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ASTM B370

ASTM B370 Copper Product Guide

Applications | Specifications | Mechanical and Chemical Data | Tolerances

Overview

Commonly referred to as roofing copper, this sheet is certified to the ASTM B 370 specification and is 99% pure copper. Different manufacturers may give different alloy numbers as part of their efforts to brand their product, but don't let that confuse you. It's this stuff.

 

Common Trade Names

Roofing Architectural Copper



Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

 

Products

ASTM B370 Sheet

Applications

  • Roofing
  • Jewelry

Specifications


ASTM

B370  




Physical Properties ASTM B370
 
Density0.321 lb/in3
Ultimate Tensile Strength 36.3 ksi
Yield Tensile Strength 28.3 ksi
Shear Modulus 6,380 ksi
Shear Strength 24.7 ksi
Hardness Rockwell | Brinell B75 | 135
Elongation at Break Percentage 33%
Reduction of Area 75%
Modulus of Elasticity16,700 ksi
Poisson's Ratio 0.33
Machinability Percentage20%
Melting Point1,950-1,980 °F
Specific Heat 9.2 x 10^-2 BTU/lb-°F
Thermal Conductivity 2690 BTU-in/hr-ft^2-°F
Electrical Conductivity 100% IACS


Chemistry Information
Element
Percentage
Cu 99
Cu 99
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