Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Material Grades | TP304, TP304L, TP304H, TP316, TP316L, TP316TI, TP317, TP317L, TP321, TP321H, TP310S, TP347H, Etc. |
| Delivery Time | 30 Days |
| Length | 10m–200m Per Coil Or As Required |
| Surface | Pickled and Annealed, Bright Annealed, Etc. |
| Outer Diameter | 3.0-19.05mm Or As Requested |
| Wall Thickness | 0.51mm – 3.4mm Or As Client's Request |
| Supply Ability | According To Clients' Request |
| Packaging Details | Plywood Case |
| Specification | ASTM A269, ASME SA269 |
| Model Number | TP304, TP304L, TP304H, TP316, TP316L, TP316TI, TP317, TP317L, TP321, TP321H, TP310S, TP347H, Etc. |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
| Brand Name | YUHONG |
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Product Specification
| Payment Terms | T/T, L/C | Material Grades | TP304, TP304L, TP304H, TP316, TP316L, TP316TI, TP317, TP317L, TP321, TP321H, TP310S, TP347H, Etc. |
| Delivery Time | 30 Days | Length | 10m–200m Per Coil Or As Required |
| Surface | Pickled and Annealed, Bright Annealed, Etc. | Outer Diameter | 3.0-19.05mm Or As Requested |
| Wall Thickness | 0.51mm – 3.4mm Or As Client's Request | Supply Ability | According To Clients' Request |
| Packaging Details | Plywood Case | Specification | ASTM A269, ASME SA269 |
| Model Number | TP304, TP304L, TP304H, TP316, TP316L, TP316TI, TP317, TP317L, TP321, TP321H, TP310S, TP347H, Etc. | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China | Brand Name | YUHONG |
| High Light | ASTM A269 TP316L stainless steel tube ，seamless stainless steel instrument tube ，bright annealed stainless steel coil | ||
ASTM A269 TP316L Stainless Steel Coil Seamless Tube For Instruments , Bright Annealed
ASTM A269 TP316L Stainless Steel Seamless Coil Tube is a high-precision, cold-drawn seamless austenitic stainless steel coiled tube manufactured in strict accordance with the ASTM A269 standard, which are widely used for instrumentation, fluid transmission and industrial piping systems. TP316L is the low-carbon version of 316 stainless steel (UNS S31603), featuring ultra-low carbon content to eliminate intergranular corrosion after welding and heat treatment. Different from straight tubes, coil tubes are produced in continuous coiled forms, supporting unlimited customized cutting lengths, with excellent flexibility, bendability and pressure resistance. The seamless manufacturing process completely eliminates weld seam defects, ensuring uniform wall thickness, high pressure bearing capacity and superior structural stability. This stainless steel seamless coiled tube is mainly divided into bright annealed (BA) and pickled annealed(AP) surface types, and is the preferred material for precision fluid control, chemical engineering, petrochemical, pharmaceutical and aerospace pipeline systems.
Chemical Composition:
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) |
| Content (%) | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.00–18.00 | 10.00–14.00 | 2.00–3.00 |
Main Surface Finish Types & Characteristics:
(1)Bright Annealed (BA) Surface
Process: After cold drawing, vacuum bright annealing treatment under oxygen-free environment.
Features: Mirror-bright surface, smooth and flat, no oxide layer, no scaling, low surface roughness. The inner wall is ultra-clean without residual oil and oxide impurities, suitable for high-purity fluid transmission systems.
(2)Pickled & Annealed (AP) Surface
Process: Continuous annealing followed by acid pickling and passivation treatment.
Features: Uniform silver-gray matte surface, removed surface stress and oxide layer, enhanced corrosion resistance. Lower cost than BA finish, suitable for general industrial corrosive environments with no strict surface brightness requirements.
Key Features of ASTM A269 TP316L Bright Annealed (BA) Seamless Coil Tubes:
Main Application Fields:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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