Congratulations: Qingdao RT Steel Structure Co., Ltd. has completed the SGS certification for welders and welding procedures.

Congratulations: Qingdao RT Steel Structure Co., Ltd. has completed the SGS certification process for welders and welding procedures, and the relevant certificate documents have been officially issued.

From this document, it can be seen that the company’s welder, Xiao Jianguo, has passed the tests under the EN ISO 9606-1 standard. His qualification covers plate and pipe butt welding (BW) using the 135/Semi-Automatic welding process, applicable to base material groups FM1-FM2, and operable welding positions including flat plate (PA) and fixed pipes with a diameter of over 500 mm.

The corresponding Welding Procedure Qualification Record (WPQR) specifies the detailed parameters of this process: AWS A5.18 ER70S-6 welding wire and 100% CO₂ shielding gas are used; the welding current type is DC electrode positive (DCEP); the base material thickness range is 3-24 mm; the heat input is controlled between 0.24-0.60 KJ/mm; and the qualification meets the Level 2 requirements of the EN ISO 15614-1 standard.

In addition, the company has obtained SGS certification documents for welders and welding procedures compliant with European, Australian, and American standards.