DEMAR TUBE GROUP
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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. |