Quick Answer
Prism (NABL CC-2480) provides calibration for Gujarat's steel industry: UTMs (tensile/hardness testing per IS 1608, IS 1500), hardness testers (Brinell, Rockwell, Vickers), temperature instruments (heat treatment furnaces), welding instruments, and dimensional gauges — for BIS, IS/ISO 9001, and CE marking compliance.
Key Takeaways
- BIS mandatory certifications (IS 2062, IS 1786, IS 513) require NABL-calibrated UTMs for testing.
- Heat treatment furnace calibration is critical for hardening, tempering, and annealing processes.
- Weld quality instruments (digital thermometers, feeler gauges, WPS compliance) need calibration.
- Structural steel fabricators need NABL calibration for dimensional tools for third-party inspection.
- Prism calibrates instruments at steel mills in Rajkot, Ahmedabad, Surat, and Vadodara.
Steel Industry Instruments Calibrated at Prism
UTM (Tensile/Compression)
Calibrated per IS 1608 and ISO 7500-1. Essential for IS 2062 (structural steel) and IS 1786 (rebar) certification.
Hardness Testers
Brinell (HBW) per IS 1500, Rockwell (HRC) per IS 1586 — mandatory for tool steel and structural steel QC.
Furnace Temperature
Heat treatment furnaces (oil quench, salt bath, tempering ovens) — calibration ensures consistent metallurgical results.
Welding Equipment
Welding current meters, interpass temperature thermometers, preheat temperature guns — WPS compliance.
BIS Mandatory Testing Requires NABL Calibration
Bureau of Indian Standards (BIS) product certification for structural steel (IS 2062), reinforcement bars (IS 1786), stainless steel (IS 6911), and plates (IS 2002) requires material testing (tensile, yield, elongation, Charpy impact) performed on NABL-calibrated UTMs and impact testing machines. Steel manufacturers without NABL-calibrated testing equipment cannot obtain or maintain BIS licences.
Frequently Asked Questions
Does Prism calibrate steel mill furnace temperature instruments?
Yes. Prism calibrates Type K and Type S thermocouples, and temperature controllers used in heat treatment furnaces (annealing, hardening, tempering, galvanising) at steel mills.
Can Prism calibrate on-site at our steel fabrication yard?
Yes. Prism provides on-site calibration for large-scale steel fabrication yards and mini steel mills, including UTM machines, furnace instruments, and dimensional tools.
Is NABL calibration required for ASME pressure vessel manufacturing?
Yes. ASME Boiler and Pressure Vessel Code (BPVC) Section VIII requires traceable calibration of all test equipment. NABL calibration by Prism provides the required traceability documentation.
Does Prism calibrate Charpy impact testing machines?
Yes. Prism calibrates Charpy and Izod impact testing machines using NABL-calibrated reference energy values and pendulum energy verification per IS 1757 and ASTM E23.
What is the largest UTM Prism can calibrate?
Prism calibrates UTMs up to 2000 kN (200 tonnes) capacity. Larger UTMs (above 2000 kN) are calibrated using portable reference transducers on-site.
Written by
Er. Parthiv Kinariwala
Managing Director · Prism Calibration Centre · NABL CC-2480 · Ahmedabad
Er. Parthiv Kinariwala founded Prism Calibration Centre in 2004 and has over 20 years of hands-on experience in calibration engineering, NABL accreditation, and industrial compliance. His team performs 10,000+ calibrations annually from the Vatva GIDC laboratory, serving 5000+ industries across Gujarat.
Prism Calibration Centre — Vatva GIDC, Ahmedabad
Prism Calibration Centre
F-101, Rudraksh Complex 2, Phase 3, GIDC Vatva, Near Jasoda Nagar Cross Road, Ahmedabad — 382445, Gujarat, India
Phone: +91 98245 26444
Email: info@prismcalibration.com
NABL: CC-2480 · ISO/IEC 17025:2017
Hours: Mon–Sat, 9:00 AM – 7:00 PM