Welding Equipment
Our range of welding capabilities includes manual and semi-automatic processes.
Manual and Semi-Automatic Welding Process
GTAW, GTAW-Hot wire, GMAW, GMAW-Pulse, FCAW
Mechanized welding Processes
SAW, GMAW, FCAW, GTAW
Materials
We maintain qualified welding procedures in a broad range of materials of construction. With our rich history of projects, experienced craftsmen and with the support of our Welding Engineering team we understand the challenges of each material and will supply you the highest quality welding possible to make certain your materials perform in service. Those materials include:
Carbon steel
IS 2062 : Grade E250, E350, A36
SA 516 : Gr 60, 70
EN 24, EN 9, EN 8, EN 19
St 52-3, S355J2W+N, S355J2G3
Stainless Steel
SS 316, 316L, 304, 304L, SS 410, 409, 409M, ASTM-351 Gr.CF-3
Low Alloy steel
SA 517 Gr F, SA 592 Gr F, A693, Hastelloy-C276, Incolloy-825, 800
Duplex and Super Duplex Stainless Steel
Quality Assurance
- We follow ASME Sect. IX for Welding.
- WPS, PQR & WPQ as per section IX available for verification.
- Quality Assurance Plan (QAP) is used throughout the execution process.
- Technical Purchase Specification (TPS) is used throughout the process for procurement of raw material and bought-out as per prescribed standards.
- Identification and traceability are maintained on all levels of manufacturing.
- Crystal Engineers has well qualified NDT personnel as a ASNT Level III in UT, RT, MPI and LPT.
- All measuring & monitoring devices are calibrated
Inspection & Testing Capabilities
- Radiographic examination
- Liquid Penetrant Examination
- Ultrasonic Test
- Positive Material Identification
- Ultrasound Examination
- Magnetic Particle Examination
- Hydro test
- Pneumatic test
Inspection Agencies
- Lloyd’s Register of Industrial Services
- TUV Austria
- Intertek
- SGS Inspection Services
Metallurgical Testing
- Ultimate Tensile Testing
- Bend Test
- Impact Test
- Macroscopic & Microscopic Examination