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Utilizing 26 high-precision cold rolling mills and 6 cold drawing machines, we ensure dimensional accuracy and superior mechanical properties.
Cold Rolled TP310S Stainless Steel Pipe
25-20 Chromium-Nickel | UNS S31008 | Cold Rolled Precision Finish
Large Diameter | Thin Wall | ASME SA312Related Products
Introduction
Cold Rolled TP310S Stainless Steel Pipe uses the same 25% chromium, 20% nickel high-temperature alloy found across the 310S family, but is finished through cold pilger rolling rather than cold drawing or hot finishing. Cold rolling reduces wall thickness incrementally between a pair of shaped rolls while the tube rotates and advances, a process that is particularly well suited to producing larger-diameter, thinner-wall pipe with tighter out-of-roundness and wall-eccentricity tolerances than drawing alone typically achieves. This makes cold rolled TP310S pipe the preferred product form when a project needs large nominal diameters combined with wall thicknesses too thin to draw reliably without wrinkling or wall thinning defects.
The rolling process also imparts a very smooth, consistent surface finish on both the inside and outside diameter, which benefits applications where flow characteristics or ease of cleaning matter in addition to raw high-temperature performance. After rolling, the pipe undergoes bright annealing or standard solution annealing at 1040°C minimum to fully recrystallize the cold-worked structure, remove residual stress, and restore the oxidation-resistant properties that make 310S useful up to 1100°C in continuous service. Dimensional inspection typically includes ultrasonic wall thickness mapping along the full length to confirm the tighter tolerance band that justifies choosing the cold rolled product over a cold drawn equivalent.
Typical uses include large-diameter furnace shells and heat treatment baskets and trays, tray and mesh belt components for continuous heat treatment lines, high-temperature ducting where thin, uniform wall reduces weight without sacrificing oxidation life, and process equipment housings exposed to intermittent high-temperature cycling. Because cold rolling is more capital- and time-intensive than cold drawing for equivalent diameters, this product form is generally specified when the dimensional tolerance or surface finish requirement cannot be met by standard cold drawn pipe.
Specifications
| Material Grade | TP310S (UNS S31008) |
| Standard | ASTM A312, ASME SA312 |
| Outer Diameter | 60mm - 323mm |
| Wall Thickness | 1.5mm - 10mm |
| Length | Up to 12000mm |
| Finish | Bright Annealed, Cold Rolled |
Chemical Composition
| C | Mn | Si | Cr | Ni |
| ≤.08 | ≤2.0 | ≤1.5 | 24-26 | 19-22 |
Cold Rolled Tight Tolerance
Mechanical Strength
Comprehensive Info
| MOQ | 1000kg |
| Lead Time | 25 - 35 Days |
| Testing | UT Wall Mapping & Hydro-test |
| Wall Tolerance | Tighter than Cold Drawn |
Key Applications
Furnace Baskets Large-diameter heat treatment trays and baskets
Mesh Belt Lines Continuous heat treatment line components
Lightweight Ducting Thin-wall high-temperature process ducting
Advantages
Tighter Tolerance
Cold rolling holds closer wall eccentricity than drawing.
Smooth ID/OD Finish
Consistent surface benefits flow and cleaning applications.
Reduced Weight
Thin, uniform wall lowers mass for equivalent diameter.
1100°C Oxidation Life
Retains full 310S high-temperature scaling resistance.
About Jiangsu Jend Tube Co.,Ltd.
As China Cold Rolled TP310S Stainless Steel Pipe Manufacturers and Wholesale Cold Rolled TP310S Stainless Steel Pipe Factory, Established in 2011 and is a manufacturing enterprise with a complete manufacturing cycle from raw material selection to finished product delivery. The company currently has more than 100 employees, covers an area of 30015 square meters, and has a registered capital of 48 million yuan, annual production capacity of 3800 tons.
The company has passed ISO9001:2015 quality certification, domestic pressure vessel TS certification, and foreign pressure vessel PED certification. With rich experience and mature technology, we have been expanding our market internationally. At present, our products are exported to more than 50 countries and regions including Europe, America, Southeast Asia, and the Middle East.
The company adheres to different production norms and standards such as the American standard (ASTM), the European standard (EN), the German standard (DIN), the Japanese standard (JIS), the Russian standard (GOST), and the Chinese standard (GB).
Our company specializes in and customizes various specifications of Martensite TP410 (0Cr13, 1Cr13), Ferrite TP405 (1Cr13Al), TP430 (1Cr17), TP444 (0Cr18Mo2), TP439, TP409 (0Cr11Ti), It is also proficient in manufacturing Austenitic seamless stainless steel pipes of series such as TP304(L/H), TP316(L/H/Ti), TP310S, TP317, TP321(H) and TP347(H). Duplex such as S31803, S2205, S32750, S32304, and Nickel-based alloys Monel400, Monel600, Monel800, GH3030, 904L, Inconel 625, etc.
The company mainly produces seamless steel pipes with the following specifications: outer diameter: 3.18mm to 406.4mm, wall thickness: 0.3mm to 20mm, and the longest length is 25000mm. Additionally, it can customize seamless steel pipes with special materials and specifications according to customer requirements. The company attaches great importance to scientific innovation. The staff of the company vigorously develop technological research and development.
Jiangsu Jend Tube Co.,Ltd. will continuously accumulate professional knowledge and capabilities, striving to become a leader in the domestic market and even the world market. Strive to be the most reassuring pipe manufacturing enterprise for customers.
Precision Manufacturing and Process Optimization
We rely on precision equipment and optimized production technologies to achieve outstanding mechanical performance and consistent product quality.
Cold Rolling and Cold Drawing
Solution Heat Treatment
Natural gas solution treatment furnaces and BA solution treatment furnaces optimize the material's grain structure, enhancing corrosion resistance.
Precision Straightening and Polishing
10 straightening machines and 8 finishing polishing machines guarantee product surface smoothness and dimensional accuracy.
Automated Inspection and Quality Assurance
Real-time monitoring systems ensure the stable quality of every batch of products.
Usage Tips
Tolerance Justification
Choose cold rolled over cold drawn when your drawing specifies wall eccentricity or roundness tighter than standard cold drawn capability.
Large Diameter Thin Wall
For diameters above roughly 150mm with wall under 3mm, cold rolling typically outperforms drawing in defect rate.
Services
UT Wall Mapping
Full-length ultrasonic thickness survey on request.
Custom Diameter Rolling
Large-diameter thin-wall runs to project specification.
Bright Annealing
Oxide-free finish for visible or hygienic installations.
Logistics
30% T/T Deposit / L/C at sight. Large-diameter lengths cradle-packed in steel-framed crates to prevent ovality during transit.
Standards
ASME SA312
ISO 9001
TUV/PED on Request
Frequently Asked Questions
What is the difference between cold rolled and cold drawn TP310S?
Cold rolling uses shaped rolls to reduce wall thickness incrementally and is better suited to large-diameter, thin-wall pipe with tighter tolerance than cold drawing typically achieves.
Does cold rolling change the alloy's high-temperature performance?
No, the chemistry and oxidation resistance are identical to other TP310S product forms; only the manufacturing process and resulting dimensional tolerance differ.
What diameter range is best suited to cold rolling?
Larger diameters combined with thinner walls, generally above 150mm OD with wall under 3-4mm, benefit most from the cold rolling process.
Is the surface finish different from cold drawn pipe?
Yes, cold rolling typically produces a smoother, more consistent ID and OD finish than cold drawing.
What testing confirms the tighter tolerance?
Ultrasonic wall thickness mapping along the full length is used to verify the tolerance band before shipment.
Can this pipe be bright annealed?
Yes, bright annealing is available for installations where an oxide-free, reflective surface is preferred.
Need Cold Rolled TP310S Pipe for a Large-Diameter Application?
Send your target diameter, wall thickness, and tolerance requirement for a production feasibility check.
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