Introduction of Boiler Quality Steel Plates

Boiler Quality (BQ) steel plate is a specialized type of carbon steel designed for use in the fabrication of boilers and pressure vessels. These plates are manufactured to withstand high pressure and temperature conditions. The unique properties of BQ steel plates make them suitable for applications in a variety of industries, including power generation, petrochemical, and oil and gas.

Boiler Quality steel is used in areas where there is likely to be a high degree of Boiler Quality or Boiler Quality of the steel plate. and Carbon Steel Typical applications are in truck beds, attachments to diggers and earth movers and in processing applications in the mining industry The key quality for Boiler Quality steels is their hardness. We sell Boiler Quality plate according to its hardness measured on the Brinnell Hardness Test - usually in 400HB and 500HB grades.

If your specification is to the Rockwell Test we can also advise Steels with a high HB rating (Brinell hardness) are intended for applications where Boiler Quality or Boiler Quality resistance is important. The benefit of using an Boiler Quality steel is that that the plant, machinery or constructions working life can be extended considerably. This can significantly improve the reliability, durability and safety of structures and equipment. It also helps to reduce the maintenance costs associated with Boiler Quality and breakdown of plant.

Key Features and Properties of Boiler Quality Steel Plate

Durability: The plates are highly durable and provide a long service life even under harsh operating conditions.
Resistance to High Temperature: These plates can withstand high temperatures, which is critical for boiler and pressure vessel applications.
High Strength: BQ steel plates are engineered to offer high tensile strength, allowing them to endure the pressure inside boilers and pressure vessels without deforming.
Corrosion Resistance: BQ steel plates often have enhanced corrosion resistance, making them suitable for use in environments where they are exposed to chemicals and other corrosive substances.

400 HB steel is over 3 times harder than mild steel (120HB), but only a third as hard as stainless steel (1250HB). Example uses are for construction machinery, skips, bulldozers and excavators, buckets and conveyors The steel is quenched which provides Boiler Quality resistance; in order to improve hardness it may also be tempered. Lower HB's generally provide good cold bending properties and good weld ability. Weld ability is not generally reduced as the hardness increases Boiler Quality steels is not appropriate for use at temperatures over 2500C as the heat can cause changes to the material properties.

Testing is undertaken by firing 10mm steel or tungsten carbide ball at 29kN and the size of the resulting indentation is measured. Tests are carried out according to EN isO 6506 or ASTM E10. and ASTM A516 The figures below are representative of 15mm thick 400HB and 500HB plates.

Common Grades of Boiler Quality Steel Plate

EN 10028-2: European standard for steel plates used in pressure vessel applications.
ASTM A537: This grade is heat-treated and used for pressure vessels designed for high-pressure service.
ASTM A516: This is one of the most commonly used grades for BQ steel plates. It is suitable for moderate and lower temperature service.

Applications of Boiler Quality Steel Plate

Pressure Vessels: Used in the storage and transportation of gases and liquids under high pressure.
Heat Exchangers: These plates are also used in the production of heat exchangers, which are critical in energy transfer processes.
Oil & Gas Industry: Employed in the construction of offshore and onshore oil drilling platforms, storage tanks, and pipelines.
Boilers: BQ steel plates are essential in the manufacture of boilers, which are used in power plants, industrial facilities, and residential heating systems.

Manufacturing Process of Boiler Quality Steel Plate

Steel Making BQ steel and BQ Plates are typically made through basic oxygen or electric arc furnace processes and Casting and Rolling The steel is cast into slabs and then hot rolled to achieve the desired thickness and Heat Treatment: Post-rolling, the plates undergo heat treatment processes such as normalizing, quenching, and tempering to enhance their mechanical Properties and Quality Control Rigorous testing, including ultrasonic testing, impact testing, and tensile testing, is conducted to ensure the plates meet the required standards.

Standards and Certifications of Boiler Plate Quality

BQ steel plates must comply with various national and international standards to ensure they meet the stringent requirements of boiler and Pressure Vessel applications. Some of the key standards include:

ASTM (American Society for Testing and Materials)
ASME (American Society of Mechanical Engineers)
EN (European Standards)
ISO (International Organization for Standardization)

Conclusion

Boilers Quality steel plates are a critical component in the construction of equipment designed to operate under high pressure and temperature. Their high Strength, durability, and resistance to harsh conditions make them indispensable in various industrial applications. By adhering to stringent manufacturing processes and standards, BQ steel plates ensure safety, reliability, and efficiency in their applications.

Specification of Boiler Quality Steel Plates

Thickness	3 mm to 200 mm
Width	1250mm to 4000mm
Length	Up to 20,000 mm
Certification	DUAL CERTIFICATION [SA 516 GR. 60 / 70] TRIPLE CERTIFICATION. [SA 516 GR. 60 / 65 / 70] IBR AND NON IBR

Chemical composition of Boiler Quality Steel Plates

	C Max	Si Max	Mn Max	P Max	S Max	Cr Max
400 HB	0.15%	0.70%	1.60%	0.225%	0.01%	0.50%
500 HB	0.29%	0.70%	1.60%	0.025%	0.01%	1.00%

Mechanical properties of Boiler Quality Steel Plate

	Ni Max	Mo Max	B Max	CEV	CET
400 HB	0.25%	0.25%	0.004%	0.37%	0.27%
500 HB	0.50%	0.30%	0.004%	0.62%	0.41%

Values are typical and for general information purposes only

Yields for 400HB steel are in the region of 1100 MPa with Tensile Steel strengths of about 1250 MPa.

Boiler Quality plates from Prosaic Steel & Alloys are available in the following dimensions and certificated to EN 10204 3.1 B, dependent on the product required.
Brand name supplied by us is of TISCRAL / SAILHARD/ JISCRAL/ LAS07 / Wear Plate / DILLIDUR / DUROSTAT / ABRASO / XAR AND Other well known brands.

Boiler Quality Steel Plate Export Country

We export Boiler Quality Steel Plate to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States Of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East.etc.

Prosaic Steel and Alloys is a well known worldwide exporter of Boiler Quality Steel Plate is committed to provide each and every customer with the highest standard of customer service. We deals in ASME SA516 Grade 60 Boiler Quality Steel Plates in India & Overseas, offering a wide range of Boiler Quality Steel Plate