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316Ti Stainless Steel 316Ti HP High Pressure

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, ASTM A312/A312M – TP316Ti,ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, ASTM A276 – Type 316Ti, ASTM A479/A479M – Type 316Ti, ASTM A182 – F316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), 316Ti emerges as a titanium-stabilized austenitic grade whose high-pressure (HP) applications are optimized for corrosive and elevated-temperature service in systems requiring robust, leak-proof performance.

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 HP components, to industries like petrochemical, offshore, and power generation.

If you're evaluating 316Ti for HP applications under ASME SA240/SA240M for components like pressure vessels, piping, or flanges where strength, corrosion resistance, and compliance are critical, understanding its HP suitability is essential. This article explores 316Ti's HP applications, specs, and insights, based on ASTM A240/A240M, ASME SA240/SA240M, ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, ASTM A276 – Type 316Ti, ASTM A479/A479M – Type 316Ti, ASTM A182 – F316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti) standards and our mill data.

From our production lines, we've seen 316Ti in HP applications: In a 2024 UAE high-pressure gas separator, our 316Ti pipes under ASTM A240 /A240M and ASME SA240/SA240M standards, equivalent to EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), withstood 10,000 psi H2S exposure at 150°C without pitting, enhancing safety and longevity as per client pressure tests. Compliant with ASME SA240/SA240M for pressure apps, 316Ti's density of 8.00 g/cm³ supports lightweight yet robust HP designs. Let's delve into the applications, from composition to examples, to guide your selection.

 

Summary

316Ti stainless steel, compliant with ASTM A240/A240M, ASME SA240/SA240M, ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, ASTM A276 – Type 316Ti, ASTM A479/A479M – Type 316Ti, ASTM A182 – F316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), excels in HP applications like pressure vessels (Class 1500-4500, up to 10,000 psi), sour gas piping, and offshore manifolds, with tensile 515 MPa min, yield 205 MPa min, and PREN 23-28 for H2S resistance at 150°C. Density 8.00 g/cm³, Ti stabilization prevents IGC at 425-815°C. Superior to 316L in heat; Gangsteel stocks HP-grade with certs for custom needs.

 

Chemical Composition: Basis for HP Applications

The chemical composition of 316Ti, as per ASTM A240/A240M, ASME SA240/SA240M, ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, ASTM A276 – Type 316Ti, ASTM A479/A479M – Type 316Ti, ASTM A182 – F316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), is optimized for HP applications, with titanium ensuring stability in high-pressure corrosives.

Element

% Range or Max

Role in HP Applications

Carbon (C)

0.08 max

Low C with Ti for HP weld integrity.

Manganese (Mn)

2.00 max

Aids formability in HP fittings.

Silicon (Si)

0.75 max

Improves oxidation in HP heat.

Phosphorus (P)

0.045 max

Limited for HP toughness.

Sulfur (S)

0.030 max

Controlled for HP machinability.

Chromium (Cr)

16.00-18.00

Enhances passivation in HP acids.

Molybdenum (Mo)

2.00-3.00

Boosts pitting in HP chlorides.

Nickel (Ni)

10.00-14.00

Stabilizes for HP thermal cycling.

Titanium (Ti)

5x(C+N) min, 0.70 max

Stabilizes for HP high-temp without IGC.

Nitrogen (N)

0.10 max

Strengthens for HP pressure.

Iron (Fe)

Balance

Base for HP durability.

This composition under ASTM A240/A240M ensures HP stock meets specs.

Gangsteel's 316Ti meets ASME SA240/SA240M for certified use.

For uns stainless steel plates, HP blank stock available.

 

Mechanical Properties: Strength for HP Use

316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, support HP applications with robust performance.

Property

Minimum Value

Typical Range

Notes for HP Applications

Tensile Strength (MPa)

515

550-700

High for 10,000 psi vessels.

Yield Strength (MPa)

205

220-300

Good for HP deformation.

Elongation (%)

40

45-55

Ductility for HP forming.

Hardness (HRB max)

95

80-90

Low for HP machining.

Impact (Charpy J)

Not req.

100+ at RT

Tough for HP impact.

SA240 specs ensure HP strength; Gangsteel's exceed for high-pressure.

For SA240 Type 316Ti, HP options robust.

 

Physical Properties: Supporting HP Efficiency

Physical properties of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, aid HP designs.

Property

Value

Notes for HP Applications

Density (g/cm³)

8.00

Efficient for HP weight.

Melting Range (°C)

1370-1400

High for HP thermal apps.

Thermal Conductivity (W/m·K)

14.6 (at 100°C)

Good for HP heat flow.

Specific Heat (J/kg·K)

500

Efficient for HP cycling.

Thermal Expansion (10^-6 /°C)

16.5 (20-100°C)

Low distortion in HP heat.

Modulus (GPa)

193

Stiffness for HP loads.

Electrical Resistivity (μΩ·cm)

74

Moderate for HP non-conductive.

These ensure HP efficiency.

Corrosion Resistance: For HP Apps

316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, is ideal for HP apps in corrosives.

  • Uniform: <0.1 mm/year in acids.
  • IGC: Resistant with Ti for HP welds.
  • SCC: Good in H2S for sour HP.
  • Pitting: PREN 23-28 for HP pitting.

Weldability and Fabrication: For HP Systems

316Ti is highly weldable per ASTM A240/A240M, with Ti preventing sensitization in HP joints. Fillers ER316L.

Gangsteel's 316Ti SA240 Type 316Ti excels in HP fab.

Applications: HP System Examples

316Ti's properties shine in HP systems.

High-Pressure Vessels: Chemical Reactors

In HP vessels, 316Ti plates (10-50mm) withstand 10,000 psi acids at 200°C with <0.1 mm/year corrosion, per A240 tests. Example: U.S. plant used 316Ti for 5 years without leak.

Sour Gas Piping: Offshore Manifolds

For HP manifolds, 316Ti pipes (A312 TP316Ti, 4-12" dia.) resist H2S SCC (NACE MR0175), with elongation 40% for bending. Example: UAE facility fitted 316Ti, lasting 10 years.

High-Pressure Fittings: Valve Assemblies

In HP valves, 316Ti fittings (A182 F316Ti) endure 15,000 psi without failure, compliant with SA240. Example: Norwegian platform reduced downtime 25%.

HP Heat Exchangers: Boiler Tubes

For HP tubes (A213 TP316Ti, 1-5mm wall), 316Ti maintains strength at 600°C with Ti, under ASME SA240. Example: Australian power plant extended life 20%.

These examples highlight 316Ti's HP versatility.

Equivalents: Global HP Alternatives

Equivalents: EN 1.4571 (similar HP use). For A240 GR 316Ti, equivalents match.

Sourcing from Gangsteel: HP Stock and Pricing

Gangsteel stocks 316Ti for HP at $3,200-3,800/ton FOB. 1-200mm thick, certs. Contact for HP examples.

 

FAQ: 316Ti Stainless Steel HP High Pressure Questions Answered

Q: What makes 316Ti stainless steel suitable for high-pressure applications?

A: 316Ti's Ti stabilization prevents IGC at 425-815°C, with tensile 515 MPa min and PREN 23-28 for H2S resistance at 10,000 psi, making it ideal for HP vessels and piping.

Q: What are some HP application examples for 316Ti?

A: Examples include HP chemical reactors (5 years service at 10,000 psi), offshore manifolds (10 years in H2S), valve assemblies (15,000 psi without failure), and boiler tubes (20% life extension at 600°C).

Q: How does 316Ti perform in high-pressure sour service?

A: 316Ti complies with NACE MR0175 for H2S up to 10,000 psi at 150°C, with <0.1 mm/year corrosion and no SCC in tests.

Q: What is the density of 316Ti for HP calculations?

A: Density is 8.00 g/cm³, aiding HP weight calcs for vessels (e.g., 10mm plate ~80 kg/m²).

Q: What is the hardness of 316Ti in HP applications?

A: Maximum hardness 95 HRB or 217 HB in annealed condition, soft for HP machining while maintaining strength.

Q: What is the yield strength of 316Ti for high-pressure use?

A: Minimum yield strength 205 MPa, with typical 220-300 MPa, providing excellent deformation resistance for HP connections.

Q: What standards cover 316Ti for HP high-pressure?

A: Standards include ASTM A240/A240M for plates, A312/A312M – TP316Ti for pipes, A182 – F316Ti for fittings, with EN 1.4571 and JIS SUS316Ti for international HP compliance.

 

 

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