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Compare / A706 Grade 60 vs SD390

A706 Grade 60 vs SD390

United States ASTM A706/A706M · Steel

A706 Grade 60

US low-alloy weldable rebar for seismic design: yield 60–78 ksi (420–540 MPa), tensile ≥ 80 ksi and ≥ 1.25 × actual yield.

Japan JIS G 3112 · Steel

SD390

Japanese deformed bar: yield 390–510 MPa, tensile ≥ 560 MPa, yield ratio ≤ 80 %.

Mechanical

PropertyConditionA706 Grade 60SD390Difference
Yield strength ReH—420–540MPa1390–510MPa1−7.1 %
Tensile strength Rm—≥ 550MPa1≥ 560MPa1+1.8 %

Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are SD390 relative to A706 Grade 60; for ranges the lower bound is compared.