CP-3 GR 2

CP-3 GR 2

The most commonly used grade for chemical process vessels and sea water applications.

Excellent corrosion resistance to environments from highly oxidizing to mildly reducing, including chlorides. Used in continuous service up to 800°F, and intermittent service to 1000°F.

Anneal 1200-1450°F for 15 minutes to 2 hours, air cool. Stress relieving is done at 900-1100°F for 30 minutes. Titanium Grades 1, 2, 3, and 4 cannot be strengthened by heat treatment.

The crystal structure of Grade 2 is 100% alpha (hexagonal close packed) at room temperature. Blocking, 1600-1700°F finishing 1500-1600°F.

Chemistry

 CNOHFeOthers, totalTi
MIN -- -- -- -- -- -- --
MAX 0.08 0.05 0.2 0.015 0.1 0.30 balance

Specifications

AMS 4902AMS T-9046
ASME SB 265ASME SB 338ASME SB 348ASME SB 363
ASTM B 265ASTM B 338ASTM B 348ASTM B 363
MIL T-81556
NACE MR0175
UNS R50400
W. Nr./EN 3.7035

Inventory

CP-3 GR 2 Plate, CP-3 GR 2 Sheet, CP-3 GR 2 Welding Products

Common Trade Names

CP titanium Grade 2, Titanium Grade 2

Features

  • Excellent corrosion resistance to environments from highly oxidizing to mildly reducing, including chlorides
  • Titanium Grade 2 is slightly stronger than Titanium Grade 1

Applications

  • Chemical process tanks and equipment
  • Aerospace ducting
  • Mufflers and exhaust components
  • Medical and dental implants
  • Heat exchangers

Physical Properties

Density: 0.163 lb/inch3
Nominal Beta Transus: 1680°F
Approx Melting Point: 3020°F
Grain Size: ASTM 6 or finer

Temperature, °F 100 200 400 600 1000
Coefficient* of Thermal Expansion, in/in°F x 10-6 -- 4.8 5.01 5.11 5.4
Thermal Conditioning
Btu • ft/ft2 • hr°F
12.5 12.5 1.8 1.2 --
Modulus of Elasticity, psi x 106 15.5 -- -- -- --

Mechanical Properties

Specified Room Temperature, AMS 4902

Tensile Min, ksi 50
0.2% Yield Strength, ksi 40-60
Elongation, min in 2 inch, % 20

Typical Elevated Temperature Properties

Temperature, °F 200 400 600
Tensile Strength, ksi 57 41 32
0.2% Yield Strength, ksi 40 24 41
Elongation, % 32 15 39