Greenline Pipe and Fitting is a prominent manufacturer, supplier and exporter of BQ plates. BQ plates stand for Boiler Quality Plates. The boiler quality and pressure vessel plates are mainly used in welded pressure vessels where extreme toughness is required. The BQ plates have excellent properties such as high strength, Good low-temperature toughness, High corrosion resistance, High creep resistance, durable, and high resistance to HIC, SSCC and embrittlement.
The maximum thickness of the plates is primarily restricted only by the composition's ability to meet the requirements for the specified mechanical properties. The steel is killed and conforms to specifications for fine austenitic grain size. In general, hot / cold steel plates are moulded to the ideal form for large boilers to withstand elevated temperatures, pressure and adverse corrosive conditions. As high pressure and temperature fluids are borne by boilers and pressure vessels and often carry low-temperature fluids, the steel plates should have properties such as high strength, hardness, and ductility and corrosion resistance. These steel plates have outstanding creep resistant properties due to high temperature applications.
In addition, Greenline Pipe and Fitting can also supply hydrogen induced steel plates that are crack resistant and serve as critical material for pressure vessels. For the longevity and reliability of our products, our customers repeatedly favour us. The tensile strength of boiler plates ranges from 450 to 620 MPa. The plates are available in four grades, according to various strength levels: Grade 55, Grade 60, Grade 65, and Grade 70. Greenline Pipe and Fitting is one of the leading names in the industry that provides a qualitative selection of Boiler Steel Plates. These are produced and supplied according to the particular demands of the industry. In compliance with the demands of our valued clients, we deliver these in various specifications. These are commonly used for the manufacture of carbon steel plates of superior quality with consistent and regulated properties.
The BQ plates are used in many applications such as Power Plants, Process Industries, Refineries, Coal gasifiers, Shipbuilding industries, Petrochemical manufacturing sector, Pressure vessels, boilers, gas turbines, Spheres, compressors and heat exchangers, Skid mounted equipments for oil and gas industries, and Storage tanks manufacturing. We are known for our best services and our experts work hard to meet the requirements of our customers.
Thickness : 3mm-600mm
Width : 1500mm-3000mm
Length : 3000mm-11000mm.
Heat Treatment : Rolled/Normalised/N+T/QT
Production : Hot-Rolled (HR) / Cold-Rolled (CR)
Grade Available : ASTM (USA) : A515: Gr60, Gr70,A 516: Gr60, Gr65, Gr70, A 517, A 387, A 533, A 537, A 542, A 543, A 302
IS (INDIA) : IS 2002, IS 2041: R/H220, R/H 260, R/H 275, R/H 355
DIN (GERMANY) : 17102: StE 285, St E355, 17155: HI, HII, 19 Mn 6
BS (ENGLAND) : BS 1501-161: Gr360, Gr400, BS 1501-224: Gr400, Gr 490
EN (EUROPE) : EN 10028 : P235L, P265L P355L, P460L, EN 10028 : 13CrMo4-5, 16Mo3
JIS (JAPAN) : G 3103: SB410, SB450, SB480, G3115: SPV 24, SPV 32, SPV 36 G3125
|C||Mn||P max||S max||Si max|
|t < 12.5
|12.5mm < t =50mm||50mm < t ≤ 100mm||100mm < t ≤ 200mm||t < 200
|t < 12.5
|A516 Grade 55||0.18||0.2||0.22||0.24||0.26||06-09||0.55-0.98||0.035||0.035||0.15-0.4|
|A516 Grade 60||0.21||0.23||0.25||0.27||0.27||06-09||0.85-1.2||0.035||0.035||0.15-0.4|
|A516 Grade 65||0.24||0.26||0.28||0.29||0.29||0.85-1.2||0.85-1.2||0.035||0.035||0.15-0.4|
|A516 Grade 70||0.27||0.28||0.3||0.31||0.31||0.85-1.2||0.85-1.2||0.035||0.035||0.15-0.4|
|Tensile Strength (ksi)||Tensile Strength (MPa)||Yield Strength (ksi)||Yield Strength (MPa)||Elongation in 200mm(%)||Elongation in 50mm(%)|
|A516 Grade 55||55-75||380-515||30||205||23||27|
|A516 Grade 60||60-80||415-550||32||220||21||25|
|A516 Grade 65||65-85||450-585||35||240||19||23|
|A516 Grade 70||70-90||485-620||38||260||17||21|
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