A554

ASTM A554 Specification for Welded Stainless Steel Mechanical Tubing

A554 covers welded stainless steel tubing for mechanical application.

Tube form:round,square,rectangular,oval condition:

  • as welded
  • welded and annealed
  • cold reduced>
  • cold reduced and annealed
  • bead not removed
  • bead removed

grades:MT301,MT302,MT304,MT304L,MT305,MT309S,MT310S,MT310,MT316L,MT321,MT347,MT430

Permissible Variations in Dimensions—Round Tubing

Outside Diameter Thickness Outside Diameter Tolerance Thickness Tolerance Length Tolerance
≤12.7 0.51~1.24 ±0.10 ±10.00%T(±10% of nominal wall thickness) ±4.80 -0
>12.7~25.4 0.51~1.65 ±0.13
>1.65~3.4 ±0.25
>25.4~38.1 0.64~1.65 ±0.20
>1.65~3.4 ±0.25
>38.1~50.8 0.64~1.24 ±0.25
>1.24~2.11 ±0.28
>50.8~63.5 >2.11~3.78 ±0.30
0.81~1.65 ±0.30
>1.65~2.77 ±0.33
>63.5~88.9 >2.77~4.19 ±0.36
0.81~4.19 ±0.36
>88.9~127 0.89~4.19 ±0.51
>4.19 ±0.64
>127~168 1.24~6.35 ±0.64
>6.35 ±0.76

testing and inspection(option)

  • hardness test
  • tension test
  • Nondestructive test
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