Material Grades
80+ grades in nine families with composition, properties, equivalents and typical applications.
- Search by grade, UNS, W.Nr. or application
- Stainless, nickel, tool, alloy, bronze & more
- Grade selection guide by job
Charts, Grades & Standards
Built from the published standards, with every figure calculated rather than copied – and clear notes where values are nominal.
Equivalent Grades
Cross-reference between UNS, AISI/SAE, W.Nr., EN/DIN, AFNOR, BS and JIS designations.
- Seven designation systems side by side
- Search any number – 1.4404, SUS316, 42CD4
- Guidance on substituting safely
Pipe Schedule Chart
Outside diameter and wall thickness for NPS ⅛" – 24" across 15 schedules, in mm or inches.
- ASME B36.10M & B36.19M
- Stainless and carbon steel views
- Pipe ID & weight calculator
Weight Chart
Weight calculator for seven shapes in 40+ materials, plus ready-reckoner tables.
- Round, hex, square, flat, pipe, plate, ring
- Steel, stainless, bronze, aluminium, plastics
- Density reference table
Standards & Specifications
Searchable directory of 90+ ASTM, ASME, EN, BS, IS and JIS specifications by product.
- How to read a specification
- Filter by pipes, plates, bars, flanges…
- Typical grades for each standard
Quality Policy
How we verify material: certificates, testing, traceability and our genuine-grade guarantee.
- EN 10204 certificate types explained
- Tests available on request
- How to read pipe marking
Technical data on this website is for guidance. Always confirm against the applicable standard and the mill test certificate supplied with the material.
Technical Enquiry
Not Sure Which Grade or Size You Need?
Tell us the application and service conditions – we'll suggest a suitable grade, confirm equivalents and quote the material.