Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Specification | ASTM A268. ASME SA268 |
| Grade | TP409 |
| Type | Seamless, Welded |
| Test | NDT, IBR |
| Finish | Annealed & Pickled, Bright Annealing, Polished |
| Surface | Polishing, Mirro Surface, Bright, Pickling |
| Brand Name | YUHONG |
| Model Number | ASTM A268 TP409 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Specification | ASTM A268. ASME SA268 | Grade | TP409 |
| Type | Seamless, Welded | Test | NDT, IBR |
| Finish | Annealed & Pickled, Bright Annealing, Polished | Surface | Polishing, Mirro Surface, Bright, Pickling |
| Brand Name | YUHONG | Model Number | ASTM A268 TP409 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | Ferritic Seamless Tube ，1.4512 Seamless Tube ，Martensitic Stainless Steel Seamless Tube | ||
Ferritic Martensitic Seamless Tube ASTM A268 TP409 1.4512 S40900
This specification covers a number of grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and high-temperature service. Most of these grades are commonly known as the “straight-chromium” types and are characterized by being ferromagnetic.
The tubes shall be made by the seamless or welded process with no filler metal added, tubes shall be reheated to a temperature of 1200.F [650.C] or higher and cooled to meet the requirements of this specification, All tubes shall be free of excessive mill scale, suitable for inspection. A slight amount of oxidation will not be considered as scale.
Grade 409 stainless steel is a Ferritic steel that offers good mechanical properties and high-temperature corrosion resistance. It is commonly considered as a chromium stainless steel, with applications in exhaust systems of automobiles and applications that demand weldability.
TP409 stainless grade combines the following characteristics:
-Basic corrosion and oxidation resistance
-Composition balanced for optimum formability
-Weldable only in thin sections due to fully ferritic structure
-Low cost and limited cost variation due to low alloy content
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Ti |
| TP409 | 0.08 max | 1.00 max | 1.00 max | 0.045 max | 0.030 max | 10.5~11.7 | 0.5 max | 6*C min, 0.75 max |
SS409 Tubing Tolerance
| Stainless Steel 409 Tube OD | Stainless Steel 409 Tube Tolerance |
|---|---|
| 4mm to 35mm | +/- 0.08mm |
| 35mm to 38mm | +/- 0.15mm |
| 38mm to 60mm | +/- 0.20mm |
| 60mm and above | +/- 0.25mm |
Equivalent Material
| STANDARD | WERKSTOFF NR. | UNS | JIS | KS |
| TP409 | 1.4512 | S40900 | SUS409 | STS409 |
Mechanical Properties
| Grade | Tensile strength | Yield strength | Elongation |
| TP409 | 380 | 170 | 20 |
Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| TP409 | 7800 | 200 | 11.0 | 11.7 | 12.4 | 25.8 | 27.5 | 460 | 600 |
Applications
-Aerospace – piston engine manifolds
-Chemical Processing
-Expansion Joints
-Food Processing – equipment and storage
-Petroleum Refining – polythionic acid service
-Waste Treatment – thermal oxidizers
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 HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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