Every customer who has visit us and witness the steel materials before delievry will be impressed by our quality control departemnt. Even not come to inspect the steel materials before delievry, our quality control departemnt will also send inspection report to the customer. For each order, no matter its quantity and value, our quality control departemnt will make strict inspection before delivery, the inspection contents include apperance, tolerance, dimension, mark, special requirements of customers, etc. To guarantee our steel materials sent to the customer is qualified.
Due to the excellent corrosion resistant properties, SA387 GRADE 91 Class 1 sheet is also an option for use in sour service environments. The material has good weldability and with its heat resistant qualities, the material is a highly versatile steel which can be used in numerous applications. Mechanical properties of SA387 GRADE 91 Class 1 Tensile strength, ksi [MPA]:85 to 110 [585 to 760]Yield strength, min, ksi [MPa]/(0.2% offset):60 [415]Elongation in 2 in. [50mm], min, %:18
Cold-forming automobile structural steel S650MC chemical composition (melting analysis)%C: ≤0.12, Si: ≤0.60, Mn: ≤2.00, P: ≤0.025, S: ≤0.015, Al: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.25, Mo: ≤0.50, B: ≤0.005The mechanical properties Yield strength: ≥650 MPaTensile strength: 700-880 MPaElongation: ≥10%
Just as S355ML material equivalent, the boiler steel plate also has strict control of chemical composition for the material, especially harmful elements such as phosphorus and sulfur, and residual elements such as chromium, nickel, and copper; during smelting, good deoxidation and removal of non-metallic inclusions should be carried out to ensure good quality, plasticity and toughness. The organizational structure requires uniformity, and the grain size is controlled within a certain range; there are also strict requirements for surface quality and internal defects. In addition, the boiler steel plate mechanical properties at room temperature and high temperature must be guaranteed.
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.
The company's products S355ML material equivalent have excellent quality, reasonable prices and strong usability, and are well received by users. Survive by quality, expand the market with integrity, continuously research and develop new products, expand varieties, to meet market demand, and make the company continue to grow. The needs and interests of users are our high philosophy of service and commitment, and customer satisfaction is our eternal pursuit.