Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | Accdording to customer's request |
| Delivery Time | 35-40 days |
| Packaging Details | Wooden Box package |
| Product Name | Seamless and Welded Titanium Tube |
| Specification | ASTM B111/ ASME SB111 |
| Material | Gr1 Gr2 Gr5 Gr7 Gr9 |
| Type | Seamless/ Welded |
| O.D. | 6.35mm - 114.3mm (1/4" - 4 1/2") |
| W.T. | 0.38mm - 6.55mm (0.015" - 0.258") |
| Length | Customized |
| Application | Heat Exchanger/ Condenser/ Oil & Gas |
| Brand Name | YUHONG |
| Model Number | ASTM B338 Gr.7 (UNS R52400) |
| 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 | Supply Ability | Accdording to customer's request |
| Delivery Time | 35-40 days | Packaging Details | Wooden Box package |
| Product Name | Seamless and Welded Titanium Tube | Specification | ASTM B111/ ASME SB111 |
| Material | Gr1 Gr2 Gr5 Gr7 Gr9 | Type | Seamless/ Welded |
| O.D. | 6.35mm - 114.3mm (1/4" - 4 1/2") | W.T. | 0.38mm - 6.55mm (0.015" - 0.258") |
| Length | Customized | Application | Heat Exchanger/ Condenser/ Oil & Gas |
| Brand Name | YUHONG | Model Number | ASTM B338 Gr.7 (UNS R52400) |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASTM B338 titanium tube ，heat exchanger condenser tube ，Gr.7 titanium seamless pipe | ||
ASTM B338 Gr.7 (UNS R52400) Seamless and Welded Titanium Tube For Heat Exchanger and Condenser
ASTM B338 Gr.7 (UNS R52400) seamless and welded titanium tubes are palladium-enhanced alpha titanium alloy tubes specifically designed for heat exchangers and condensers in highly corrosive environments. These tubes combine the inherent corrosion resistance of commercially pure titanium (Grade 2) with 0.12-0.25% palladium addition, significantly improving resistance to reducing acids (e.g., hydrochloric/sulfuric acid) and localized corrosion. Available in both seamless (cold-worked) and welded forms, they exhibit minimum yield strength of 275 MPa (40 ksi) and exceptional thermal conductivity, making them ideal for shell-and-tube heat exchangers, seawater cooling systems, and chemical processing equipment where stainless steels or copper alloys fail prematurely.
1.Chemical & Mechanical Properties
| ASTM B335 Gr.7 Chemical Composition (%) | ||||||
| C | Fe | Ti | H | Pd | O | N |
| 76.0-79.0% | ≤0.3% | BAL | ≤0.015% | 0.12-0.25% | ≤0.25% | ≤0.03% |
Mechanical Properties
| Property | Standard Value (Annealed) |
| Tensile Strength | ≥ 345 MPa (50 ksi) |
| Yield Strength | ≥ 275 MPa (40 ksi) |
| Elongation | ≥ 20% (in 4D for seamless tubes) ≥ 15% (in 4D for welded tubes) |
| Hardness (Brinell) | ≤ 200 HV (Vickers) ≤ 90 HRB (Rockwell B) |
| Bend Test | No cracks after bending around a mandrel |
| Hydrostatic Test | (No leakage) under specified pressure |
2. Key Adventages
3. Key Applications
Refinery hydrogenation units
LNG heat exchangers
Pipeline heating systems
Chlor-alkali equipment
Pickling line heat exchangers
PTA production units
Nuclear plant condensers
FGD systems in coal plants
Geothermal heat exchangers
Desalination plants
Offshore platform cooling systems
Naval vessel heat exchangers
Aircraft engine oil coolers
ECLSS (Environmental Control Systems)
Flue gas scrubbers
Wastewater evaporators
Hazardous waste pyrolysis units
| Category | Gr.7 (Ti-0.2Pd) | Gr.1 | Gr.2 | Gr.5 (Ti-6Al-4V) | Gr.9 (Ti-3Al-2.5V) |
|---|---|---|---|---|---|
| UNS Number | R52400 | R50250 | R50400 | R56400 | R56320 |
| Main Composition | Ti-0.2Pd Alloy | Pure Ti (Low O) | Pure Ti (Standard) | Ti-6Al-4V Alloy | Ti-3Al-2.5V Alloy |
| Tensile Strength (MPa) | 345-483 | 240-310 | 345-483 | 895-1034 | 483-620 |
| Yield Strength (MPa) | 275-380 | 170-240 | 275-380 | 828-897 | 345-550 |
| Elongation (%) | ≥20 | ≥24 | ≥20 | ≥10 | ≥15 |
| Corrosion Resistance | Best for HCl/H₂SO₄ | Good for seawater/weak acids | General corrosion resistance | Resists chlorides (weak welds) | Good seawater resistance |
| Typical Applications | Strong acids, nuclear plants | Chemical linings | Desalination, heat exchangers | Aerospace, pressure vessels | Ship piping |
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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