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| Name: | Niobium and hafnium alloy C103 rod /bar | |||
| Size: | Diameter 3.18~63.52mm | |||
| Standard: | ASTM R04296 | |||
| Production Process: | Extrusion, forging, rolling etc. | |||
| R04295 Niob-Hafnium alloy | ||||
| element | Content ,Max,Weight % (Unless otherwise specified) | |||
| C | 0.015 | |||
| O | 0.025 | |||
| N | 0.01 | |||
| H | 0.0015 | |||
| Hf | 9~11 | |||
| Ti | 0.7~1.3 | |||
| Zr | 0.7 | |||
| W | 0.5 | |||
| Ta | 0.5 | |||
| Nb(Take the difference) | ||||
| Mechanical performance requirement: | ||||
| R04295 Nb-Hafnium alloy (Specified by the demander) | ||||
| element | Content ,Max,Weight % | |||
| O | 0.035 | |||
| C | 0.015 | |||
| N | 0.01 | |||
| H | 0.0015 | |||
| annealed condition (At least 90% recrystallization): | ||||
| ultimate tensile strength,Min Ib/inch2(MPa) | Yield strength, (0.2% residual deformation) lb/in 2 (Mpa) | Elongation at 1 inch (25 mm) gauge length,% minimum | ||
| Material:Diameter≤0.050 inches (1.27mm) indoor temperature 2000±25℉(1093±14℃) | 56000(386) 21000(145) | 42000(276) 16000(110) | 20 | |
| 20 | ||||
| Material:Diameter ≥0.051(1.20mm) Indoor temperature 2000±25℉(1093±14℃) | 54000(372) 21000(145) | 38000(262) 16000(110) | 20 | |
| 20 | ||||
| Rolling, forging or drawing round cross-section bar and wire rod size allowable deviation: | ||||
| Diameter, inch (mm) | allowable deviation, + or - ，inch （mm） | |||
| ≥0.020～0.030(0.51～0.76) | 0.00075(0.019) | |||
| ≥0.030～0.060(0.76～1.52) | 0.001(0.025) | |||
| ≥0.060～0.090(1.52～2.29) | 0.0015(0.038) | |||
| ≥0.090～0.125(2.29～3.19) | 0.002(0.051) | |||
| ≥0.125～0.187(3.19～4.75) | 0.003(0.076) | |||
| ≥0.187～0.375(4.75～9.52) | 0.004(0.102) | |||
| ≥0.375～0.500(9.52～12.7) | 0.005(0.127) | |||
| ≥0.500～0.625(12.7～16.9) | 0.007(0.178) | |||
| ≥0.625～0.750(16.9～19.1) | 0.008(0.203) | |||
| ≥0.750～1.000(19.1～25.4) | 0.010(0.254) | |||
| ≥0.750～1.000(19.1～25.4) | 0.015(0.381) | |||
| ≥1.500～2.000(38.1～50.8) | 0.020(0.508) | |||
| ≥2.000～2.500(50.8～63.5) | 0.030(0.762) | |||
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