TITANIUM LAP JOINT STUB END
Titanium Lap-joint Stub End,titanium stub end gr1,gr2,gr7,gr12
Product Introduction
Titanium lap joint stub ends are precision-engineered piping components designed for use with lap joint flanges. They provide a cost-effective and flexible connection solution for piping systems operating in highly corrosive environments.
The design allows the stub end to form the wetted surface of the pipeline while the backing flange remains reusable, significantly reducing maintenance and replacement costs in long-term industrial operation.
MATERIAL OPTIONS
Gr1 (Commercially Pure Titanium – Soft Ductility, High Corrosion Resistance)
Gr2 (Standard Industrial Titanium – Balanced Strength & Workability)
Gr7 (Pd-Enhanced Corrosion Resistance for Severe Media)
Gr12 (Mo-Ni Alloyed Titanium for High-Temperature Corrosion Resistance)
SPECIFICATIONS
Size Range: 1/2" – 48"
Wall Thickness: Schedule 5S – Schedule 80
Standard Compliance: ASTM B363 / MSS SP-43
Monthly Production Capacity: 10 MT
SURFACE FINISH OPTIONS
Quartz shot blasting
Sand blasting
Mechanical polishing
Each finish is selected based on corrosion environment, sealing requirements, and system compatibility.
CHEMICAL COMPOSITION (TYPICAL – EN 10204 3.1 CERTIFIED)
Element | Requirement (%) | Typical Result |
Ti | Balance | ST-01 |
N | ≤ 0.03 | 0.02 |
C | ≤ 0.10 | 0.02 |
H | ≤ 0.015 | 0.001 |
Fe | ≤ 0.30 | 0.044 |
O | ≤ 0.25 | 0.06 |
Residual Elements | ≤ 0.4 total | ≤ 0.4 |
MECHANICAL PROPERTIES
Requirement | Tensile Strength (MPa) | Yield Strength (0.2%) MPa | Elongation (%) |
Min Standard | 345 | 275–450 | ≥ 20 |
Test Result (ST-01) | 460 | 372 | 34 |
ENGINEERING ADVANTAGES
Excellent corrosion resistance in seawater, acid, and chloride environments
High strength-to-weight ratio compared to stainless steel
Long service life with minimal maintenance
Compatible with standard flange systems
Stable performance under thermal and pressure cycling
APPLICATIONS
Titanium lap joint stub ends are widely used in:
Chemical processing pipelines
Seawater desalination systems
Offshore and marine engineering
Heat exchanger piping systems
Pharmaceutical and high-purity process industries
DESIGN VALUE
This component is engineered for systems requiring:
Flexible flange connection architecture
Reduced corrosion exposure cost
High lifecycle efficiency in aggressive media
Easy installation and replacement capability
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