YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Stainless Steel Tube |
| Standard | ASTM A268, ASME SA268 |
| Material | TP405, UNS S40500 |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| Thickness | BWG10-25 |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End |
| High Light | ASTM A268 TP405 Stainless Steel Seamless Tube, Bright Annealed Heat Exchanger Tube |
| Brand Name | YUHONG |
| Model Number | ASTM A268 TP405 Stainless Steel Seamless Tube |
| 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 | L/C,T/T | Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Stainless Steel Tube |
| Standard | ASTM A268, ASME SA268 | Material | TP405, UNS S40500 |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | Thickness | BWG10-25 |
| Length | Single Random, Double Random & Cut Length | End | Plain End, Beveled End |
| High Light | ASTM A268 TP405 Stainless Steel Seamless Tube, Bright Annealed Heat Exchanger Tube | Brand Name | YUHONG |
| Model Number | ASTM A268 TP405 Stainless Steel Seamless Tube | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A268 TP405 stainless steel tube ，ferritic stainless steel heat exchanger tube ，UNS S40500 boiler tube | ||
ASTM A268 TP405 / UNS S40500 Stainless Steel Seamless Tube Heat Exchanger Tube
ASTM A268 TP405 is a low‑cost, SCC‑resistant ferritic tube ideal for moderate‑temperature heat exchangers and boilers where austenitic grades fail due to chloride cracking. Its key limitation is embrittlement at 475°C and poor low‑temperature toughness. For welded tube, post‑weld annealing is mandatory to achieve acceptable ductility.
Advantages of Grade 405 ferritic stainless steel
Excellent chloride stress corrosion cracking (SCC) resistance
Lower cost
Lower thermal expansion
Higher thermal conductivity
Magnetic
Good oxidation resistance
Resists polythionic acid SCC
No sensitization
Good weldability (with PWHT)
Good resistance to hydrogen attack
Lower allowable stress at moderate temperatures
Chemical Composition % of STM A268 TP405 Ferritic Stainless Steel Seamless Tube
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
|
TP405 |
0.08 max | 1.00 max | 1.00 max | 0.045 max | 0.030 max | 11.0-13.0 | 0.50 max | 0.60 max | 0.25 max | 0.10 max |
Mechanical Properties of ASTM A268 TP405 Ferritic Stainless Steel Seamless Tube
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| TP405 |
480 - 620 MPa (70 - 90 ksi) |
205 MPa (30 ksi) |
20-25%(acc. thickness) |
160-190 HB |
When to Specify TP405 vs. Austenitic (TP304/316)
| Condition | Recommendation |
|---|---|
| Chloride SCC risk (e.g., seawater, brine, caustic) | TP405 (or other ferritic) |
| High temperature > 600°C (1112°F) | Austenitic (e.g., TP304H) |
| Cryogenic or sub‑zero service | Austenitic (TP304) – ferritic becomes brittle |
| High pressure steam (> 500 psi, > 400°C) | Austenitic (creep strength) |
| Cost‑sensitive, moderate corrosion, no SCC risk | TP405 |
| Welding without PWHT possible | Austenitic (ferritic requires PWHT) |
Application
Heat exchanger bundles in hydrotreaters, catalytic reformers, and amine service (where chloride SCC is a concern).
Boiler feedwater heaters (low temperature end).
Condensers using brackish or chlorinated cooling water.
Refinery overhead condensers (wet H₂S / chloride environment).
Automotive exhaust heat exchangers (EGR coolers).
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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