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310 Rough Extruded Pipe
25% chromium and 20% nickel in the chemistry. 1150 °C oxidation resistance in service. And a surface that still carries the extrusion skin — dark, textured, unmachined. The 310 rough extruded pipe from Jiangsu Ji Lai Da Nickel-Based Alloy Co., Ltd. is the raw form: a seamless hollow straight off the press, pickled to remove loose oxide but otherwise left as-formed. No grinding, no polishing, no bright finish. For buyers who will machine, bore, or re-process the tube themselves, the rough condition saves a step they'd pay for and then cut away.
Rough Has Its Own Logic
Furnace builders don't need a polished bore — the tube goes into a radiant tube assembly where scale forms on day one and stays for the life of the unit. Kiln manufacturers machine the ends to fit anyway. Heat treatment shops cut the pipe to length and weld on fittings; the surface condition before cutting is irrelevant. What matters is that the 310 rough extruded pipe is seamless — no seam to open under thermal cycling — and that the wall is thick enough to survive years of oxidation at temperature. Ji lai da extrudes with wall tolerance within ±0.3 mm, yield above 95%, in ODs from 6 to 89 mm and walls from 3 to 9 mm. Custom dimensions on request. Factory-direct China supplier, FOB / CIF / DDP, MTC per EN 10204.
Who Buys Rough and Why
Secondary processors who draw the rough hollow down to thin-wall heat-resistant tube. Fabricators who machine both ends and weld the pipe into a sub-assembly — the middle section never gets touched, so why pay for a finish that disappears into the furnace? Export traders supplying markets where the buyer's own workshop handles the final surface. The 310 rough extruded pipe is a cost-optimized product: you pay for the alloy and the seamless integrity, not for cosmetics. Jiangsu Ji Lai Da Nickel-Based Alloy Co., Ltd. can also supply pickled, polished, or bright-finished 310 tube if your application calls for it — same grade, different surface.
Quick Reference
| Item | Rough Condition | Alternative |
| Surface | Pickled, as-extruded skin | Polished / bright-drawn |
| OD Range | 6 – 89 mm | Custom upon request |
| Wall Thickness | 3 – 9 mm (±0.3 mm) | Heavier wall available |
| Length | 3000 – 10000 mm | Cut to size |
| Grade | 310 / 310S | Other heat-resist grades |
| Certification | EN 10204 3.1 MTC | Third-party inspection |
Hot Tags: 310 Rough Extruded Pipe, 310 Stainless Steel Extruded Pipe, 310 Extruded Pipe Manufacturer
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No. 521 Zhonghui Road, Huishan District, Wuxi City, Jiangsu Province, China
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