Shanghai Bozhong Metal Group Co., Ltd.
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Designation by Standards
| Brand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
| 15MO3 | 760 | 1.5415 | 15Mo3 | 16Mo3 | A182 Grade F1 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.16 | max. 0.40 | 0.60 | - | 0.30 | - | - | - | max. Cu = 0.30 |
Description
Alloy special structural steels: steel with Mo, Nb, Ti, V or W.
Applications
Welded steel tubes for pressure purposes. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85
Soft Annealing
Heat to 660-700oC, cool slowly in furnace.
Hardening
Harden from a temperature of 910-940oC followed by oil quenching.
Tempering
Tempering temperature: 660-710oC.
Mechanical Properties in Hardened and Tempered Condition
| Diameter in mm | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Impact strength (J) |
| up to 60 | 295 | 440-570 | 23 | 50 |
| 61-90 | 285 | 440-570 | 23 | 50 |
| 91-150 | 275 | 440-570 | 23 | 50 |
0.2 % Proof Stress (N/mm2) vs. Temperature
| 100oC | 150oC | 200oC | 250oC | 300oC | 350oC | 400oC | 450oC | 500oC |
| 264 | 245 | 225 | 205 | 180 | 170 | 160 | 155 | 150 |
| 250 | 230 | 210 | 195 | 170 | 160 | 150 | 145 | 140 |
| 240 | 220 | 200 | 185 | 160 | 155 | 145 | 140 | 135 |
1 % Creep Limit (N/mm2) vs. Temperature (oC)
| Hours | 450oC | 460oC | 480oC | 500oC | 520oC | 540oC | 560oC |
| 10 000 | 298 | 273 | 222 | 171 | 125 | - | - |
| 100 000 | 245 | 209 | 143 | 93 | 59 | - | - |
| 200 000 | 228 | 189 | 121 | 75 | 45 | - | - |
Creep Rapture Strength (N/mm2) vs. Temperature (oC)
| Hours | 450oC | 460oC | 480oC | 500oC | 520oC | 540oC | 560oC |
| 10 000 | 370 | 348 | 304 | 239 | 179 | 129 | 91 |
| 100 000 | 285 | 251 | 190 | 137 | 94 | 61 | 40 |
| 200 000 | 260 | 226 | 167 | 115 | 76 | 50 | 32 |
Forging
Hot forming temperature: 1100-850oC.
Machinability
No data.
Forms manufactured: Please see the Dimensional Sales Program.
Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.