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Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the SPA-H and SPA-C sheet project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of SPA-H and SPA-C sheet customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.
Ordinary carbon structural steel SPA-H and SPA-C sheet has many impurities and low price. The ordinary carbon structural steel is used in places with low performance requirements and low strength, but it has good plasticity, toughness and cold deformation performance. High quality carbon structural steel has less harmful impurities, and its strength, plasticity and toughness are better than those of ordinary carbon structural steel. High quality carbon structural steel is mainly used to manufacture important mechanical parts.
Ultrasonic flaw detection emits ultrasonic waves to the SPA-H and SPA-C sheet steel plate under inspection. If there are defects in the steel plate, the ultrasonic waves will reflect, refract or deform waveforms due to the defects. By recording these changes, the type and shape of the defects are analyzed. Due to its high energy and good penetration performance, and the smoothness of the SPA-H and SPA-C sheet steel plate itself, ultrasound is often used to detect defects such as inclusions, shrinkage holes, bubbles, and cracks in the steel plate.
In November of 2015, Thailand one company contacted with us from Internet. They are find the trustable supplier of S355J2H seamless pipe SPA-H and SPA-C sheet for there cable car supporter. Due to the special using of the pipes, they are very careful and servious when choosing the supplier. After one months contact and discussion by email, they come to our company. We drive to the pipe mill for visit of 2 days. Through this visit, they are very confident with our production ability and proucts quality. Finally, they accept the grade we suggest Q345D. After back to office, they put the order of 1400 tons pipe to us directly.