There is no simple answer for this question. This post defines three different ways of measuring PVC pipe strength and includes helpful charts.
1. PVC pipe is manufactured with a mean diameter of 2.565 cm and
PVC, UPVC and CPVC Pipe Manufacturer
NEC Cable Chart Article 310, PDF, Electrical Conductor
PVC Properties - Vinidex Pty Ltd
Know Your Materials: Polyvinyl Chloride (PVC) - SyBridge Technologies
Blue Brute® PVC Pressure Piping Systems
All Size Available Pipe and Fittings Top Supplier Astral CPVC Pipe & Pipe Fittings - China CPVC Pipe, PVC Pipe
Type EB Rigid PVC Conduit Pipe - Durable and Versatile Conduit Solution
How Strong Is PVC Pipe? (With PVC Strength Charts), 41% OFF
PVC vs uPVC - Difference and Comparison
Usefulness of Stress-strain Curve in Understanding Behavior of Pvc/pe Products in Actual Use - Kanademy
Comparison of the mechanical properties of steel and PVC.
Guyana National Bureau of Standards - GNBS CERTIFIED PRODUCT Polyvinyl Chloride (PVC) Pipes Are you building or renovating? Then build with standards, choose quality, durability and strength! Use only GNBS certified