Seamless Precision Steel Tubes
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- The name :
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
- Product Description
- Applications: for mechinery, mechanical engineer
Size range: O.D.:6-168mm W.T.:1-15mm L:max12000mm - Model : ASTM A519
Instruction
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
Applications: for mechinery, mechanical engineer
Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm
Special Smoothness Inside Surface,SSIS
this tubing is intended for use where the inside surface is of prime importance.
Usually we leave maching allowance for both OD and ID tolerance for further maching purpose.
Method of Tube Forming:
1. Hot-Finished Mechanical Tubing
2. Cold-Worked Mechanical Tubing
3. Rough -Turned Mechanical Tubing
4. Ground Mechanical Tubing
Thermal Treatment:
1) A-Annealed
2) N-Normalized
3) QT-Quenched and Tempered
4) SR-Stress relieved or Finish Anneal
| Steel Grade and Chemical Compositions: | |||||||
| Steel | C | Mn | P | S | Si | Cr | Mo |
| Grade | max | max | max | max | min | ||
| 1008 | 0.10 | 0.30-0.50 | 0.040 | 0.050 | |||
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | |||
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | |||
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | |||
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | |||
| 1035 | 0.32-0.38 | 0.60-0.90 | 0.040 | 0.050 | |||
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.040 | 0.050 | |||
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| Grade | condition | Ultimat | Yield | Elongation | Rockwell |
| Strength | Strength | Hardness | |||
| ksi Mpa | ksi Mpa | % | B Scale | ||
| 1020 | HR | 50 345 | 32 221 | 25 | 55 |
| CW | 70 483 | 60 414 | 5 | 75 | |
| SR | 65 448 | 50 345 | 10 | 72 | |
| A | 48 331 | 28 193 | 30 | 50 | |
| N | 55 379 | 34 234 | 22 | 60 | |
| 1035 | HR | 65 448 | 40 276 | 20 | 72 |
| CW | 85 586 | 75 517 | 5 | 88 | |
| SR | 75 517 | 65 448 | 8 | 80 | |
| A | 60 414 | 33 228 | 25 | 67 | |
| N | 65 448 | 40 276 | 20 | 72 | |
| 1045 | HR | 75 517 | 45 310 | 15 | 80 |
| CW | 90 621 | 80 552 | 5 | 90 | |
| SR | 80 552 | 70 483 | 8 | 85 | |
| A | 65 448 | 35 241 | 20 | 72 | |
| N | 75 517 | 48 331 | 15 | 80 | |
| 4130 | HR | 90 621 | 70 483 | 20 | 89 |
| SR | 105 724 | 85 586 | 10 | 95 | |
| A | 75 517 | 55 379 | 30 | 81 | |
| N | 90 621 | 60 414 | 20 | 89 | |
| 4140 | HR | 120 855 | 90 310 | 15 | 100 |
| SR | 120 855 | 100 689 | 10 | 100 | |
| A | 80 552 | 60 414 | 25 | 85 | |
| N | 120 855 | 90 621 | 20 | 100 |
HR-Hot Rolled
CW-Cold Worked
SR-Stress Relieved
A-Annealed
N-Normalized
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