Engineering Welding

SUBHASH DAS

E-Mail: **********@*****.***

Mobile: +91-997*******

Seeking career enrichments in Welding Engineering/Metallurgy & Materials

Engineering in a reputed organization.

CAREER PRECIS

< M.Tech/M.E. (Welding Technology) professional with nearly 6 years and 2

months of experience in Welding Engineering/Heat Treatment/Metallurgy.

< Capable of managing the spectrum of activities spanning welding, heat

treatment, quality control and coordination with cross functional

departments.

< Preparing Welding Procedure Specification & carrying out Procedure

Qualification and Welders'/Welding Operators' Performance Qualifications

in accordance with ASME Section IX, ASME Sec. VIII Div. I & II, ASME

Section II (Part C), API 934A, API 5L and customer specifications for

various welding processes particularly SMAW, SAW, GTAW, FCAW, ESSC for

various grades of Carbon Steels, Alloy Steels and Stainless Steels for

groove, overlay and tube to tube-sheet welding.

< Preparing Heat treatment procedures & execution of Heat treatments in

accordance with ASME Sec. VIII Div. I & II, WRC 452, ASME B31.3, API

934A, NACE requirements and customer specifications for various grades of

Carbon Steels, Alloy Steels equipments.

< Proven capability in identifying & resolving manufacturing & workforce

related issues with professional ease; strong contributions in resolving

production, heat treatment & quality related problems using modern

techniques.

< Possess excellent communication, interpersonal, organisational skills

with an ability to apply new concepts in a productive manner.

DOMAIN SKILLS

> Preparing Welding Procedure Specification & carrying out Procedure

Qualifications in accordance with ASME Section IX, ASME Sec. VIII Div. I

& II, ASME Section II (Part C), API 934A, API 5L and customer

specifications for various welding processes particularly SMAW, SAW,

GTAW, FCAW, ESSC for various grades of Carbon Steels, Alloy Steels and

Stainless Steels for groove, overlay and tube to tube-sheet welding.

> Carrying out the Welder Performance Qualification (WPQ) for

Welders/Welding Operators.

> Reviewing Raw Material Test Certificates and inspection of Welding

Electrodes & Filler Wires & clearance as per the applicable code

specification.

> Planning & execution of,

-Quenching & Tempering of Shells & Dish ends of pressure vessels.

-Full job Stress relieving in accordance with design code & customer

specifications

-Local stress relieving of Circular seams as per WRC 452.

-Simulation Heat Treatment & testing of Various Base metal as per

requirement

> Failure analysis of weld, base metal using different metallurgical

characterization techniques.

.

ORGANISATIONAL SCAN

Since July'2009 with Larsen & Toubro, Hazira.

Welding Manager & Metallurgist - (Heavy Engineering Division)

Key Deliverables:

> Analyzing the exact requirements of clients through Purchase Order (P.O)

and thorough study of client's technical specification.

> Providing technical inputs on raw material (carbon steel, alloy steel and

stainless steel) simulation heat treatment.

> Providing inputs to designers on best suitable welding joints considering

low weld metal consumption, distortion & accessibility to the joint.

> Planning of welding activities of Process Plant Equipments and execution

of the same.

> Estimation & scheduling of Welding Consumables (CS, LAS, SS & Non-

ferrous) after finalizing the consumables based on technical requirements

of the project.

> Qualifying groove, overlay and tube to tube-sheet welding PQRs in

accordance with the requirements of ASME Sec. IX, ASME VIII Div. I & II,

API 934A and client's technical specification. Preparation of Welding

Procedure Specifications (WPSs) using the qualified PQRs and Weld-Map.

Approval of Weld-Map by Authorized Inspector.

> Preparation of Shop Weld Plans (SWPs - enabling the production shops to

easily identify WPSs to be used for welding seams) and Test Plans

(required NDTs to be performed for each seams).

> Preparation of Weld Repair Procedures, Production Test Coupons (PTC)

procedures, Consumable Control Procedures.

> Resolving the welding related issues of manufacturing shops.

> Coordination with testing lab in sampling and testing in accordance with

requirements of applicable specification.

> Planning of Stress Relieving heat treatment of Process Plant Equipments

and execution of the same.

> Preparation of Heat Treatment plan (HTP - enabling the production shops

to easily identify heat treatment requirement)

> Deciding heat treatment cycle for Hot forming, Hot Rolling, Quenching,

Tempering, Solution annealing, Stabilizing.

Notable Highlights:

> Planning and execution of Cr-Mo-V reactors for IOCL.

> Planning and execution of Stripper and Reactors for Kaltim, Indonesia.

> Successful qualification of automatic tube to tube-sheet joint for duplex

material.

> Quenching & Tempering of Cr-Mo shells & D'ends of Reactor, Stripper &

successful simulation testing.

> Full job PWHT of pressure vessels constructed of carbon Steel, C-Mn, Mn-

Mo Cr-Mo, Cr-Mo-V steels.

> Low Temperature Local PWHT of D'end to Tube-sheet joint of EO 'Reactor in

compliance with WRC 452.

> Local PWHT of Tube to Tube-sheet Joint of Waste Heat Boiler.

> Method established for PWHT of Multiwall Ammonia converters, Reactors

using internal firing arrangement

June'2006 - Aug'2007 with Aditya Birla Group(Birla Copper, Dhahej)

Welding Engineer - Production

Key Deliverables:

> Maintenance of standards related to quality and safety.

> C-ordination during preventive/breakdown maintenance along with specific

testing, Welding of breakdown component, modifications and final box-up

of the same.

> Prepared WPS for SMAW, SAW as per the ASME Sec IX for the test coupons in

accordance with the exact requirements of clients.

Notable Highlights:

> Active coordination with the QA/QC department for the approval of the

SMAW,GTAW WPS and PQR etc.

INDUSTRIAL PROJECT

> Title: Effect of heat treatment and welding parameters on mechanical

properties and microstructure of Quenched and Tempered steel and weld

metal.

> Organization : Metallurgy and Materials Engineering Department of

Faculty of Technology Engineering &,

The M. S. University of Baroda.

> I have got Best technical research paper award "H.D. Govindraj Memorial

award" from IIW for same project.

ACADEMIC CREDENTIALS

> Bachelor of Engineering (Metallurgy) with Distinction (67.5%), 2002-2006

batch from Faculty of Technology & Engineering, M.S. University of

Baroda.

> ME/M.Tech, Specialty in Welding Technology with Distinction (70.95%),

2007-2009 batch from Faculty of Technology & Engineering, M.S. University

of Baroda. M.Tech course was sponsored by Larsen & Toubro Ltd.

PROFESSIONAL QUALIFICATION

> ASNT LEVEL-II IN Radiography Examination(RT),Ultrasonic Examination(UT)

and Magnetic Particle Examination(MT)

PERSONAL DOSSIER

Date of Birth : 07th Dec, 1983

Address : C/20 Tulshi Shyam behind Padampark Makarpura, Vadodara-

390010, Gujarat.

Languages Known : English, Hindi and Gujarati

Passport Details : J-5147940 (valid till 27/02/2021)

References : Will be provided on request.

Welding Engineering

Heat Treatment

Failure Analysis

Production

Documentation

Testing

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