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  • A302 GR.D Boiler and Pressure Vessel Steel plate(1736287728847).jpg
  • A302 GR.D Boiler and Pressure Vessel Steel plate(1736287728887).jpg
  • A302 GR.D Boiler and Pressure Vessel Steel plate(1736287728922).jpg
  • A302 GR.D Boiler and Pressure Vessel Steel plate(1736287728961).jpg

A302 GR.D Boiler and Pressure Vessel Steel plate

A302 Grade D steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel. A302 Grade D steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If A 302 Grade D above 50mm in thickness shall be normalized.
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Keywords:

Boiler Pressure Vessel Steel

A302 GR.D Boiler and Pressure Vessel Steel plate Descriptions:

Boiler steel plate A302 Grade D is a kind of alloy steel with Manganese,Molybdenum and nickel.A302 Grade D contains a higher Nickel element in rolling than Boiler steel plate A302 Grade C.Pressure vessel steel plate owned the same value range in mechanical property as A302 Grade B and A302 Grade C,yield strength above 345 Mpa,and tensile strength within 550-690 Mpa.Gnee steel would like to offer MTC under format EN 10204 3.1 or EN 10204 3.2 with third party inspections.
  
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
 

Chemical Composition and Mechanical Properties:

A302 Grade D Chemical Composition
Carbon, max % Manganese, max % Silicon, max % Sulfur max %
25mm or under 0.2 Heat Analysis 1.15-1.50 Heat Analysis 0.15-0.40 All thick 0.035
25-50mm 0.23 Product Analysis 1.07-1.62 Product Analysis 0.13-0.45
over 50mm 0.25        
    Molybdenum max % Nickel  max % Phosphorus %
    Heat Analysis 0.45-0.60 Heat Analysis 0.70-1.0 All thick 0.035
    Product Analysis 0.41-0.64 Product Analysis 0.67-1.03

 

Mechanical Property of A302 Grade D steel plate A302 Grade D
Tensile strength, kis [MPa] 80-100 [550-690]
Yield strength, min, kis [MPa] 50 [345]
Elongation in 8 in. [200 mm], min, % 17
Elongation in 2 in. [50 mm], min, % 20


 Technical Requirements & Additional Services:
♦  High tension test
♦  Low temperature impacting test
♦  Normalised for thick plates over 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Rolling under standard NACE MR-0175 (HIC+SSCC)
♦  Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦  Shot blasting and Painting,Cutting and welding as per end user’s demands

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

 

 

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products. 

 

 

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

 

 

Cooperation Case

 Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

 

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