316Ti Stainless Steel vs 316H:Temperature Range Guide

316Ti Stainless Steel vs 316H: Temperature Range Guide

Published: November 8, 2025 | Updated: November 8, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence

When it comes to stainless steels designed for high-temperature service, 316Ti and 316H—both compliant with ASTM A240/A240M and ASME SA240/SA240M standards—offer robust options for industries facing thermal stress and corrosion.

As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti and 316H stainless steel in forms like plates, sheets, and bars to sectors such as petrochemical, power generation, and aerospace.

If you're selecting materials for a boiler tube or heat exchanger where temperature range is critical, understanding their differences in stability, strength retention, and corrosion at elevated temps is essential. This guide analyzes 316Ti (titanium-stabilized) and 316H (high-carbon for strength), focusing on temperature performance, based on ASTM A240/A240M and ASME SA240/SA240M standards and our mill data.

From our production insights, 316H provides higher creep strength at >500°C due to carbon, but 316Ti's titanium stabilization prevents carbide precipitation, making it more reliable in sensitizing ranges: In a 2024 U.S. power plant, our 316Ti under ASTM A240 /A240M resisted IGC at 600°C, while 316H excelled in creep but required careful welding. Both meet ASME SA240/SA240M for pressure apps, but choices depend on temp range. Let's dissect the analysis, from composition to high-temp durability, to guide your selection.

Summary

316Ti and 316H are austenitic stainless steels optimized for high temperatures under ASTM A240/A240M and ASME SA240/SA240M, but 316Ti's titanium stabilization provides superior resistance to intergranular corrosion (IGC) in the sensitizing range (425-815°C), while 316H's higher carbon (0.04-0.10%) offers better creep and tensile strength at >500°C for enhanced durability in sustained loads.

Both have tensile ~515 MPa and density ~8.00 g/cm³, but 316H has higher yield at heat. Corrosion is similar (PREN 23-28), but 316Ti edges in IGC-prone apps. 316H costs 5-10% more due to carbon control. Choose 316Ti for welded high-heat, 316H for creep-heavy. Gangsteel stocks both for custom needs.

Chemical Composition: Stabilization vs. Carbon Boost

Composition under ASTM A240/A240M and ASME SA240/SA240M defines high-temp performance: 316Ti uses Ti for carbide control, 316H higher C for strength.

316H's C boosts high-temp strength, but risks IGC; 316Ti's Ti mitigates this.

Mechanical Properties: 316H's High-Temp Strength Edge

Both have similar room-temp properties, but 316H retains better at high temps due to C.

316H's creep strength is higher, durable for long-term loads at 650°C+.

Physical Properties: Comparable with Heat Stability for Both

Both have similar physicals, but 316H's C improves high-temp performance.

Both stable in temp range -196 to 815°C.

Corrosion Resistance: Similar but with Temp Nuances

Both resist general corrosion (PREN 23-28), but 316Ti's Ti prevents IGC better at sensitizing temps.

• Pitting/Crevice: Identical; CPT ~25°C.
• IGC: 316Ti superior with Ti; 316H's higher C risks if not controlled.
• SCC: Both good; 316H slightly better in some acids due to C.
• Uniform: <0.1 mm/year in dilute acids; similar.
• High-Temp: 316Ti better for IGC; 316H for creep in oxidants.

316Ti more reliable for welded high-heat.

Weldability and Fabrication: 316Ti's Advantage

Both weld well; 316Ti's Ti eliminates annealing, while 316H's C requires care to avoid sensitization. Machinability ~60% for both.

Gangsteel's 316Ti SA240 Type 316Ti offers easier fab.

Applications: Overlapping but Temp-Specific

• Common: Chemical processing (both durable).
• 316Ti Specific: Welded high-heat (IGC resistance).
• 316H Specific: Creep-heavy like superheaters (C strength).

In Gangsteel's supply to U.S. power, 316H lasted longer in dry heat.

Equivalents: Alternatives for Both

316Ti equivalents: EN 1.4571. 316H equivalents: EN 1.4919. For A240 GR 316Ti, not interchangeable with 316H in creep apps.

Sourcing from Gangsteel: Stock and Pricing

Gangsteel stocks 316Ti and 316H at $3,200-3,800/ton FOB (similar). 1-200mm thick, ASME SA240 certs. Contact for comparisons.

FAQ: 316Ti vs 316H Stainless Steel Temperature Questions Answered

Q: What is the temperature range for 316Ti vs 316H stainless steel?

A: Both -196 to 815°C intermittent, but 316Ti 425-815°C for IGC resistance; 316H 500-900°C continuous for creep strength.

Q: Which has better high-temperature performance, 316Ti or 316H?

A: 316H for creep/rabrupt at >500°C due to C; 316Ti for IGC in sensitizing range with Ti.

Q: How do creep and rupture strengths compare for 316Ti and 316H at high temperatures?

A: 316H superior creep (100,000-hr rupture ~100 MPa at 600°C vs. 90 for 316Ti) due to C strengthening.

Q: What is the maximum service temperature for 316Ti vs 316H?

A: 316Ti 815°C intermittent (Ti stability); 316H 925°C for oxidation but lower for creep-limited apps.

Q: How does IGC resistance at high temperatures differ between 316Ti and 316H?

A: 316Ti better with Ti preventing carbide in 425-815°C; 316H's higher C risks sensitization unless controlled.

Q: Is 316Ti or 316H better for high-temperature oxidation resistance?

A: Similar, but 316H's C may form protective scales better in dry heat; 316Ti for moist/acid high-temp.

Q: Can I use 316H instead of 316Ti for high-temperature apps?

A: Yes for creep-focused; no for IGC-prone welded heat—use 316Ti. Dual-cert from Gangsteel eases.

For Others articles 316Ti Stainless steel