- October 17, 2025In the field of carbon steel pipe manufacturing, ASTM A53 Grade B is one of the most commonly used standards. It…
- October 16, 2025In global steel pipe procurement, ASTM A53 Grade B (commonly referred to as ASTM A53 Gr B) is one of…
- October 16, 2025For large-scale or critical projects involving ASTM A53 steel pipes, it is highly recommended to include Third-Party Inspection (TPI) and “Witnessing”…
- October 15, 2025In the production and final inspection of ASTM A53 steel pipes, Visual Inspection (VI) plays a vital role. It is not…
- October 15, 2025For buyers of ASTM A53 steel pipes, the Mill Test Certificate (MTC), also known as the Mill Test Report (MTR),…
- October 14, 2025To ensure that the ASTM A53 steel pipes delivered to customers meet standards and engineering reliability, LONGMA has established a…
- October 14, 2025During a factory audit, six core areas must be prioritized for verification: (1) Product specifications and standard scope (ASTM A53…
- October 11, 2025To verify the steel grade and chemical composition of ASTM A53 steel pipes, one must rely on Table 1 (Chemical Composition…
- October 11, 2025For welded steel pipes under the ASTM A53 standard, Ultrasonic Testing (UT) is not just an "optional item"; in many…

