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High Purity Tube (Electrolytic Polished)

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High Purity Tube (Electrolytic Polished)

Brand Name : DEMAR/OEM

Model Number : 1/4inch to 3inch

Certification : ISO , PED

Place of Origin : CHINA

MOQ : 6M

Price : RMB50-400/M

Payment Terms : L/C, T/T

Supply Ability : 2000M/Day

Delivery Time : 7 Days

Packaging Details : packed in plywood boxes,individual packing of each tube is double polyethylene

Material : TP316L

RA : ＜0.2μm

Length : 4M、6M

Gr/Fe : ≥1.5

Oxide Thickness : ≥1.5nm

CPT : >25℃

Packing : in the cleaning room

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Material for HP Tube chemical composition %
Cr Ni Mo Mn Si C P S
316L 16.7 13.6 2.13 0.9 0.38 0.011 0.02 0.006


The size available in stock as follows:

O.D.(inch) W.T.(inch) Type specification
1/4' 0.035 TUBE-1/4-0.035-316L-EP
3/8' 0.035 TUBE-3/8-0.035-316L-EP
1/2' 0.049 TUBE-1/2-0.049-316L-EP
3/4' 0.065 TUBE-3/4-0.065-316L-EP
1' 0.065 TUBE-1-0.065-316L-EP
1 1/2' 0.065 TUBE-1 1/2-0.065-316L-EP
0.083 TUBE-1 1/2-0.083-316L-EP
2' 0.065 TUBE-2-0.065-316L-EP
0.083 TUBE-2-0.083-316L-EP

Material Type: 316L Stainless steel
Dimensions: ASTM Tube Sizes:
• 1/4" to 4" (6.35mm to 101.6mm)
Reference Documents: ASTM: A 269, A 632, A 1016
Tube Lengths: Nominal lengths:20-foot, 4-meter
Hardness: 90 Rb max
Dachen Material Types: Single-melt
(seamless or welded, depends on size)
Tolerances: In accordance with ASTM: A 269 & A 632
Interior Surface
Electropolished:		 I.D. Surface Roughness:
• 10 micro-inches Ra
Weld Ends: Square ends suitable for orbital welding
Testing & Inspection: • Visual inspection
• Surface roughness measurement
• Dimensional inspection
Documentation: A Quality Inspection Certificate is furnished with each shipment.
The report contains the following information:
a. Material composition & applicable specification designation
b. Nominal outside diameter size
c. Chemical composition
d. Statement of quality assurance testing
e. Inspection Certificate type 3.1 per EN 10204:2004
f. Lot & heat identification for traceability
Packaging: All components are purged with UHP nitrogen, capped, double-bagged
and packaged for shipment in such a manner, which prevents damage
to product and primary product packaging.

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