Baoji Lihua Nonferrous Metals Co., Ltd.
Baoji Lihua Nonferrous Metals Co., Ltd.
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ASTM B348 B381 Gr1 Gr2 Gr3 GR5 GR7 GR12 Titanium square rod 8mm 10mm 12mm
1. Grade:
National standard grades: TA1, TA2, TA3, TA7, TA9, TA10, TC4, TC4ELI, TC6, TC9, TC10, TC11
American label number: GR1, GR2, GR3, GR5, GR7, GR12
2.Process:
Hot forging-hot rolling-turning light (polishing)
3. Executive standard:
National standard: GB / 2965-2007, GB / T13810, Q / BS5331-91
American Standard: ASTM B348, ASTM F136, ASTM F67, AMS4928
Specifications: (Diameter * Length / mm): 8mm-250mm * L
Delivery status: hot processing status, annealing status
4.Reference Standard
1). GB 228 metal tensile test method
2). GB / T 3620.1 titanium and titanium alloy grades and chemical composition
3). GB / T3620.2 titanium and titanium alloy processed products chemical composition and composition tolerance
4). GB 4698 sponge titanium, titanium and titanium alloy chemical analysis method
5. skills requirement
1). The chemical composition of titanium and titanium alloy bars shall comply with the provisions of GB / T 3620.1, and when repeated inspection is required, the allowable deviation of the chemical composition shall comply with the provisions of GB / T 3620.2.
2). The diameter or side length of the hot-processed bar and its allowable deviation should meet the requirements of Table 1.
3). After hot processing, the rods are cold-rolled (ground) and cold-rolled. The allowable deviation of the diameter of the cold-drawn rods should comply with industry regulations.
4). The out-of-roundness of the bar after turning (grinding) after hot processing should be no more than half of its dimensional tolerance.
5). The length of the indeterminate length of the processed bar is 300-6000mm, and the length of the annealed bar is 300-2000mm. The length of the fixed length or double length should be within the range of the length of the indefinite length. ; The length of the double ruler should also be included in the cut amount of the bar, each cut amount is 5mm. The fixed ruler or double ruler length should be indicated in the contract.
6 use:
Aerospace, aviation, navigation, ships, seawater desalination, petroleum, chemical industry, mechanical equipment, nuclear power equipment, power equipment, automobile and motorcycle parts, sports and leisure, medical parts, steel and metallurgy, high-tech fields.
Medical titanium rod
Specification: Rolling ￠ 8.0 --- 40mm × L; Forging ￠ 40 --- 150mm × L
Metallographic structure: The grain size of pure titanium is not less than 5 grades, and the TC4 titanium alloy complies with A1-A9.
Surface: black leather surface, car polished surface, polished surface (H11, H9, H8)
Medical titanium rod performance (refer to executive standard: GB / T13810-2007, ASTM F67 / F136)
7. Chemical requirements
| N | C | H | Fe | O | Al | V | Pd | Mo | Ni | Ti | |
| Gr1 | 0.03 | 0.08 | 0.015 | 0.20 | 0.18 | / | / | / | / | / | bal |
| Gr2 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | / | / | bal |
| Gr5 | 0.05 | 0.08 | 0.015 | 0.40 | 0.20 | 5.5~6.75 | 3.5~4.5 | / | / | / | bal |
| Gr7 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | 0.12~0.25 | / | / | bal |
| Gr9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5~3.5 | 2.0~3.0 | / | / | / | bal |
| Gr12 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | 0.2~0.4 | 0.6~0.9 | bal |
8. Tensile requirements
| Grade | Tensile strength(min) | Yield strength(min) | Elongation(%) | ||
| ksi | M Pa | ksi | M Pa | ||
| 1 | 35 | 240 | 20 | 138 | 24 |
| 2 | 50 | 345 | 40 | 275 | 20 |
| 5 | 130 | 895 | 120 | 828 | 10 |
| 7 | 50 | 345 | 40 | 275 | 20 |
| 9 | 90 | 620 | 70 | 438 | 15 |
| 12 | 70 | 438 | 50 | 345 | 18 |
9.Tolerance
| Diameter(mm) | h7 | h8 | h9 | h10 | h11 | h12 | |
| Tolerance precision (um) | |||||||
| 3~6 | 12 | 18 | 30 | 48 | 75 | 120 | |
| 6~10 | 15 | 22 | 36 | 58 | 90 | 150 | |
| 10~18 | 18 | 27 | 43 | 70 | 110 | 180 | |
| "h"stands for a tolerance range(-x,+0),on the contrary,"H"stands for a tolerance(-0,+X) | |||||||
