Stainless Steel Calculators & Pipe Tools
Free stainless steel calculators for pipe weight, PREN, A358 tolerances, A999 ovality, plate width and UK steel quota availability. Use them for initial enquiries and planning, then talk to our team to confirm specifications and stock.
Free stainless steel calculators for buyers and engineers
Our stainless steel calculators are free to use and each one opens in a new tab. They answer the questions we are asked most often: how much a length of pipe weighs, whether a pipe is within its ASTM A358 or A999 tolerances, how much plate is needed to form a pipe, and how resistant a stainless grade is to pitting corrosion. For wider technical guidance on stainless steel, the British Stainless Steel Association is a good source of further information.

UK Steel Quota Availability Checker
Review live UK steel quota availability for stainless steel products, covering categories 14, 15, 21, 25A, 25B and 26.

Weight per Metre Calculator
Estimate pipe weight per metre from the outside diameter and wall thickness.
Calculation: (OD − WT) × WT × 0.02504

PREN Calculator
Compare the Pitting Resistance Equivalent Number of different stainless steel compositions. The higher the PREN, the more resistant the steel is to localised pitting corrosion by chloride.

A358 Tolerance Calculator
Check the tolerances on outside diameter and wall thickness for NB pipe manufactured to the A358 specification.

Plate Width Calculator
Work out the plate width required to manufacture a pipe from a given outside diameter and wall thickness.

A999 Ovality / OD / Wall Tolerance Calculator
Check whether your pipe is within tolerance on outside diameter, wall thickness and ovality for A312 and A358 pipe.
Although every effort has been made to give accurate information, PipeXtra Stainless Ltd accepts no responsibility for any errors.
Need stainless pipe cut to length?
Send us your sizes and quantities and we’ll confirm price, availability and lead time.

