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MPa to PSI Converter: Formula and Chart
MPa to psi is a pressure unit conversion that expresses the same pressure in different units. To convert MPa to psi, multiply the MPa value by approximately 145.03773773. One megapascal is about 145.0377 pounds per square inch. Use the conversion…
MM to Inches Calculator for Steel Dimensions
To convert mm to inches, divide the millimetre value by exactly 25.4. For example, 10 mm ÷ 25.4 = 0.3937 in. Convert inches back to millimetres by multiplying by 25.4. Keep the original value and tolerance beside any rounded decimal…
Titanium Bar, Plate, Forging and Tube: How Buyers Choose the Right Product Form
Titanium bar, plate, forging and tube are four product-form families, not interchangeable starting points. The best form usually matches the finished geometry and load path while meeting the applicable specification with the least avoidable conversion work. Bar suits many turned…
Top 20 Carbon Steel Seamless Pipe Manufacturers in the World
Carbon steel seamless pipe manufacturers are not interchangeable. A buyer may need ASTM A106 seamless pipe for high-temperature service, ASTM A53 Type S pipe, API 5L seamless line pipe, or boiler and heat-exchanger tubes. The order has to match a…
Top Seamless Steel Pipe Manufacturers: B2B Buyer Guide (2026)
Seamless steel pipe manufacturers are producers that form pipe without a longitudinal welded seam. They differ in material families, size windows, mill routes, inspection access, order quantities and destination-market readiness. This 2026 guide compares 20 sourcing candidates presented by their…
OCTG (Oil Country Tubular Goods) Procurement Guide
OCTG (Oil Country Tubular Goods) is the family of tubular products used to drill, construct and produce an oil and gas well. This procurement guide maps that family to the decisions a buyer must control. Purchasing for that well demands…
How to Specify Welded Steel Pipe: A 9-Check Procurement Guide
Welded steel pipe is made by forming steel coil or plate into a cylinder and joining the edges with a mill seam. That description is only the starting point. Defensible orders also identify the application, governing design documents, product standard…
How to Specify ERW Pipe: Process, Standards and Acceptance Evidence
Updated August 2026 Quick Specs Process: electric resistance welding of formed steel strip, commonly with high-frequency current in modern line-pipe production Relevant product standards: API Specification 5L, ASTM A53/A53M and ISO 3183, depending on service and contract Buyer must state:…
Top 20 Steel Pipe Manufacturers in the World
Note: The following manufacturers are listed in no particular order. SYNBASE Steel is placed first as the featured manufacturer. Steel pipe manufacturers are companies that form billet, plate or coil into pipe and perform the thermal processing, inspection, testing, finishing…
The Complete Pipe Schedule Chart: NPS, Wall Thickness & Weight Explained
Quick Specs Governing standard ASME B36.10M (carbon/alloy) & B36.19M (stainless) Size range NPS 1/8″ to 48″ (OD 0.405″ – 48.000″) Schedule range 5S, 5, 10S, 10, 20, 30, 40S/STD, 40, 60, 80S/XS, 80, 100, 120, 140, 160, XXS Line-pipe overlay…
