Welded Precise Tubes Supplier

Welded Tube

TRIS has been supplying precision and high quality Welded Tube to medical devices, semiconductors and automobiles for more than 20 years. TRIS supplies products to industries that require high quality with precision plug drawing, internal / external BA heat treatment, careful tolerance management, and bead line management.

In addition, TRIS supplies special shape precision tubes such as square tube and pentagon tube using forming and plug drawing to the automotive as Fuel Rail tube, and provides various specifications for medical equipment that require precise dimensions and cleanliness.

Application

Semiconductor Automobile Medical

Steel grade

316 316L 304 304L

Details

SIZE (Straight Tube)

OD (Outside Diameter)	1.5mm ~ 50.8mm (0.059” ~ 2”)
WT (Wall Thickness)	0.15mm ~ 3.0mm (0.006” ~ 0.12”)

SIZE (Coil Tube)

Item	Size	Standard tolerance	Tris Available tolerance
O.D (Out Diameter)	up to 6.35 (1/4")	-0/+0.1(0.004")	-0/+0.05(0.001")
	6.35 ~ 12.7 (1/4" ~ 1/2")	-0/+0.1(0.004")	-0/+0.05(0.001")
	12.7 ~ 19.05 (1/2" ~ 3/4")	±0.13(0.005")	±0.1(0.003")
	12.7 ~ 19.05 (1/2" ~ 3/4")	±0.13(0.005")	±0.1(0.003")
W.T (Wall Thickness)	0.3 ~ 2.0 (0.012" ~ 0.08")	±10%	±5%