Boiler Quality (BQ) Plates Inventory | ASTM A516 Gr 70 | Pannani Tubes

Boiler Quality (BQ) Plates

High-Pressure Vessel Steel Plates. 100% Ultrasonically Tested & IBR Certified.

Product Range

ASTM A516 Gr 70 Plate
Top Seller

ASTM A516 Grade 70

The most popular carbon steel plate for moderate to lower temperature service. Excellent weldability and notch toughness for pressure vessels.

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ASTM A516 Gr 60 Plate
High Ductility

ASTM A516 Gr 60 & 65

Lower tensile strength compared to Gr 70, offering superior ductility and formability. Ideal for dished ends and severe forming operations.

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IS 2002 Plate
Indian Standard

IS 2002 Grade 1 & 2

Indian Standard specification for steel plates for pressure vessels, boilers, and stationary heat exchangers. Commonly used in domestic projects.

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Alloy BQ Plates
High Temp / Alloy

Alloy Steel BQ (SA 387)

Chrome-Moly Alloy plates (Grades 11, 22, 5, 9, 12). Designed for elevated temperature service in power plants, oil patch, and refineries.

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HIC Tested Plates
Sour Service

HIC Tested / NACE MR0175

Hydrogen Induced Cracking (HIC) resistant steel. Essential for pressure vessels operating in "sour service" (H2S environments) in Petrochemical plants.

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Profile Cutting
Value Addition

Custom Profile Cutting

CNC Plasma and Gas cutting for BQ Plates. We provide cut-to-size shapes, rings, and tube sheets accompanied by original IBR test certificates.

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Mechanical Properties

Critical data for Pressure Vessel and Boiler fabrication.

Standard / Grade Min. Yield Strength (MPa) Tensile Strength (MPa) Characteristics & Typical Use
ASTM A516 Gr. 60 220 415 - 550 High ductility, excellent notch toughness. Low to moderate temp.
ASTM A516 Gr. 70 260 485 - 620 Higher strength. Most widely used for boilers & pressure vessels.
IS 2002 Grade 2 240 410 - 530 Indian standard equivalent for domestic pressure vessel fabrication.
SA 387 Grade 11 Class 2 310 515 - 690 Chrome-Moly Alloy (1.25% Cr, 0.5% Mo). High-temp service.
SA 387 Grade 22 Class 2 310 515 - 690 Chrome-Moly Alloy (2.25% Cr, 1.0% Mo). Extreme temp/pressure.

Testing & Compliance

IBR Certification

All BQ plates can be supplied with Form IV certification approved by the Indian Boiler Regulations (IBR).

Ultrasonic Testing (UT)

Plates are 100% UT tested to ensure absence of internal laminations, voids, or inclusions (ASTM A435 / A578).

Impact / Charpy Test

Low-temperature impact testing (Charpy V-Notch) available to guarantee notch toughness in sub-zero environments.

Size Capabilities:

Thickness: 5mm to 150mm  |  Width: 1500mm to 3000mm  |  Length: Up to 12000mm

SAIL JINDAL AM/NS

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