What is the difference between Q235D carbon steel plate sheet and 4140 metals

The company adheres to the principle of integrity, standardization and efficiency, wins the market with technology, gains reputation with creative services, and wholeheartedly provides customers with high-quality Q235D carbon steel plate sheet, efficient and fast services. Facing the future, adhere to independent innovation.

Q235D carbon steel plate sheet Steel Standard: API 5CT Dimension range for casing and tubing: Outside diameter (26.67 to 114.30 mm); wall thickness(2.87 to 9.65 mm). Delivery state: Surface anti-corrosive treatment: bared, oiled, color paint, 3LPE; Tube and casing pipes ends: no swaging, threads and flanges. Q235D carbon steel plate sheet Tubes testing: All tubing and casing pipes has passed ISO9001:2000 assessment and the API 5CT certification.

The company's logistics and transportation department is responsible for developing high-quality third-party logistics companies, to coordinate and follow up the situation of steel materials transportation. Third-party logistics companies provide us with professional logistics services. With this logistics management method, the time for delivery of steel materials is faster, and the logistics service is professional, multifunctional and comprehensive.

We cooperated with the Peruvian government for many years. And supply them large diameter steel pipes and pipe fittings to support their Hydropower Station Projects. We do 100% UT, RT, Hydraulic test and so on tests for the Q235D carbon steel plate sheet steel pipes. And do PT, MT and so on tests for the pipe fittings. We published "Welding Procedure Qualification report" after production. And our mill will keep the test record in the documentary department for 5 years. If meet any problems in following application, we can check the test record easily and assist to solve problems at the first time.

The company has a high-quality management, technology and R&D team, and adopts independent research and development, domestic innovative process optimization combination. Relying on advanced manufacturing technology and sophisticated production testing equipment, it has ensured the high quality of products Q235D carbon steel plate sheet and won a good reputation. We can offer various kinds of steel materials in GB, ASME, ASTM, JIS, DIN, EN, API standards and specifications.

Adhere to the spirit of quality first and user foremost, carry out maintenance and other work according to the requirements of the buyer's contract, and ensure that the engineering project and product after-sales play their application effectiveness. Our company guarantees to carry out self inspection and self supervision according to the quality management policy proposed by our company, and deliver a high-grade, perfect and excellent system engineering to users.