Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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The company has always adhered to the principle of "genuine goods at low prices", put an end to the sale of fake and shoddy S355M VS S355ML products, do not deceive customers, treat customers in good faith, truly consider for customers and give advice. To provide reference opinions, and to treat customers with integrity. Consequently, we have won a lot of S355M VS S355ML stable cooperated customers over the years in the international market. Our steel materials are widely used in power stations, bridges, ship manufacturing, offshore platforms, heavy machinery, oil and gas pipelines, tanks and so on fields.

40CrNiMoA alloy steel materialGrade 40CrNiMoA Standard: GB/T 3077-2015Advantages: hardenability and stability against overheatingApplication: shafts, gears, fasteners, etc.Raw materials: carbon, silicon, manganese, etc.

20G steel is boiler steel, which is similar to No. 20 carbon steel. The difference is that 20G steel has higher and stricter inspection standards than S355M VS S355ML, No. 20 carbon steel for harmful impurities and internal defects. That is to say, 20G steel is specially produced for boiler pressure vessels. It is special purpose "No. 20 carbon steel". The use of 20G steel to make boilers is not because it is more resistant to burning than other steels such as S355M VS S355ML, but because of its strength, toughness, ductility, weldability, temperature influence, fatigue fracture, price and cost, etc. 20G steel is most suitable for use in medium and low pressure boilers.

Heat treatment is a very important process to improve the performance of S355M VS S355ML etc. metal materials. The process of heating, heat preservation and cooling the steel in solid state to obtain the required structure and properties.

asme sa514 grade H alloy steel coil element composition%C: 0.12-0.21, Si: 0.20-0.35, Mn: 0.95-1.30, P max.: 0.035, S max.: 0.035, Cr: 0.40-0.65, Ni: 0.30-0.70, Mo: 0.20-0.30, V: 0.03-0.08, B: 0.001-0.005The mechanical properties in thickness (mm)T≤65Yield strength (≥Mpa): 690Tensile strength (Mpa):760-895Elongation in ≥,%: 18

We are experienced shipbuilding and marine grade steel materials supplier and exporter with more than 20 years experience. For any question about the S355M VS S355ML shipbuilding steel materials, such as shipbuilding steel price, ABS EH36 steel specification, Lloyds grade A steel properties, AH36 steel mechanical properties, AH32 steel price, DH32 steel dimensions, difference between EH36 and DH 36 etc., please feel free to consult us.

The company conducts periodic and targeted training and guidance for after-sales service personnel. As the saying goes, "no one is perfect, no gold is red", to help after-sales service personnel improve service skills and correct service attitude. Carry out relevant technical training for after-sales service personnel, so that after-sales service practitioners have professional product knowledge.

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