A249 Welded Stainless Steel Pipe
GNEE is one of the leading manufacturers, suppliers and exporters of A249 Austenite Welded Stainless Steel Pipe, these products use high quality materials.
A249 stainless steel pipe is an austenitic pipe with low carbon content. Its chemical composition consists of chromium and nickel, which makes A249 high temperature pipe more resistant to corrosion and oxidizing media high temperature environment, widely used in petroleum, chemical, pharmaceutical, food and other fields.
The ASTM A249 stainless steel welded pipe pipe is available in a variety of specifications, including different outer diameters and wall thicknesses. Stainless steel pipes can be provided in customized sizes and shapes as per customer project requirements.
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A249 Welding heat exchanger Specifications
| Standard | ASTM A249 |
| Size (Round) | 12mm-159mm |
| Thickness | 0.6mm-3mm |
| Thickness Tolerance | +/-10% |
| Length | 5.8meter or 6meter or customized |
| Length Tolerance | +4.8/-0 mm |
| Outside Diameter Tolerance | According to ASTM A249 a269 standard |
| Application | Boiler, heat ex-changer, super heat ex-changer, condenser |
| Packaging | Each Tube packed by plastic bag individually and then packed by hollow plate and weaving bags |
| Transportation | By Road - Truck / Train, By Sea |
A249 stainless steel welded pipe Chemical Composition
| Grade | UNS Design |
Composition, % | ||||||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mb | Ti | Nb | N | Cu | Ce | B | Al | ||
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | Ti 5 × (C+N) min, 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | ||
A249 condenser tube Tensile Requirements
| Grade | UNS | Tensile Strength, Min ksi [MPa] | Yield strength, min ksi [MPa] | Elongation in 2 in. or 50 mm, min, %A, B | Hardness, Max | |
| Designation | Brinell/Vickers | Rockwell | ||||
| TP304 | S30400 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP316 | S31600 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP321 | S32100 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP347 | S34700 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
A249 Stainless steel pipe straight seam welded pipe
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FAQ
1.Q.What's your advantage?
A.Honest business with competitive price and professional service on export process.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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