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%

TRIS Tube Co., Ltd   

(11300) 21, Seungjeon-ro, Dongducheon-si, Gyeonggi-do, Korea   |   Business Registration Number: 127-81-32301   |   CEO: Kookjin Lim
TEL. 031-866-4602~3   |   FAX. 031-866-5156

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