ASTM 249 stainless steel tubes and pipes
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GNEE Steel is a professional ASTM 249 stainless steel tubes and pipes supplier and manufacturer with more than 15 years experience. Our stainless steel tubes are produced in compliance with ASTM A249 standards in stainless steel TP304, TP304L, TP304H,TP309S,TP309H,TP310S,TP310HTP316.TP316LTP316H,TP317.TP317L,TP321,TP321H,TP347,TP347H,TP348,TP348H. Stainless steel tubes and pipes supplied by GNEE Steelhas excellent OD tolerance and mechanical properties enabling us to full fill the most demanding requirements from our customers. The quality of our tubes is ensured by our strict manufacturing process and testings at various stages of production.
For us quality always stands first, and we would provide100% free replacement to our customer. At the same time, we also strive to ensure that our quality for cold drawn stainless steel pipes and tubes is the best in the industry. Our continuous focus on quality, price and service has helped us win many order from overseas. We welcome you to contact us for best prices for cold drawn seamless stainless steel tubes from our factory.ss@gneesteel.com
ASME SA249 Stainless Steel Tubing Specification
| ASTM A249 TP304 Standard Specification | Stainless Steel Welded Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes |
| Manufacturing Type | ERW / Welded / Fabricated / CDW / DOM / CEW / 100% X Ray Welded |
| Delivery Condition | Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF |
| Surface Finish | BA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish ASME SA249 Standard Tubing or Custom Finish as per customer's specification |
| Outside Diameter (OD) | 6 to 304.8 mm |
| Wall Thickness Range | 0.5 to 6 mm |
| Standard | SUS, JIS, AISI, ASTM, GB, DIN, EN |
| Value Added Services |
Cutting Beveling Threading Polishing (Electro & Commercial) Draw & Expansion as per required Size & Length Destructive and Non Destructive Ultrasonic Testing Annealed & Pickled Bending |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting, Moulding |
| Technique | ASTM A249 Welded Austenitic Steel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube |
| Tolerance |
Outer Diameter: +/- 0.2mm Thickness: +/- 10% OR as customer request Length: +/- 10mm |
| Test Certificate |
DFARS compliant EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) 100% Radiography Test Report Raw Materials Certificate Third Party Inspection Report Fumigation Certificates Heat Treatment Charts HS Code Commercial Invoice Form A for Generalized System of Preferences (GSP) Manufacturer Test Certificate Moisture testing Surface roughness measurement Laboratory Test Certificate from Govt. Approved Lab |
| ASME SA 249 TP 304 Tubing Packaging | Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers' request |
| Port | Mumbai, India |
| Uses & Application |
Common industrial services (Petroleum, chemical, paper, fertilizer, fabric, aviation and nuclear) Fluid, gas and oil industry Heat transmission and pressure service Construction and ornamental Boilers and Heat exchangers system Decoration purpose, boiler, auto parts, medical device, food industry, building materials) |
ASTM A249 Welded Austenitic Steel Tubing Mechanical Properties
| SA 249 | TENSILE STRESS (MPA) | YIELD STRESS (MPA) | ELONGATION (%) |
|---|---|---|---|
| TP304 | 515 | 205 | 35 |
ASME SA 249 TP 304 Tube Chemical Composition
| SA 249 | C | SI | MN | CR | NI | S | P | FE |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0,08 | 1,0 | 2 | 18 – 20 | 8 – 11 | 0,03 | 0,045 | Bal. |
ASTM A249 Welded Stainless Steel Tubing Inventory
| OUTSIDE DIAMETER (OD) - MM | 12.7, 15.88, 19.05, 25.4, 31.8, 38.1, 45, 50.8, 60.3, 76.2 |
|---|---|
| WALL THICKNESS (WT) - MM | 0.51, 0.71, 0.89, 1.0, 1.25, 1.65, 2.11, 2.77, 3.05 . |
