• World class quality

  • More tube footage/kg

  • Decreased inventory

  • Wrinkle less tighter bend radius

  • Less tooling trouble

  • Increased productivity

  • Reduced scrap

  • Higher yield

  • Low production costs

 

 

STRAIGHT LENGTHS

DIMENSIONAL TOLERANCES

Tolerance on outside diameter and wall thickness is ASTM B75        Unit : min (in.)

Std.
Size, In. 		O.D Tolerance plus and minus
Nominal                  
Average Tolerance
(+& -)

 0.30

(0.012)  

 

0.35

(0.014)  

 

0.41

(0.016)  

 

0.5

(0.020)  

 

 0.6

(0.024)  

 

0.7

(0.028)  

 

0.8

(0.031)  

 

0.9

(0.035)  

 

1.0

(0.39)  

 

3/16

4.76
(0.187)

0.025

(0.001)

0.025

(0.001)

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

1/4

6.35
(0.250)

0.025

(0.001)

0.025

(0.001)

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

5/16

7.94
(0.312)

0.025

(0.001)

0.025

(0.001)

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

3/8

9.52
(0.375)

0.025

(0.001)

0.025

(0.001)

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

½

12.7
(0.500)

____

0.025

(0.001)

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

5/8

15.88
(0.625)

____

____

0.025

(0.001)

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.076

(0.003)

0.076

(0.003)

0.051
(0.002)

3/4

19.05
(0.750)

____

____

____

0.051

(0.002)

0.051

(0.002)

0.064

(0.0025)

0.064

(0.0025)

0.089

(0.0035)

0.089

(0.0035)

0.064
(0.0025)
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