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Material for Steel flanges |
| Designation | Tensile strength | Yield point | Analysis % | Analysis % | Designation | ||||||||
| ASTM/ASME |
Ib/sq. in min. |
N/mm2 min |
Ib/sq.in min. |
N/mm2 min |
C |
Si |
Mn |
P max. |
S max. |
Cr |
Ni |
Mo |
ASTM/ASME |
| For high temperature - service | |||||||||||||
| A/SA 105 |
70000 |
483 |
36000 |
248 |
Max.0,35 |
Max.0,35 |
0,60-1,05 |
0,040 |
0,050 |
- |
- |
- |
A/SA 105 |
| A/SA 181 |
For general service | A/SA 181 |
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| Class 60 Class 70 |
60000 70000 |
414 483 |
30000 36000 |
207 248 |
Max.0,35 Max.0,35 |
Max.0,35 Max.0,35 |
Max.1,10 Max.1,10 |
0,050 0,050 |
0,050 0,050 |
- - |
- - |
- - |
Class 60 class 70 |
| A/SA 182 |
Ferritic steels for high-temperature-service | A/SA 182 |
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| Grade F1 Grade F2 Grade F5 Grade F 5a Grade F9 Grade F11 Grade F12 Grade F22 |
70000 70000 70000 90000 85000 70000 70000 75000 |
483 483 483 621 586 483 483 517 |
40000 40000 40000 65000 55000 40000 40000 45000 |
276 276 276 448 379 276 276 310 |
Max.
0,28 Max. 0,21 Max. 0,15 Max. 0,25 Max. 0,15 0.10-0.20 0.10-0.20 Max. 0,15 |
0,15-0,35 0,10-0,60 Max. 0,50 Max. 0,50 0,50-1,00 0,50-1,00 0,10-0,60 max.0,50 |
 0,60-0,90 0,30-0,80 0,30-0,60 max. 0,60 0,30-0,60 0,30-0,80 0,30-0,80 0,30-0,60 |
0,045 0,040 0,030 0,040 0,030 0,040 0,040 0,040 |
0,045 0,040 0,030 0,030 0,030 0,040 0,040 0,040 |
- 0,50-0,81 4,00-6,00 4,00-6,00 8,00-10,00 1,00-1,50 0,80-1,25 2,00-2,50 |
- - Max. 0,50 Max. 0,50 0,90-1,10 - - - |
0,44-0,65 0,44-0,65 0,44-0,65 0,44-0,65 0,90-1,10 0,44-0,65 0,44-0,65 0,87-1,13 |
Grade F1 Grade F2 Grade F5 Grade F 5a Grade F9 Grade F11 Grade F12 Grade F22 |
| A/SA 182 |
Austenitic steels for high-temperature-service | A/SA 182 |
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| Grade F304 Grade F304 H Grade F304 L Grade F 316 Grade F316 H Grade F316 L Grade F321 Grade F321 H Grade F347 Grade F347 H |
75000 75000 70000 75000 75000 70000 75000 75000 75000 75000 |
517 517 483 517 517 483 517 517 517 517 |
30000 30000 25000 30000 30000 25000 30000 30000 30000 30000 |
207 207 172 207 207 172 207 207 207 207 |
Max. 0,08 0,04-0,10 Max0,035 Max0,08 0,04-0,10 Max0,035 Max. 0,08 0,04-0,10 Max. 0,08 0,04-0,10 |
Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 Max. 1,00 |
Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 Max. 2,00 |
0,040 0,040 0,040 0,040 0,040 0,040 0,030 0,030 0,030 0,030 |
0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 0,030 |
18,0-20,0 18,0-20,0 18,0-20,0 16,0-18,0 16,0-18,0 16,0-18,0 min. 17,0 min. 17,0 17,0-20,0 17,0-20,0 |
8,0-11,0 8,0-11,0 8,0-13,0 10,00-14,00 10,00-14,00 10,00-15,00 9,0-12,0 9,0-12,0 9,0-13,0 9,0-13,0 |
- - - 2,00-3,00 2,00-3,00 2,00-3,00 -1) -2) -3) -4) |
Grade F304 Grade F304 H Grade F304 L Grade F 316 Grade F316 H Grade F316 L Grade F321 Grade F321 H Grade F347 Grade F347 H |
| A/SA 350 |
For low- temperature-service | A/SA 350 |
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| Grade LF 1 Grade LF 2 Grade LF 3 |
60000 70000 70000 |
414 483 483 |
30000 36000 37500 |
207 248 259 |
Max. 0,30 Max. 0,30 Max. 0,20 |
0,15-0,30 0,15-0,30 0,20-0,35 |
0,75-1,05 max. 1,35 max. 0,90 |
0,035 0,035 0,035 |
0,040 0,040 0,040 |
- - - |
- - 3,25-3,75 |
- - - |
Grade LF 1 Grade LF 2 Grade LF 3 |
| 1)
5x C% < 0,60%
2) 5xC% <Ti% < 0,60% 3)
10xC%<Ta + Nb% <1,00%
4) 8 xC% < Ta + Nb% < 1,00% |
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