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The difference and treatment of steel plate delamination and cold brittle cracking after welding (fire cutting)
Steel plate delamination and cold brittle cracking after steel plate fire cutting and welding generally have the same manifestation, both of which are cracks in the middle of the plate. From the perspective of use, the delaminated steel plate must be removed. The whole delamination should be remo...Read more -
Latest Steel Pipe Stock List
Fire Fighting network ASTM A106 – schedule 40 – PE(Plain Ends) – seamless steel pipe – red paint for all pipe item Item Specification Outer Diameter (inch) Outer Diameter (mm) Wall Thickness (mm) Length (m) Weight(kg/m) End Type Total Quantities (...Read more -
STEEL PIPE PRICE LIST
Product price list (price unit: RMB) American standard: API 5L, ASTM A106/A53 German standard: DIN 1629 Material: 20#, Gr.B, ST44 N.D. O.D. (MM) SCH40 SCH80 W.T. Weight Price W.T. Weight Price (MM) (KG/M) (Yuan/ton) (MM) (KG/M) (Yuan/ton) 1/4″ 13.7 2.24 0.63 8100 3....Read more -
Analysis and control methods of common appearance defects of steel sections
1. Insufficient filling of steel angles Defect characteristics of insufficient filling of steel angles: Insufficient filling of finished product holes causes a lack of metal at the edges and corners of steel, which is called insufficient filling of steel angles. Its surface is rough, mostly along...Read more -
Quality defects and prevention of steel pipe sizing (reduction)
The purpose of steel pipe sizing (reduction) is to size (reduction) the rough pipe with a larger diameter to the finished steel pipe with a smaller diameter and to ensure that the outer diameter and wall thickness of the steel pipe and their deviations meet the relevant technical requirements. Th...Read more -
How to choose a 16mn thick-walled Q355 seamless steel pipe
16mn thick-walled seamless steel pipe is a commonly used steel pipe material, widely used in various industries. Choosing a suitable 16mn thick-walled seamless steel pipe is crucial to the smooth progress of the project. This article will combine the encyclopedia of relevant keywords and industry...Read more