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What is a titanium grade 2 round bar?
This bar uses grade 2 ti, a commercially pure material with over 99% Ti. A titanium Grade 2 round bar displays good corrosion resistance and strength but, more importantly, an excellent strength-to-weight ratio. A Grade 2 titanium rod works in biomedicine, aerospace, and automotives.
Table of Content
What are the properties and characteristics of a titanium gr2 forged bar?
The most talked-about property of these bars is dependable corrosion resistance. A ti gr2 forged bar develops a protective oxide layer to protect against rust in different forms, including stress cracking, pitting, and crevice corrosion. A Gr2 titanium rod has an average hardness of 80 HRB.
These bars are formable and more readily available than other grades, making ti gr2 forged bar affordable.
Titanium Grade 2 Round Bar Specification
DIN 3.7035 Rod Delivery Schedules
| Country Name | Madagascar | Nigeria | Kenya | Ghana | Angola |
|---|---|---|---|---|---|
| Delivery Time | 15-20 in all | ||||
Cp Ti grade 2 Bright Bar Tolerance Chart
| Round Bars | Grade | Titanium Grade 2 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spec. Dia (inch) | Over 3.5 - 4.5, incl. | Over 2 - 2.5, incl. | Up - 0.25, excl. | 0.25 - 0.3125, incl. | Over 0.625 - 0.875, incl. | Over 0.4375 - 0.625, incl. | Over 0.3125 - 0.4375, incl. | Over 2.5 - 3.5, incl. | Over 0.875 - 1, incl. | Over 1.125 - 1.25, incl. | Over 1 - 1.125, incl. | Over 1.25 - 1.375, incl. | Over 1.375 - 1.5, incl. | Over 1.5 - 2, incl. | |
| Dia -l (over(+)/under(-)) | + 1/16" | + 1/32" | +/- 0.005" | +/- 0.005" | +/- 0.008" | +/- 0.007" | +/- 0.006" | + 3/64" | +/- 0.009" | +/- 0.011" | +/- 0.010" | +/- 0.012" | +/- 0.014" | +/- 1/64" | |
How is a Grade 2 titanium round bar made?
The production process of a grade 2 ti alloy round bar operates in a temperature range of 815 to 900°C. After hot forging, a layer of titanium oxide (alpha case) remains. Pickling with nitric and hydrofluoric acids removes this layer. Finally, an ASTM B348 UNS R50400 rod gets annealed and cold-formed.
The production process of a Grade 2 ti alloy round bar operates in a temperature range of 815 to 900°C. After hot forging, a layer of ti oxide (alpha case) remains. Pickling with nitric and hydrofluoric acids removes this layer. Finally, an ASTM B348 UNS R50400 rod gets annealed and cold-formed.
Types of DIN 3.7035 Rounds
Ti gr2 forged bar
DIN 3.7035 bright bar
UNS R50400 rod
Ti gr2 bar
UNS R50400 Forged Bar Size Chart
| Size | 3mm | 4mm | 5mm | 6mm | 7mm | 8mm | 9mm | 10mm | 11mm | 12mm | 13mm | 14mm | 15mm | 16mm | 17mm | 18mm | 1/8" | 5/32" | 3/16" | 7/32" | 1/4" | 5/16" | 3/8" | 7/16" | 1/2" | 9/16" | 5/8" | 11/16" | 3/4" | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kgs / Mtr | 0.055 | 0.098 | 0.154 | 0.223 | 0.298 | 0.398 | 0.498 | 0.62 | 0.748 | 0.889 | 1.043 | 1.207 | 1.391 | 1.578 | 1.791 | 2.001 | 0.062 | 0.095 | 0.141 | 0.19 | 0.249 | 0.387 | 0.557 | 0.761 | 0.994 | 1.256 | 1.551 | 1.88 | 2.237 | |||
| Kgs / Foot | 0.017 | 0.03 | 0.047 | 0.068 | 0.091 | 0.12 | 0.152 | 0.189 | 0.228 | 0.271 | 0.318 | 0.368 | 0.424 | 0.481 | 0.543 | 0.61 | 0.019 | 0.029 | 0.043 | 0.058 | 0.076 | 0.118 | 0.17 | 0.232 | 0.303 | 0.383 | 0.473 | 0.573 | 0.682 | |||
| Size | 20mm | 24mm | 1" | 27mm | 30mm | 32mm | 1-3/8" | 36mm | 38mm | 40mm | 1-3/4" | 45mm | 48mm | 2" | 2-1/8" | 60mm | 22mm | 7/8" | 25mm | 26mm | 1-1/8" | 1-1/4" | 35mm | 1-1/2" | 1-5/8" | 1-7/8" | 50mm | 2-1/4" | 2-3/8" | 2-1/2" | 2-5/8" | 2-3/4" |
| Kgs / Mtr | 2.47 | 3.543 | 3.97 | 4.49 | 5.548 | 6.314 | 7.55 | 7.999 | 8.903 | 9.872 | 12.179 | 12.555 | 14.205 | 15.906 | 17.963 | 22.205 | 2.979 | 3.038 | 3.871 | 4.17 | 5.033 | 6.349 | 7.553 | 8.951 | 10.449 | 13.977 | 15.414 | 20.128 | 22.435 | 24.856 | 27.409 | 30.083 |
| Kgs / Foot | 0.753 | 1.08 | 1.21 | 1.368 | 1.691 | 1.894 | 2.303 | 2.438 | 2.792 | 3.009 | 3.712 | 3.807 | 4.33 | 4.848 | 5.475 | 6.768 | 0.908 | 0.926 | 1.18 | 1.271 | 1.534 | 1.924 | 2.39 | 2.715 | 3.2 | 4.26 | 4.698 | 6.135 | 6.838 | 7.576 | 8.354 | 9.169 |
| Size | 3" | 3-3/4" | 4-1/4" | 4-3/4" | 5-1/2" | 6-1/2" | 7" | 8" | 10" | 3-1/4" | 3-1/2" | 4" | 4-1/2" | 5" | 6" | 7-1/2" | ||||||||||||||||
| Kgs / Mtr | 35.762 | 55.78 | 72.249 | 90.249 | 121 | 167.63 | 196 | 254.55 | 397.14 | 41.996 | 48.772 | 63.34 | 80.34 | 99.94 | 143.9 | 225 | ||||||||||||||||
| Kgs / Foot | 10.9 | 17.001 | 21.908 | 27.366 | 36.69 | 51.093 | 59.432 | 77.586 | 121.048 | 12.8 | 14.85 | 19.306 | 24.4487 | 30.461 | 43.86 | 68.226 |
What is the test procedure for evaluating the corrosion resistance of a grade 2 titanium bright bar?
These products undergo tests to check their properties and chemical composition. The corrosion resistance of a grade 2 ti filler rod lets it operate in abrasive chemical equipment, heat exchangers, and condensers. Manufacturers check a CP Ti Grade 2 square bar for pitting resistance and inter-granular corrosion (IGC).
Testing for a ti gr2 bright bar includes radiography, PMI testing, flaring, and spectrometry.
Testing for a Grade 2 ti bar includes radiography, PMI testing, flaring, and spectrometry.
Cp Grade 2 Titanium Bar Dimensions
| Grades | Titanium Grade 2 Round Bar | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tolerance | h7 | h6 | h8 | h7/h8 | -0/+0,12 | h9 | ||||||||||
| Condition | centerless ground | ground | ground | centerless ground | ground | centerless ground | vacuum annealed, cleaned | |||||||||
| Weight (kg/m) | 0.03 | 4.0 | 0.043 | 0.022 | 0.032 | 0.111 | 0.089 | 0.057 | 0.032 | 0.128 | 0.09 | 0.119 | 0.128 | 0.125 | 0.125 | 0.004 |
| Dimension (Dia (mm)) | 3.0 | 2.0 | 3.5 | 2,5 | 3.0 | 5.6 | 5.0 | 4.0 | 3.0 | 6.0 | 5.0 | 5.8 | 6.0 | 6.0 | 6.0 | 1.0 |
What makes a CP Grade 2 Titanium Round Bar special compared to other titanium grades?
A significant plus of a DIN 3.7035 flat bar is its easy machinability due to the lower contents of alloying materials. Another unique trait is its handling of aqueous conditions. A Ti Grade 2 round bar can endure corrosive media, including chloride solutions below 70°C. Finally, a CP Grade 2 ti rod is more affordable than other grades.
Titanium Gr2 Square Bar Mechanical properties
| Grade | Density | Elongation | Tensilestrength | Melting point | Yieldstrength(0.2%Offset) |
|---|---|---|---|---|---|
| Titanium grade 2 | 4.5 g/cm3 | 20% | Psi-49900, MPa-344 | 1665°c(3030°F) | PSi-39900, MPa-275 |
UNS R50400 Annealed Bar Chemical Composition
| Grade | Al | N | C | V | O | Ti | H | Fe |
|---|---|---|---|---|---|---|---|---|
| Titanium grade 2 | - | 0.03 max | 0.10 max | - | 0.25 max | bal | 0.015 max | 0.30 max |
How does a Grade 2 Titanium Alloy Round Bar improve strength and durability compared to other materials?
These products handle chlorides, nitric acids, organic acids, and aqueous environments. A ti alloy Grade 2 bright bar can manage temperatures up to 800°F. They are more resilient, durable, and lightweight than stainless steel or duplex grades.
DIN 3.7035 Bright Bar Equivalent Grade
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Titanium grade 2 | R50400 | 3.7035 |