Full-threaded studs for pipe flanges (DIN 975) and high-strength studs for the chemical industry (35CrMoA).
Carbon Steel: Typically used for general applications.
Stainless Steel: For environments where corrosion resistance is required.
Alloy Steels: Used in applications requiring high strength or high temperature resistance.
Advantage:
Material properties: 35CrMoA is an alloy structural steel with good overall mechanical properties and low temperature impact toughness. Its working temperature can be as high as 500 ° C, low temperature up to -100 ° C. This material has a high static strength and high fatigue strength, good hardenability, not easy to overheat, quenching deformation is small, medium machinability . Chemical composition: 35CrMoA chemical composition includes carbon (C: 0.32 ~ 0.40%), silicon (Si: 0.17 ~ 0.37%), manganese (Mn: 0.40 ~ 0.70%), phosphorus (P ≤ 0.030%), sulfur (S ≤ 0.030%), chromium (Cr: 0.80 ~ 1.10%), molybdenum (Mo: 0.15 ~ 0.25%). Mechanical properties: 35CrMoA yield strength ≥ 835 MPa, tensile strength ≥ 980 MPa, elongation ≥ 12%, sectional shrinkage ≥ 45%, impact absorption energy ≥ 63 J . Heat treatment: 35CrMoA is usually quenched and tempered to improve its mechanical properties.
Scope of Application
Chemical industry: In the construction of chemical plants, 35CrMoA all-thread studs are used for connecting and fixing pipes, pressure vessels and heat exchangers due to their good mechanical properties and corrosion resistance. Pipe flanges: DIN 975 full thread studs are commonly used for pipe flange connections to provide a stable and reliable fastening force. High-strength connections: Due to their high-strength properties, Grade 8.8 and 10.9 studs are suitable for applications that require high loads and vibrations, such as heavy machinery, bridges and steel structures.
Quality Certification
Hebei Bentley is ISO9001:2015 certified and equipped with relevant certificates for quality assurance. Due to its specific dimensions and performance levels, it is suitable for a wide range of industrial and commercial scenarios including, but not limited to: machine building, construction work, transport, energy industry, timber frame connections.
Quality inspection
Bentley has invested a huge amount of money to builda product testing laboratory, equipped with importedhigh-end instruments:such as thread comprehensivescanners, high temperature tensile testing machines,high frequency fatigue testing machines, etc., to ensurethat all products are strictly tested before leaving thewarehouse to ensure the reliability of customers duringuse.