Pressure-Rated & Certified Steel

Boiler & Pressure Vessel Plates

PRODUCT OVERVIEW

Certified Safety for Extreme Pressure and Thermal Environments

At Namo Alloy, we are prominent stockists of high-integrity Boiler & Pressure Vessel Quality (BQ/PVQ) Plates. Engineered to perform under massive internal pressure and varying temperatures, these plates are essential for the manufacturing of industrial boilers, storage tanks, heat exchangers, and reactors. Our inventory features world-class grades including ASTM A516 (Gr. 60, 65, 70) for moderate to low temperature service and ASTM A387 for elevated temperature applications. Every plate is produced to prevent hydrogen-induced cracking and internal laminations, ensuring absolute safety in critical energy and chemical plant operations. All our PVQ plates are 100% mill-certified and undergo rigorous Ultrasonic (UT) and normalized heat treatments to meet stringent ASME and international safety codes.

100% Mill-Certified (ASME / ASTM) HIC & SSCC Resistant Grades Ultrasonic Tested (UT) & Normalized High Pressure Sustainability

METALLURGICAL DATA

Material Specifications

Grade	C (Max)	Mn	P (Max)	S (Max)	Si	Cr (Chromium)	Mo (Molybdenum)
ASTM A516 Gr. 70	0.27%	0.85 - 1.20%	0.025%	0.025%	0.15 - 0.40%	-	-
ASTM A387 Gr. 11	0.05 - 0.17%	0.40 - 0.65%	0.025%	0.025%	0.50 - 0.80%	1.00 - 1.50%	0.45 - 0.65%
ASTM A516 Gr. 60	0.21%	0.60 - 0.90%	0.025%	0.025%	0.15 - 0.40%	-	-

Grade	Tensile Strength (MPa)	Yield Strength (MPa) min.	Elongation (%) min.	Heat Treatment	Impact Test (Charpy V)
ASTM A516 Gr. 70	485 - 620 MPa	260 MPa	21%	Normalized	As per Project Req.
ASTM A387 Gr. 11	515 - 690 MPa	310 MPa	18%	Normalized & Tempered	High-Temp Stable
ASTM A516 Gr. 60	415 - 550 MPa	220 MPa	25%	Normalized	Excellent Notch Toughness

TECHNICAL DATA