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Stainless Steel Mechanical Tubing

Specifications of Stainless Steel Mechanical Tubing
Standards: ASTM A554/DIN/EN10296-2/JIS G3446/GB/T 12770
Size of stainless steel square tubing: 10×10mm-100×100mm
Size of stainless steel rectangular tubing: 10×20mm-60×120mm
OD of stainless steel round tube: 9.5-219mm

Dimensional Tolerance Table
Standard O.D. (mm) Wall Thickness (mm) OD Tolerance (mm) Wall Thickness Tolerance (mm) Length Tolerance (mm)
ASTM A554 ≤12.7 0.51~1.24 ±0.10 ±10.00%T (±10.00% of nominal wall thickness) +4.08 -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
>1.65~3.40 ±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 0.89~4.19 ±0.51
>4.19 ±0.64
>127.0~190.5 1.24~6.35 ±0.64
>6.35 ±0.76
GB/T12770 <25 ±0.15 Cold Rolled

≤0.50 ±0.05 >0.50~1.00 ±0.11 >1.00~2.00 ±0.17 >2.00~3.00 ±7.00%S >3.00 ±10.0%S Hot Rolled ±10.00%S
+20.00
-0
≥25~40 ±0.18
≥40~50 ±0.20
≥50~60 ±0.23
≥60~70 ±0.30
≥70~80 ±0.30
≥80~90 ±0.30
≥90~100 ±0.40
≥100~200 ±0.50%D
≥200 To Be Agreed
JIS G3446 < 50 ±0.25 < 3.00 ±0.30 +50
-0
≥50 ±0.5% ≥3.00 ±10.00%
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