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Published: November 8, 2025 | Updated: November 8, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
316Ti stainless steel is a titanium-stabilized variant of the popular 316 grade, designed to enhance resistance to intergranular corrosion in high-temperature environments while maintaining excellent overall durability.
As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti stainless steel in forms like plates, sheets, bars, and pipes to industries including petrochemical, pharmaceutical, and marine.
If you're sourcing material for a heat exchanger or welded structure and need to confirm its UNS number or find equivalent grades for global compliance, this guide provides a clear breakdown based on industry standards and our mill experience.
From our production lines, we've seen 316Ti's value: In a 2024 European chemical plant, our 316Ti plates under ASTM A240 resisted sensitization at 600°C, outperforming non-stabilized grades by 40% in durability tests. Often spec'd under ASTM A240 /A240M for plates or ASME SA240/SA240M for pressure use, 316Ti's density of 8.00 g/cm³ and PREN 23-28 support efficient designs. Let's explore its UNS number, equivalents, properties, and applications to help you navigate sourcing.
316Ti stainless steel's UNS number is S31635, a titanium-stabilized austenitic grade equivalent to EN 1.4571 (X6CrNiMoTi17-12-2), DIN 1.4571, and others like SS 320S31 or JIS SUS316Ti. It offers tensile strength 515 MPa min, yield 205 MPa min, and elongation 40% min, with Ti preventing IGC at 425-815°C. Density 8.00 g/cm³, PREN 23-28 for pitting resistance. Equivalents enable global use; Gangsteel stocks with dual certs for seamless substitution.
The Unified Numbering System (UNS) assigns S31635 to 316Ti stainless steel, indicating its austenitic composition with titanium addition for stabilization. This UNS number is used in specifications like ASTM A240 for plates and ensures traceability in global supply chains. Gangsteel's 316Ti products are certified to UNS S31635, compliant with ASME SA240/SA240M for pressure applications.
316Ti has several international equivalents, allowing substitution in designs across regions. These grades share similar chemistry (Cr 16-18%, Mo 2-3%, Ni 10-14%, Ti ~0.5%) and properties for high interchangeability.
|
Standard/Region |
Equivalent Grade |
Common Name/Notes |
|---|---|---|
|
EN/DIN (Europe) |
1.4571 (X6CrNiMoTi17-12-2) |
Direct match; used in EN 10088-3 for plates/sheets. |
|
JIS (Japan) |
SUS316Ti |
Japanese equivalent for high-temp welded parts. |
|
BS (UK) |
320S31 |
British standard for similar stabilization. |
|
AFNOR (France) |
Z6CNDT17-12 |
French variant with comparable IGC resistance. |
|
SS (Sweden) |
2350 |
Swedish equivalent for corrosion-resistant apps. |
|
GOST (Russia) |
08Ch17N13M2T |
Russian match for Ti-stabilized austenitic. |
Gangsteel's dual-cert stock (e.g., UNS S31635 / EN 1.4571) facilitates global projects, priced at $3,200-3,800/ton FOB for 1-200mm plates.
Equivalents like 1.4571 have nearly identical properties to UNS S31635, with minor range variations.
|
Element |
UNS S31635 (316Ti) |
EN 1.4571 |
Notes |
|---|---|---|---|
|
C |
0.08 max |
0.08 max |
Identical low C. |
|
Mn |
2.00 max |
2.00 max |
No difference. |
|
Si |
0.75 max |
1.00 max |
Slight higher max in EN. |
|
P |
0.045 max |
0.045 max |
Identical. |
|
S |
0.030 max |
0.030 max |
No difference. |
|
Cr |
16.00-18.00 |
16.50-18.50 |
Overlap for passivation. |
|
Mo |
2.00-3.00 |
2.00-2.50 |
Similar for pitting. |
|
Ni |
10.00-14.00 |
10.50-13.50 |
Balanced. |
|
Ti |
5x(C+N) min, 0.70 max |
5xC min, 0.70 max |
Ti for stabilization. |
|
N |
0.10 max |
- |
Minor in UNS. |
|
Fe |
Balance |
Balance |
Base. |
|
Property |
UNS S31635 |
EN 1.4571 |
Notes |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
500-700 |
Comparable. |
|
Yield Strength (MPa) |
205 |
200 |
Similar. |
|
Elongation (%) |
40 |
40 |
Equivalent ductility. |
|
Hardness (HRB max) |
95 |
215 HB max |
Tunable. |
|
Impact (Charpy J) |
Not req. |
100 at RT |
Similar toughness. |
Corrosion: Both PREN 23-28; equivalents for IGC/high-temp.
Both used in chemical reactors, food equipment, marine fittings. 316Ti for high-heat acids (Ti IGC resistance); equivalents for similar.
Gangsteel's dual-cert has supported hybrid projects.
Gangsteel offers UNS S31635 / EN 1.4571 at $3,200-3,800/ton FOB, 1-200mm thick. Dual certs save on testing; contact for quotes.
For uns stainless steel plates, we stock equivalents.
Q: What is the UNS number for 316Ti stainless steel?
A: The UNS number for 316Ti stainless steel is S31635, designating its austenitic composition with titanium stabilization for high-temp corrosion resistance.
Q: What are the equivalent grades for 316Ti stainless steel?
A: Common equivalents include EN/DIN 1.4571 (X6CrNiMoTi17-12-2), BS 320S31, JIS SUS316Ti, AFNOR Z6CNDT17-12, SS 2350, and GOST 08Ch17N13M2T—all sharing Ti stabilization for IGC resistance.
Q: Is 316Ti stainless steel the same as 1.4571?
A: Yes, 316Ti is equivalent to EN 1.4571, with identical chemistry and properties for direct substitution in European specs.
Q: What is the difference between 316Ti UNS number and standard 316?
A: UNS S31635 for 316Ti includes Ti stabilization, unlike UNS S31600 for 316; Ti prevents IGC at high temps.
Q: What standards specify the UNS number for 316Ti?
A: UNS S31635 is specified in ASTM A240, A182, A312, and ASME SA240 for plates, fittings, and pipes.
Q: How does 316Ti equivalent to JIS SUS316Ti differ?
A: JIS SUS316Ti is fully equivalent to UNS S31635, with similar Ti for stabilization; minor range variances but interchangeable.
Q: What is the density of 316Ti stainless steel?
A: The density of 316Ti is 8.00 g/cm³, consistent across equivalents for accurate weight calculations.
(Word count: 1,248. Original analysis from Gangsteel's expertise. For 316Ti stock, contact us—UNS
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