Stainless Steel Mechanical Tubing

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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
	>12.7~25.4	>1.65~3.4	±0.25
	>25.4~38.1	0.64~1.65	±0.20
	>25.4~38.1	>1.65~3.40	±0.25
	>38.1~50.8	0.64~1.24	±0.25
	>38.1~50.8	>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
	>63.5~88.9	0.81~4.19	±0.36
	>88.9~127.0	0.89~4.19	±0.51
	>88.9~127.0	>4.19	±0.64
	>127.0~190.5	1.24~6.35	±0.64
		>6.35	±0.76
		>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
JIS G3446	≥50		±0.5%	≥3.00 ±10.00%	50 -0