Quality & Testing
Verified at every weld, proven at every test
Quality assurance is engineered into every stage — from material identification to final hydrotest — backed by ASME accreditation and in-house laboratories.
Accreditation
ASME 'U' & 'U2' Stamp Holder
G. R. Engineering holds ASME 'U' and 'U2' authorizations for the manufacture of pressure vessels — the foundation of our quality system for code-stamped equipment.
- ASME 'U' Stamp
- Certificate No. 38172
- ASME 'U2' Stamp
- Certificate No. 41698
- Validity (as documented)
- Through 07 Dec 2026
- Management Systems
- Aligned to ISO 9001 / 14001 / 45001
ASME 'U'
Pressure vessel manufacture
ASME 'U2'
Alternative rules, Div. 2
NABL Lab
In-house mechanical testing
QA/QC Function
Dedicated at Tarapur works
Non-Destructive Testing
In-house NDT — fourteen methods under one roof
A separate radiography enclosure, isotope sources, advanced ultrasonics and leak detection keep examination inside the production schedule, not outside it.
Radiography — separate enclosure
X-Ray
Gamma Ray (Cobalt 60, Ir-192)
Ultrasonic Flaw Detection (UT)
TOFD — Time-of-Flight Diffraction
PAUT — Phased Array UT
Magnetic Particle Testing (MT)
Liquid / Dye Penetrant Testing (PT)
Positive Material Identification (PMI)
Ferrite Checking
DFT Coating Thickness Measurement
Pneumatic Testing
Helium Leak Detection
Hydrostatic Testing up to 500 kg/cm² g
Mechanical Testing
In-house NABL-accredited laboratory
Procedure and production test plates are broken, bent, pulled and frozen in-house — with impact testing down to −195 °C for cryogenic and low-temperature service.
- Tensile Testing
- In-house NABL-accredited laboratory
- Impact Testing
- Down to −195 °C
- Bend Testing
- Weld & parent material qualification
- Shear Bond Testing
- Clad bond integrity
- Hardness Testing
- Including HAZ and weld zones
Pressure & Integrity
Hydrotest. Helium. Pneumatic. Recorded.
500 kg/cm² g
Hydrostatic testing capability with time-vs-pressure recording
Helium Leak Detection
High-sensitivity leak verification for critical service
PWHT / PFHT
6 m × 6 m × 12 m bogie hearth furnace with chart recording
Welding quality is controlled through qualified procedures, staged hold-point inspection, PMI and ferrite verification, and DFT coating thickness measurement — documented in the final quality dossier of every equipment.
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