Sep 12, 2026Procurement Guides
DN42 Seamless Steel Pipe: Size, Material and Applications
DN42 seamless steel pipe has a 42 mm outside diameter and no seam. Learn its common wall thickness schedules, materials and industries that use it.
KNOWLEDGE
News and Guides
Steel procurement guides and project supply notes.
Read
Sep 12, 2026Procurement Guides
DN600 Steel Pipe: Applications, Characteristics and Selection
DN600 steel pipe offers a 600 mm nominal diameter for water supply, oil and gas lines, bridges and large structures. Learn how to select it.
Sep 12, 2026Procurement Guides
Flange Leakage: Main Causes and Handling Measures
The root causes of flange leakage in high-temperature service and the practical measures used to prevent, repair and monitor it.
Sep 12, 2026Procurement Guides
How Stainless Steel Welded Pipe Is Produced
Stainless steel welded pipe is made from coil: slitting, roll forming, longitudinal welding, bead grinding, sizing, cutting and finishing.
Sep 12, 2026Procurement Guides
Internal Anti-Corrosion Treatment for Large Diameter Spiral Steel Pipe
When to apply internal cement mortar lining on large diameter spiral steel pipe, how to prepare the surface, and how to cure it correctly.
Sep 12, 2026Procurement Guides
Types of Nickel Alloy Pipe and Their Properties
Nickel alloys are chosen for corrosion resistance, strength and heat performance. Learn nickel-iron, nickel-copper, nickel-molybdenum and nichrome.
Sep 12, 2026Procurement Guides
Physical Properties of 304 Stainless Steel: What Designers Need
Type 304 is an 18/8 austenitic stainless steel with about 8 g/cm3 density and good corrosion, formability and weldability. Compare 304, 304L and 304H.
Sep 12, 2026Procurement Guides
Pickling and Passivation for Stainless Steel Welded Pipe: What They Do
What pickling and passivation remove and create on stainless steel welded pipe, and why they matter for corrosion, hygiene and welding.
Sep 12, 2026Procurement Guides
Slip-On vs Socket Welding Flange: Principles, Characteristics and Selection
How slip-on and socket welding flanges work, how they differ, and which one to specify for pressure, temperature and pipe size.
Sep 12, 2026Procurement Guides
Spiral Welded Pipe vs Straight Seam Welded Pipe: Technical Comparison
Compare welding process, stress behavior, metallurgical properties and crack resistance of spiral welded pipe and straight seam welded pipe.
Page 7 of 9