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Eternal
AISI 316Ti (S31668 / 06Cr17Ni12Mo2Ti) forged stainless steel tube sheets, manufactured by Jiangyin Eternal Heavy Industry Co., Ltd., are specifically designed and manufactured for pressure-bearing equipment.
They fully comply with the NB/T 47010-2017 standard (Forged Stainless Steel and Heat-Resistant Steel Components for Pressure-Bearing Equipment)and ASTM A182M standard , and are suitable for tube sheets, flanges, and critical pressure-bearing components in industries such as chemical, petroleum, pharmaceutical, offshore engineering, and boilers.
Standard | Grade |
China（GB/T 20878） | S31668 / 06Cr17Ni12Mo2Ti |
America（ASTM/AISI） | F316Ti / AISI 316Ti / UNS S31635 |
Germany（DIN） | 1.4571 / X6CrNiMoTi17-12-2 |
Europe（EN） | X6CrNiMoTi17-12-2 |
Japan（JIS） | SUS 316Ti |
UK（BS） | 320S31 / 320S17 |
Element | C | Si | Mn | P | S | Cr | Ni | Mo | Ti |
（wt%） | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.015 | 16.00~18.00 | 10.00~14.00 | 2.00~3.00 | ≥5×C（usually ≤0.70） |
Item | AISI316Ti（S31668）required value | Value |  |
Tensile Strength Rm（MPa） | ≥520 | 530~550 | |
Specify Non-Proportional Elongation Strength Rₚ₀.₂（MPa） | ≥205 | 205~230 | |
Elongation at break A（%） | ≥35 | ≥40 | |
Hardness HBW | ≤187 | ≤187 |
We always focus on customers, pay attention to their needs, provide high-quality products and excellent services to meet their expectations.
Quality is assured through rigorous inspection at every stage of production
According to DIN EN 10228-3, Quality Class 3.
According to DIN 1690, Part 2, Acceptance Level 2.
According to ASTM E112 ≥5
According to ASTM A262 Practice E
Tube Sheets and Heat Exchangers: Tube sheets for heat exchangers in the chemical, pharmaceutical, and food industries
Forged Components for Pressure Vessels: Flanges and tube sheets for pressure vessels, reactors, and storage tanks
Offshore Engineering Equipment: Seawater pump housings, pipe flanges, and components for environments subject to mild seawater corrosion
Boiler Pressure-bearing Components: Suitable for boiler valves and specialized components
Advantages | Description |
Resistance to Intergranular Corrosion | Ti-stabilized; maintains excellent corrosion resistance even without solution treatment after welding |
Excellent Weldability | No need for re-solution treatment after welding; suitable for large-scale welded structural components |
High-Temperature Stability | Less prone to chromium carbide precipitation in the 400–900°C temperature range |
Resistance to pitting and crevice corrosion | A 2–3% Mo content provides excellent resistance to chloride ion corrosion |
Overall machinability | Good formability; suitable for hot forging and cold working |
