Sep 30, 2026
How to Detect Surface Defects in Square and Rectangular Hollow Sections？
Where Do Surface Defects in SHS and RHS Come From? Most defects can be traced to one of three places: the incoming coil, the forming stage, or the weld. Knowing
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![What is the ASTM A672/A672M LSAW Steel Pipe?]()
Sep 30, 2026What is the ASTM A672/A672M LSAW Steel Pipe?ASTM A672 is a specification for electric-fusion-welded steel pipe manufactured from pressure-vessel-quality plate. The pipe is primarily intended forview more -
![How to Detect Surface Defects in Square and Rectangular Hollow Sections？]()
Sep 30, 2026How to Detect Surface Defects in Square and Rectangular Hollow Sections？Where Do Surface Defects in SHS and RHS Come From? Most defects can be traced to one of three places: the incoming coil, the forming stage, or the welview more -
![Quenching Square and Rectangular Steel Tube: 14 Process Points and a Buyer's ...]()
Sep 28, 2026Quenching Square and Rectangular Steel Tube: 14 Process Points and a Buyer's ...Quench hardening lifts the strength, wear resistance and fatigue life of a steel tube, but a square or rectangular tube is a harder part to quench thaview more -
![What is the ASTM A671/A671M LSAW Steel Pipe?]()
Sep 28, 2026What is the ASTM A671/A671M LSAW Steel Pipe?What is ASTM A671/A671M LSAW Steel Pipe ASTM A671 is a steel pipe specification made from several analyses and strength levels of pressure vessel qualview more -
![Welded Steel Pipe for Pipeline Transport: Advantages, Process Types and a Pra...]()
Sep 24, 2026Welded Steel Pipe for Pipeline Transport: Advantages, Process Types and a Pra...Pipelines are the backbone of oil, gas and bulk-liquid transport, and welded steel pipe is the product that makes most of them possible. This guide exview more -
![What Determines Weld Quality in High Frequency Welded (HFW) Pipe Production?]()
Sep 23, 2026What Determines Weld Quality in High Frequency Welded (HFW) Pipe Production?High frequency welding (HFW) is the process behind most ERW structural and line pipe on the market today, but the quality difference between a strong,view more -
![Why Seamless Steel Pipe Wall Thickness Becomes Uneven: Root Causes Across the...]()
Sep 22, 2026Why Seamless Steel Pipe Wall Thickness Becomes Uneven: Root Causes Across the...Wall thickness uniformity is one of the properties buyers assume is guaranteed once a mill certificate confirms average wall meets the ordered dimensiview more -
![Why Do Large-Diameter Spiral Steel Pipes Bend, and How Do You Buy Pipe That S...]()
Sep 21, 2026Why Do Large-Diameter Spiral Steel Pipes Bend, and How Do You Buy Pipe That S...Once a large-diameter spiral steel pipe reaches a certain length, some bending is almost unavoidable, and every pipe mill and pipeline contractor hasview more -
![Why Are Steel Workshops Replacing Channel Columns With Spiral Welded Steel Pipe?]()
Sep 20, 2026Why Are Steel Workshops Replacing Channel Columns With Spiral Welded Steel Pipe?For decades, the standard column in a light or medium steel workshop was built from channel steel: one channel, a pair of channels laced together, orview more -
![Five Methods for Detecting Surface Defects in Square and Rectangular Steel Tubes]()
Sep 17, 2026Five Methods for Detecting Surface Defects in Square and Rectangular Steel TubesWhy Does Surface Defect Detection Matter for Square and Rectangular Tube? Square hollow section ( SHS ) and rectangular hollow section ( RHS ) go throview more -
![What Should You Control When Quenching Slender Square and Rectangular Steel T...]()
Sep 16, 2026What Should You Control When Quenching Slender Square and Rectangular Steel T...Quenching a square or rectangular tube looks like a single operation from the outside - heat it, drop it in liquid, pull it out hard. In production, iview more -
![Why Does Cold Treatment of Seamless Steel Pipe Have to Follow a Strict Sequence?]()
Sep 14, 2026Why Does Cold Treatment of Seamless Steel Pipe Have to Follow a Strict Sequence?Cold treatment (sometimes called sub-zero or cryogenic treatment) is a follow-on step applied after quenching certain seamless steel pipe and tube graview more
