Some Common Elongation Values

Some common elongation values Description

Elongation

1010 Hot Rolled steel

30-40%

1010 Cold Drawn steel

20-30%

1020 Hot Rolled steel

26%

A36 steel 5/16 to 3.5 thick

23%

A36 steel 9/32 thick

21.75%

A36 steel 4/16 thick

20.5%

A36 steel 7/32 thick

19.25%

A36 steel 3/16 thick

18.%

A36 steel 5/32 thick

16.75%

A36 steel 2/16 thick

15.5%

A36 steel 3/32 thick

14.25%

A36 steel 1/16 thick

13%

A36 steel 1/32 thick

11.75%

Aluminum 3004-H36

5%

Aluminum 5052-H34

10%

Aluminum 5454-H34

10%

HOT ROLLED STEEL THICKNESS CHART REFERENCE MILL DATA MFRS. GAGE REF.

WEIGHT (LB/SQIN)

NEW MIN. TOTAL TOL.

95% MIN.

90% EXPECTANCY

EXPECT.

LOW

HIGH

.375

.103

.362 +.028

.365

.366

.372

2

.067

.238 +.024

.240

.242

.248

3

.064

.227 +.020

.229

.230

.237

4

.061

.215 +.020

.217

.218

.225

5

.057

.200 +.020

.202

.203

.209

6

.052

.185 +.020

.187

.187

.193

7

.048

.171 +.016

.173

.173

.179

8

.044

.156 +.016

.158

.158

.164

9

.040

.142 +.016

.144

.144

.150

10

.036

.126 +.016

.128

.128

.134

11

.032

.112 +.016

.113

.114

.119

12

.027

.097 +.014

.098

.099

.104

13

.023

.081 +.014

.083

.083

.088

14

.020

.071 +.012

.072

.073

.076

15

.018

.063 +.012

.064

.064

.068

16

.016

.056 +.008

.057

.057

.061

COLD ROLLED STEEL THICKNESS CHART REFERENCE MILL DATA MFRS. GAGE REF.

WEIGHT (LB/SQIN)

NEW MIN. TOTAL TOL.

95% MIN.

90% EXPECTANCY

EXPECT.

LOW

HIGH

9

.040

.142 +.012

.143

.144

.148

10

.036

.126 +.012

.127

.128

.132

11

.032

.112 +.012

.113

.114

.118

12

.027

.097 +.012

.098

.098

.102

13

.023

.081 +.010

.082

.082

.086

14

.020

.071 +.010

.072

.072

.075

15

.018

.063 +.010

.064

.064

.067

16

.016

.056 +.008

.057

.057

.060

17

.014

.050 +.008

.051

.051

.053

18

.012

.044 +.008

.045

.045

.047

19

.011

.038 +.006

.038

.039

.041

20

.009

.033 +.006

.033

.034

.035

23

.007

.024 +.006

.024

.025

.026

24

.006

.021 +.006

.021

.022

.024

25

.005

.018 +.004

.018

.019

.020

GALV. COMMERCIAL H.S. OR STRUCTURAL STEEL THICKNESS CHART REFERENCE MILL DATA MFRS. GAGE REF.

WEIGHT (LB/SQIN)

NEW MIN. TOTAL TOL.

95% MIN.

90% EXPECTANCY

EXPECT.

LOW

HIGH

7

.045

.160 +.018

.161

.162

.167

8

.044

.156 +.018

.157

.158

.162

9

.040

.142 +.018

.143

.144

.148

10

.036

.126 +.018

.127

.128

.132

11

.032

.112 +.018

.113

.114

.118

12

.027

.097 +.016

.098

.099

.102

13

.023

.081 +.016

.082

.083

.086

14

.020

.071 +.016

.072

.073

.075

15

.018

.063 +.012

.064

.064

.067

16

.016

.056 +.010

.057

.057

.060

17

.014

.050 +.010

.051

.051

.054

18

.012

.044 +.010

.045

.045

.048

19

.011

.038 +.008

.039

.039

.042

20

.009

.033 +.008

.033

.034

.036

23

.007

.024 +.006

.024

.025

.026

24

.006

.021 +.006

.021

.022

.024

25

.005

.018 +.006

.018

.019

.020

STAINLESS STEEL THICKNESS CHART

REFERENCE MILL DATA MFRS. GAGE REF.

WEIGHT (LB/SQIN)

NEW MIN. TOTAL TOL.

95% MIN.

90% EXPECTANCY

EXPECT.

LOW

HIGH

6

.052

.185 +.014

.187

.187

.193

7

.048

.171 +.014

.173

.173

.179

8

.044

.156 +.014

.157

.158

.164

9

.040

.142 +.012

.143

.144

.148

10

.036

.126 +.010

.127

.128

.132

11

.032

.112 +.010

.113

.114

.118

12

.027

.097 +.008

.098

.098

.102

13

.023

.081 +.008

.082

.082

.086

14

.020

.071 +.006

.072

.072

.075

15

.018

.063 +.006

.064

.064

.066

16

.016

.056 +.006

.057

.057

.059

17

.014

.050 +.006

.051

.051

.053

18

.012

.044 +.006

.045

.045

.047

19

.011

.038 +.004

.039

.039

.040

20

.009

.033 +.004

.033

.034

.035

23

.007

.024 +.003

.024

.025

.026

24

.006

.021 +.003

.021

.022

.023

25

.005

.018 +.003

.018

.019

.020

Disclaimer: I am not responsible for errors in this program. It's as good as I can make it. But I'm human I make mistakes. From: Joe Mansheim 5/11/99