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Published: November 10, 2025 | Updated: November 10, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the demanding arena of stainless steels compliant with ASTM A240/A240M, ASME SA240/SA240M, EN 10088-2/EN 10095 (1.4571), GB/T 24511 (06Cr17Ni12Mo2Ti), and JIS G4303 (SUS316Ti), 316Ti emerges as a titanium-stabilized austenitic grade whose compact flange options are optimized for high-temperature and corrosive environments requiring secure, durable connections.
As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti stainless steel, meeting ASTM A240/A240M specs for plates and sheets used in flange production, to industries like offshore, petrochemical, and marine.
If you're sourcing 316Ti compact flange options under ASME SA240/SA240M for components like valve assemblies or structural joints where size, weight, and durability are critical, understanding available designs and properties is essential. This article explores 316Ti compact flange options, specs, and insights, based on ASTM A240/A240M, ASME SA240/SA240M, EN 10088-2/EN 10095 (1.4571), GB/T 24511 (06Cr17Ni12Mo2Ti), and JIS G4303 (SUS316Ti) standards and our mill data.
From our production lines, we've seen 316Ti compact flange options in action: In a 2024 Norwegian offshore platform, our 316Ti bolts under ASTM A240 /A240M and ASME SA240/SA240M standards, equivalent to EN 10088-2/EN 10095 (1.4571), GB/T 24511 (06Cr17Ni12Mo2Ti), and JIS G4303 (SUS316Ti), withstood 500°C H2S exposure without loosening, enhancing safety and longevity as per client torque tests. Compliant with ASME SA240/SA240M for pressure apps, 316Ti's density of 8.00 g/cm³ supports compact efficiency. Let's delve into the options, from composition to stock, to guide your selection.
316Ti stainless steel compact flange options, compliant with ASTM A240/A240M, ASME SA240/SA240M, EN 10088-2/EN 10095 (1.4571), GB/T 24511 (06Cr17Ni12Mo2Ti), and JIS G4303 (SUS316Ti), include NORSOK L-005, SPO, and Grayloc types in sizes NPS 1/2-24, Class 150-2500, with tensile 515 MPa min and yield 205 MPa min for high-strength connections.
Titanium stabilization ensures IGC resistance at 425-815°C, with density 8.00 g/cm³, PREN 23-28. Stock includes M6-M100 bolts, hex heads, studs; priced $5,000-7,500/ton FOB 2025. Equivalent to EN 1.4571; superior to 316L in heat. Ideal for offshore modules; Gangsteel stocks with certs for custom needs.
The chemical composition of 316Ti, as per ASTM A240/A240M, ASME SA240/SA240M, EN 10088-2/EN 10095 (1.4571), GB/T 24511 (06Cr17Ni12Mo2Ti), and JIS G4303 (SUS316Ti), is tailored for bolt and fastener stock properties, with titanium ensuring stability in corrosives.
|
Element |
% Range or Max |
Role in Bolt & Fastener Stock |
|---|---|---|
|
Carbon (C) |
0.08 max |
Low for weldable compact joints. |
|
Manganese (Mn) |
2.00 max |
Aids formability in hex heads. |
|
Silicon (Si) |
0.75 max |
Improves oxidation for flange faces. |
|
Phosphorus (P) |
0.045 max |
Limited for flange toughness. |
|
Sulfur (S) |
0.030 max |
Controlled for flange machinability. |
|
Chromium (Cr) |
16.00-18.00 |
Enhances corrosion for marine flanges. |
|
Molybdenum (Mo) |
2.00-3.00 |
Boosts pitting in offshore options. |
|
Nickel (Ni) |
10.00-14.00 |
Stabilizes for stud ductility. |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
Stabilizes for high-temp flange apps. |
|
Nitrogen (N) |
0.10 max |
Strengthens for high-pressure flanges. |
|
Iron (Fe) |
Balance |
Base for robust flange stock. |
This composition under ASTM A240/A240M ensures fastener stock meets mechanical specs.
Gangsteel's 316Ti meets ASME SA240/SA240M for certified use.
For uns stainless steel plates, fastener blank stock available.
316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, support compact flange options with robust performance.
|
Property |
Minimum Value |
Typical Range |
Notes for Compact Flange Options |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
550-700 |
High for Class 2500 flanges. |
|
Yield Strength (MPa) |
205 |
220-300 |
Good for NPS 24 pressure. |
|
Elongation (%) |
40 |
45-55 |
Ductility for flange forming. |
|
Hardness (HRB max) |
95 |
80-90 |
Low for flange machining. |
|
Impact (Charpy J) |
Not req. |
100+ at RT |
Tough for impact flanges. |
SA240 specs ensure flange strength; Gangsteel's exceed for high-pressure.
For SA240 Type 316Ti, flange options robust.
Physical properties of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, aid compact flange designs.
|
Property |
Value |
Notes for Compact Flange Options |
|---|---|---|
|
Density (g/cm³) |
8.00 |
Efficient for compact weight. |
|
Melting Range (°C) |
1370-1400 |
High for thermal flange apps. |
|
Thermal Conductivity (W/m·K) |
14.6 (at 100°C) |
Good for heat-dissipating flanges. |
|
Specific Heat (J/kg·K) |
500 |
Efficient for flange cycling. |
|
Thermal Expansion (10^-6 /°C) |
16.5 (20-100°C) |
Low distortion in compact joints. |
|
Modulus (GPa) |
193 |
Stiffness for secure flanges. |
|
Electrical Resistivity (μΩ·cm) |
74 |
Moderate for non-conductive flanges. |
These ensure compact flange efficiency.
316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, is ideal for compact flange apps in corrosives.
316Ti is highly weldable per ASTM A240/A240M, with Ti preventing sensitization in compact flange joints. Fillers ER316L.
Gangsteel's 316Ti SA240 Type 316Ti excels in compact fab.
316Ti compact flange options suit offshore platforms (space-saving), chemical modules (corrosion).
In Gangsteel's supply to U.S. offshore, 316Ti compact flanges endured without failure.
Equivalents: EN 1.4571 (similar flange options). For A240 GR 316Ti, options match.
Gangsteel stocks 316Ti compact flanges (NPS 1/2-24, Class 150-2500) at $5,000-7,500/ton FOB 2025. Custom, certs. Contact for options.
Q: What are the compact flange options for 316Ti stainless steel?
A: 316Ti compact flange options include NORSOK L-005, SPO, and Grayloc types in NPS 1/2-24, Class 150-2500, with custom faces like RTJ or O-ring, compliant with ASTM A240/A240M for material.
Q: What is the chemical composition of 316Ti for compact flanges?
A: For compact flanges, C 0.08% max, Cr 16-18%, Mo 2-3%, Ni 10-14%, Ti 0.70% max, Mn 2% max, Si 0.75% max, P 0.045% max, S 0.03% max, N 0.10% max, Fe balance, ensuring high-strength corrosion resistance.
Q: What mechanical properties apply to 316Ti compact flanges?
A: Minimum tensile 515 MPa, yield 205 MPa, elongation 40%, hardness 95 HRB max for 316Ti compact flanges, providing robust performance in torque and load.
Q: What sizes are available in 316Ti compact flange stock?
A: 316Ti compact flange stock available in NPS 1/2-24 (DN 15-600), bore to match pipe, with hub lengths per NORSOK L-005 for space-saving.
Q: What is the density of 316Ti for compact flange stock?
A: Density is 8.00 g/cm³ for 316Ti compact flange stock, yielding ~50-200 kg per flange depending on size for weight calcs.
Q: What is the hardness of 316Ti compact flange stock?
A: Maximum hardness 95 HRB or 217 HB for 316Ti compact flange stock in annealed condition, soft for machining while maintaining strength.
Q: What is the yield strength of 316Ti for compact flanges?
A: Minimum yield strength 205 MPa for 316Ti compact flanges, with typical 220-300 MPa, providing excellent deformation resistance for high-pressure connections.
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