Highly Durable ASTM A312 TP316L Stainless Steel Studded Fin Tube
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A312 TP316 Studded Fin Tube
Minimum Order Quantity:10PCS
Delivery Time:Depends on quantity
Payment Terms:T/T, L/C
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Highly Durable ASTM A312 TP316L Stainless Steel Studded Fin Tube
What is studded fin tube?
Studed fin tube is made by electrical resistance welding specially
formed studs(round pins ) in rows around the tube. The Studs can be
supplied in a variety of sizes and shapes. Stud tube has a very
high heat transfer efficiency. The heat exchange efficiency is
equivalent to 2-3 times that of the bare pipe.
Features of a Studded Fin Tube:
-It occupies less space and is, therefore, compact
-Highly durable
-Preferred over Finned tubes as they act as heat transfer systems
-Enhanced performance
Manufacturing Range (Studded Fin Tube):
Sr. No | Particulars | Range |
1 | Base Tube Material | Stainless Steel, Carbon Steel, Alloy Steel, Titanium , Copper, Duplex Stainless Steel, Inconel etc. (all material in the theoretical limit) |
2 | Base Tube Outside Diameter | 60 mm to 200 mm |
3 | Base Tube Thickness | 3 mm to 12.70mm Above |
4 | Base Tube Length | 2000 mm Min To 15000 mm |
5 | Stud Material | Carbon Steel/Stainless Steel/Alloy Steel |
6 | Stud Thickness | 6mm to 16mm |
7 | Stud Density | 15.88mm or 63 Studs Per Plate Per Meter (Can Be Customized to Clients Requirements) |
8 | Stud Height | 12.7mm to 63.5mm |
9 | Bare Ends | As per Client Requirement |
Size Reference for Different Types of Finned Tubes
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tueb | 16-63 | 2.1-5 | <17 | ~0.4 |
| Extruded | Single metal combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low fin tube t-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8-30 | <2.5 | / | |
| Wound | l/kl/ll type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3-25 | 5-30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8-30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8-30 | 5-35 | φ5-20 | |
Chemical Composition of TP316L
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Equivalent Material of 316L
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 316L | S31603 | 316S11 | - | 1.4404 | X2CrNiMo17-12-2 | 2348 | SUS 316L |
Physical Properties of ASTM A312 TP 316L Seamless Pipes
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Elec Resistivity (nΩ.m) | |||
| 0-1000C | 0-3150C | 0-5380C | At 1000C | At 5000C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Mechanical Properties
| Tensile Requirements | TP316 | TP316L |
|---|---|---|
| Tensile Strength min. MPa [ksi] | 515 [75] | 485 [70] |
| Yield Strength min. MPa [ksi] | 205 [30] | 170 [25] |
| Elongation in 2", min, % (*L) | 35 | 35 |
| Elongation in 2", min, %(*T) | 25 | 25 |
Applications:
Steel studded tubes are used instead of finned tubes for heat transfer in the petrochemical industry, generally in furnaces and boilers where the surface is exposed to a very corrosive environment and where very dirty gas streams require frequent or aggressive cleaning.
Highly Durable ASTM A312 TP316L Stainless Steel Studded Fin Tube
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