification Test

WITNESS WQP

Training on ASME SEC-IX

passivation treatment of SS

EN/ISO Welding Code Training Certificate

Practice WPS-PQR-WPQ ASME SEC-IX

With Participants-ASME BPV SEC IX Code WPS-PQR-WPQ Training

ASME BPV SEC IX Code WPS-PQR-WPQ Training

ASME BPV SEC IX Code WPS-PQR-WPQ Training

With Industrial participants-ASME BPV SEC IX Code WPS-PQR-WPQ Training

ASME BPV SEC IX Code WPS-PQR-WPQ Training

Invited talk at IIW Baroda Branch

Invited talk at IIW Baroda Branch

Visited Inox CVA & ITM Welding Skill Devlelopment Centre ITM Baroda University with Director Dr. K.B.Pai

Visited Inox CVA & ITM Welding Skill Devlelopment Centre ITM Baroda University with Director Dr. K.B.Pai

With Participants-ASME BPV SEC IX Code WPS-PQR-WPQ Training

Discussion on WPS-PQR-WPQ Case Studies

Case Study Discussion on Procedure qualification

Talk on Advances in Welding at Navrachna University, Baroda

Invited talk at WIC-IIW Baroda branch

Invited talk at PU, Baroda

Invited talk -IIW Baroda branch

Invited talk -IIW Baroda branch

Invited talk -IIW Baroda branch

Invited talk -IIW Baroda branch

Invited talk -IIW Baroda branch

Welding Conference

With my Mentor Dr Damian Koteck-Welding Consultant-USA

IIW International SC-IIC Presentation

Expert talk on Advances in GTAW at BITS-Baroda

IIW International SC-IIC Presentation

NWM 2018

With Experts in IIW SC-IIC Meeting

Talk in ME Welding Tech MSU Baroda

Talk in ME Welding Tech MSU Baroda

PhD convocation

My Students-My strength

CERTIFICATE

CERTIFICATE

Training of Welders

Test Piece

ASME SEC IX WPS PQR WPQ Training to directorate of Boiler Department officers, Vatva Ahmedabad 25th Feb 2024

ASME SEC IX WPS PQR WPQ Training to directorate of Boiler Department officers, Vatva Ahmedabad

Group photo with participants ASME SEC IX WPS PQR WPQ Training

Me with my Students (My left Mr. Aalok Patel, My Right Mr. Darshan Solanki Welding Professionals..

BASIC METLLURGY

P. K. Nanavati & D. J. Kotecki & Sanjay N. Soman (2019), “Effect of weld metal ferrite content on mechanical properties and stress corrosion cracking resistance in 22 Cr 5 Ni duplex stainless steel, Welding in the World volume, 63, pages 793–805(2019) .
https://doi.org/10.1007/s40194-019-00708-1

PK Nanavati and Sanjay N Soman (2018), “An Experimental Comparative Review of Ferrite Measurement Techniques used in Duplex Stainless Steel (UNS S32205) Welds, INDIAN WELDING JOURNAL Volume 51 No. 2, April 2018, pp. 75-83. DOI : 10.22486/iwj/2018/v51/i2/170309

PK Nanavati and Sanjay N Soman (2019),”Solidification Behavior of Duplex Stainless Steel (UNS S32205) Welds as a Function of WRC–1992 Diagram Equivalents and Cooling Rate,INDIAN WELDING JOURNAL Volume 52 No. 2, April 2019,pp. 65-73. DOI : 10.22486/iwj/2019/v52/i2/181777

Dhruv Patel, P.K.Nanavati, C.M.Chug, “Effect of Ca and Ba Containing Ferrosilicon Inoculants on Microstructure and Tensile Properties of IS-210, and IS-1862 Cast Irons”, National Conference on Emerging trends in Engg. Technology & management”-Ahmedabad, Gujarat ISBN No.:- 978-81-923049-9-1

P. K. Nanavati et al, (2021): A Study on the Comparison Between
Activated TIG Variants onWeld Bead
Profile of P91 Steel. Part: 1, Recent Advances in Mechanical Infrastructure,
Lecture Notes in Intelligent Transportation and Infrastructure, pp. 67-81.
https://doi.org/10.1007/978-981-33-4176-0_6

P. K. Nanavati et al,(2021): Comparisons of Different Oxide Fluxes in Activated Gas Tungsten Arc Welding
of Duplex Stainless Steels for Improved Depth of Penetration and Pitting Corrosion Resistance,
Advances in Materials and Processing Technologies, pp.1-18, DOI: 10.1080/2374068X.2021.19162

P. K.Nanavati , Rudrang Chauhan et al ( 2022): Modelling on CVN Toughness of Weld Deposits, Jurnal Kejuruteraan 34(4) 2022: 649-657. https://doi.org/10.17576/jkukm-2022-34(4)-13