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Yield, Tensile, and Elongation Specifications

Bend tests are 180o except ASTM A615 permits 90o for bar sizes #14 and #18.

Carbon Steel A615   |   Bar Sizes #3 - #6   |   Grade 40
Minimum Yield Strength psi 40,000
Minimum Tensile Strength psi 60,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3
Elongation 11
Bar Size(s) #4, #5, #6
Elongation 12
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5
Pin Diameter 3 ½d
Bar Size(s) #6
Pin Diameter 5d

 

Carbon Steel A615   |   Bar Sizes #3 - #18   |   Grade 60
Minimum Yield Strength psi 60,000
Minimum Tensile Strength psi 90,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3, #4, #5, #6
Elongation 9
Bar Size(s) #7, #8
Elongation 8
Bar Size(s) #9, #10, #11, #14, #18
Elongation 7
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5
Pin Diameter 3 ½d
Bar Size(s) #6, #7, #8
Pin Diameter 5d
Bar Size(s) #9, #10, #11
Pin Diameter 7d
Bar Size(s) #14, #18
Pin Diameter 9d

 

Carbon Steel A615   |   Bar Sizes #3 - #18   |   Grade 75
Minimum Yield Strength psi 75,000
Minimum Tensile Strength psi 100,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3, #4, #5, #6, #7, #8
Elongation 7
Bar Size(s) #9, #10, #11, #14, #18
Elongation 6
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5, #6, #7, #8
Pin Diameter 5d
Bar Size(s) #9, #10, #11
Pin Diameter 7d
Bar Size(s) #14, #18
Pin Diameter 9d

 

Low Alloy Steel A995   |   Bar Sizes #3 - #18   |   Grade 60
Minimum Yield Strength psi 60,000
Minimum Tensile Strength psi 80,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3, #4, #5, #6
Elongation 14
Bar Size(s) #7, #8, #9, #10, #11
Elongation 12
Bar Size(s) #14, #18
Elongation 10
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5
Pin Diameter 3d
Bar Size(s) #6, #7, #8
Pin Diameter 4d
Bar Size(s) #9, #10, #11
Pin Diameter 6D
Bar Size(s) #14, #18
Pin Diameter 8d

Note: For low-alloy steel reinforcing bars, ASTM A706 prescribes a maximum yield strength of 78,000 psi and tensile strength must be 1.25 times the actual yield strength.

 

Stainless Steel A955   |   Bar Sizes #3 - #6   |   Grade 40
Minimum Yield Strength psi 40,000
Minimum Tensile Strength psi 70,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3, #4, #5, #6
Elongation 20
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5
Pin Diameter 3 ½d
Bar Size(s) #6
Pin Diameter 5d

 

Stainless Steel A995   |   Bar Sizes #3 - #18   |   Grade 60
Minimum Yield Strength psi 60,000
Minimum Tensile Strength psi 90,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #3 - #18
Elongation 20
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #3, #4, #5
Pin Diameter 3 ½d
Bar Size(s) #6, #7, #8
Pin Diameter 5d
Bar Size(s) #9, #10, #11
Pin Diameter 7D
Bar Size(s) #14, #18
Pin Diameter 9d

 

Stainless Steel A955   |   Bar Sizes #6 - #18   |   Grade 75
Minimum Yield Strength psi 40,000
Minimum Tensile Strength psi 100,000
Minimum Percentage Elongation in 8th in.  
Bar Size(s) #6 - #18
Elongation 20
Bend Test Pin Diameter
d = nominal diameter of bar
 
Bar Size(s) #6, #7, #8
Pin Diameter 5d
Bar Size(s) #9, #10, #11
Pin Diameter 7d
Bar Size(s) #14, #18, 90o
Pin Diameter 9d

 

Source

CRSI Manual of Standard Practice - 2009 Edition - get the guide now


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