A desirable quality for heat exchanger applications is high creep strength. Due to the heat exchangers' constant exposure to high temperatures, strong materials like 321 stainless steel seamless tubing are required. The WERKSTOFF NR.1.4541 Heat exchanger Tube has outstanding corrosion resistance capabilities in addition to being able to tolerate high temperatures, giving them a long or extended service life.
Despite being an austenitic stainless steel alloy, ASTM A213 TP321 Instrumentation Tubes have a stabilising ingredient in its chemical makeup. The stabilisation of carbides is helped by titanium, which is a stabilising element in its chemistry. High temperature welding is problematic because of carbide precipitation. 800 to 1500 °F is the temperature range where carbide precipitation takes place, which leads to intergranular corrosion. The stabilisation of Stainless Steel 321 Seamless Tube, in contrast to other conventional austenitic alloys, prevents the production of carbide precipitates, improving the alloy's weldability features.
Compared to grades 304 and 304L, grade SS 321 Cold Rolled Coiled Tubing has better stress rupture qualities. This characteristic reduces the possibility of the material failing suddenly when the ASTM A249 TP321 Welded Tube is used, making it a useful addition in high-stress applications. The UNS S32100 U Tube has good low-temperature toughness, which is similar to numerous austenitic stainless steel alloys. Cold working is how the SS 321 ERW Tubes obtain their exceptional hardness attribute.
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Standard |
ASTM, AISI, GB, JIS, customers' requests available |
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Size |
Round Tube: OD: 16-119mm or customized |
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Thickness |
0.25mm-3.0mm |
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Length |
6m or according to customers' request |
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Sample |
Free sample is available, but freight should be paid by you |
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Tolerance
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Outer diameter: ±0.2mm |
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Thickness: ±0.05mm |
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Length: ±0.5mm |
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Ends |
In plain end or bevelled ends or as your requirements |
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Welding Line Type |
ERW (Electrical Resistance Weld) |
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Finishing
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A. Sanded |
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B. Gloss #400,Mirror #600 - #1000 |
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C. Brushed |
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D. Wood Grain |
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E. Embossed, Threaded |
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Application |
Decorations, constructions, food industry, etc. |
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Certification |
ISO, SGS |
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Round Pipe Size |
16, 17, 18, 19, 20, 21, 22, 23, 25, 28, 31.8, 35, 36, 38.1, 48, 50.8, 60, 63.5, 76.2, 89, 101, 114 mm |
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Square Pipe Size |
17, 18, 19, 20, 21, 22, 23, 24, 25, 28, 30, 36, 38, 50 mm |
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Rectangle Pipe Size |
10*30, 10*40, 10*50, 20*10, 23*11, 24*12, 25*13, 28*25, 28*13, 29*14, 30*15, 30*20, 30*22, 34*22, 36*23, 50*25, 60*30, 75*45, 95*45 mm |
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Thickness |
exact 0.25, 0.28, 0.32, 0.37, 0.41, 0.51, 0.61, 0.71, 0.91, 1.11, 1.15, 1.41 mm |
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Length |
6m or according to customer’s request |
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Outer diameter |
6.35-219mm |
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Tolerance |
Outer diameter :±0.2mm |
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Thickness :±0.02mm |
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Length :±0.5mm |
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Process method |
Code drawn, annealed with nitrogen protection, ultrasonic, automatic shape, polished |
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Test |
Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
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Equipment |
Press machine, Bending machine, Pushing Machine, electric bevelling machine Sand-blasting machine, etc |
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Origin |
West Europe / Japanese / Indian / USA / Korean / American / European |
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Test Certificates |
Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report |
| SS A249 TP321 Square Tubing | Stainless Steel 1.4541 Polished Tube |
| ASME SA249 TP 321 Tubing | Stainless Steel 321 Fabricated Tube |
| UNS S32100 12mm Tube | ASME SA249 TP 321 Seamless Tubing |
| 321 Stainless Steel High Pressure Tube | ASTM A249 TP 321 Thin Wall Tubing |
| Stainless Steel 1.4541 Electropolished Tubes | ASME SA249 TP 321 Cold Drawn Seamless Tube |
| Stainless Steel 321 Hydraulic Tubing | ASTM A249 TP 321 Coiled Tube |
| 321 SS ERW Tube | 321 Stainless Steel Electropolished Tube |
| UNS S32100 Rectangular Tubing | Stainless Steel 1.4541 CDW Tube |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
|---|---|---|---|---|---|---|---|---|---|
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) - 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi - 75000 , MPa - 515 | Psi - 30000 , MPa - 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
|---|---|---|---|---|
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
