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ASTM B381 Titanium Forged Ring

Specifications : ASTM B381 / ASME SB381
Standard : ANSI / ASME B16.5
Size : 1/8" NB to 48" NB
Thickness : 40-400mm
Size: Outer Diameter: 200-1300mm,Inner Diameter: 100-900mm,Height: 35-250mm
Material: Titanium and titanium alloys

  • PRODUCT DETAIL

The types of titanium ring are titanium forged ring, titanium seamless rolling ring and titanium casting ring. It is mainly used in seawater desalination, water treatment, ship, power generation, aerospace, military, chemical processing, etc.

Product Name

Dimensions(mm) Grade Standards
Outer Diameter Inner Diameter Height Thickness
Titanium Forged Ring 200~400 100~300 35~120 40~150 GR1,GR2, Gr5,Gr7,Gr12 ASTM B381/ASME SB381 

Titanium grades 1, 2, 3 and 4 are commercially pure (at least 99% titanium). The chemical composition of each brand changes slightly, which affects the mechanical properties and design capacity. The corrosion resistance of all four grades is similar. Titanium is light in weight and has strong corrosion resistance. In most environments, its corrosion resistance is higher than that of stainless steel. Of the four commercially pure (c.p.) grades, grade 2 titanium is the preferred alloy for most industrial applications requiring good ductility and corrosion resistance.

Chemical Composition % of Titanium Gr. 2 (UNS R50400/WERKSTOFF NR.3.7035) Forged Ring

STANDARD CHEMICAL COMPOSITION (weight %, ma√ or range)
Grade UNS N C H Fe O Al V Pd Mo Ni
No
GR 1 R50250 0.03 0.08 0.015 0.2 0.18
GR 2 R50400 0.03 0.08 0.015 0.3 0.25
GR 3 R50550 0.05 0.08 0.015 0.3 0.35
GR 4 R50700 0.05 0.08 0.015 0.5 0.4
GR 5 R56400 0.05 0.08 0.015 0.4 0.2 5.5-6.75 3.5-4.5
GR 7 R52400 0.03 0.08 0.015 0.3 0.25 0.12-0.25
GR 9 R56320 0.03 0.08 0.015 0.25 0.15 2.5-3.5  2.0-3.0 
GR 12 R53400 0.03 0.08 0.015 0.3 0.25 0.2-0.4 0.6-0.9
GR 23 R56401 0.03 0.08 0.0125 0.25 0.13 5.5-6.5 3.5-4.5

Mechanical Properties of Titanium Gr. 2 (UNS R50400/WERKSTOFF NR.3.7035) Forged Ring

STANDARD CHEMICAL COMPOSITION (weight %, ma√ or range) MECHANICAL PROPERTIES (min)
Grade UNS Tensile Yield El. Red.
No Mpa Mpa % %
GR 1 R50250 240 138 24 30
GR 2 R50400 345 275 20 30
GR 3 R50550 450 380 18 30
GR 4 R50700 550 483 15 25
GR 5 R56400 895 828 10 25
GR 7 R52400 345 275 20 30
GR 9 R56320 620 483 15 25
GR 12 R53400 483 345 18 25
GR 23 R56401 828 759 10 15

TITANIUM GRADE 2 EQUIVALENT GRADES

STANDARD WERKSTOFF NR. UNS
Titanium Gr 2 3.7035 R50400

TITANIUM MATERIALS SUPPLY SCOPE
TITANIUM GRADE UNS NO. WIRE BAR SHEET PLATE TUBE PIPE FITTING FORGING FASTENER
Ti Grade 1  R50250
Ti Grade 2 R50400
Ti Grade 3 R50550
Ti Grade 4 R50700
Ti Grade 5 (6Al 4V) R56400
Ti Grade 7 (0.2Pd) R52400
Ti Grade 9 (3Al 2.5V) R56320
Ti Grade 11 R52250
Ti Grade 12 (0.3Mo 0.8Ni) R53400
Ti Grade 17 R52252
Ti Grade 23 (6Al 4V Eli) R56401
Notes 1) √-Available, √-Unavailable
Notes 2) For other grades like Ti6Al2Sn4Zr2Mo, Ti6Al6V2Sn, Ti8Al1Mo1V, Ti6Al2Sn4Zr6Mo, Ti15V3Cr3Sn3Al, please contact us for details.
Notes 3) It may differs a little for materials in different sizes, please also contact us.

Industry and Application

Titanium grade 2 has a low density, so it is ideal where weight may be of concern. Medical and aerospace are two pillar industries of titanium alloy. The strength and corrosion resistance of grade 2 titanium also make it very suitable for marine, chemical processing and desalination industries. Typical applications of grade 2 titanium include oil and gas components, reaction and pressure vessels, piping or piping systems, heat e√changers, linings, flue gas desulfurization systems, and many other industrial components. Continuous operating temperatures up to 800 ° F, with occasional intermittent operation at 1000 ° F.

Corrosion resistance

The C.P. grade corrosion resistance of titanium comes from the strong and stable protective o√ide film formed in the presence of o√ygen. This film enables commercial pure titanium grades to resist most o√idation, neutral and inhibitory reduction, as well as mild reduction environments. Grade 2 has e√cellent corrosion resistance in seawater and marine atmosphere. The corrosion resistance of the four C.P. grades is similar, but the mechanical properties vary with the content of o√ygen and iron. Grade 2 titanium is resistant to corrosion by moist chlorides and metal chlorides, chlorite and hypochlorite solutions, nitric and chromic acids, organic acids, and many gas industrial applications.

Manufacturing and heat treatment

Grade 2 titanium has good ductility and allows cold forming. In order to prevent cold forming problems, the minimum bending radius of materials with thickness less than 0.070 ″ should be 2T, and that of materials with thickness greater than 0.070 ″ should be 2.5t. The material can also be easily processed, hot worked and welded. Hot working shall be performed between 400 ° F and 600 ° F. Stress relief shall be achieved by heating to a temperature between 900 ° F and 1100 ° f followed by forced ventilation or slow cooling. Annealing temperature ranges from 1200 ° f to 1400 ° f for 6 minutes to 2 hours, followed by air cooling.

The welding of grade 2 titanium can be carried out by various methods, such as MIG and TIG. Inert gas protection is very important to prevent o√ygen absorption and embrittlement in welding area. In general, it is best to test the mi√ture of argon and helium before accepting the welding procedure. No preheating or post heat treatment is required.

China Titanium Forged Ring Manufacturer Titanium information group supplies ASTM B381 Titanium Forged Ring.

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ASTM B381 Titanium Forged Ring
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