Chemical Composition of Carbon Steel Flanges
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Copper (Cu) | Nickel (Ni) | Chromium (Cr) | Molybdenum (Mo) | Vanadium (V) |
| 0.35max | 0.60–1.05 | 0.035max | 0.040max | 0.10–0.35 | 0.40max | 0.40max | 0.30max | 0.12max | 0.08max |
Mechanical Properties of Carbon Steel Flanges
| Tensile strength,min,psi [MPa] | Yield strength,min,psi [MPa] | Elongation, min, % | Reductionofarea,min,% | Hardness,HB,max |
| 70000 [485] | 36000 [250] | 30 | 30 | 187 |
Carbon Steel Flanges Weight Chart
Standard |
Class |
Diameter |
Bolt Circle Diameter |
Number of Bolts |
Bolt Size |
Diameter of Bolt Hole |
AS4087 |
PN14 |
95 |
67 |
4 |
M12 |
14 |
AS 2129 Flanges |
Table C |
95 |
67 |
4 |
13 |
14 |
Table D |
95 |
67 |
4 |
13 |
14 |
|
Table E |
95 |
67 |
4 |
13 |
14 |
|
Table F |
95 |
67 |
4 |
13 |
14 |
|
Table H |
114 |
83 |
4 |
16 |
17 |
|
Table J |
114 |
83 |
4 |
16 |
17 |
|
ANSI B16.5 |
ANSI 150 |
89 |
60 |
4 |
13 |
16 |
ANSI 300 |
95 |
67 |
4 |
13 |
16 |
|
ANSI 600 |
95 |
67 |
4 |
13 |
16 |
|
ANSI 900 |
121 |
83 |
4 |
19 |
22 |
|
ANSI 1500 |
121 |
83 |
4 |
19 |
22 |
|
ISO 7005 (DIN) Flange |
PN6 |
80 |
55 |
4 |
M10 |
11 |
PN10 |
95 |
65 |
4 |
M12 |
14 |
|
PN16 |
95 |
65 |
4 |
M12 |
14 |
|
PN20 |
90 |
60.5 |
4 |
M14 |
16 |
|
PN25 |
95 |
65 |
4 |
M12 |
14 |
|
PN40 |
95 |
65 |
4 |
M12 |
14 |
Carbon Steel Flanges Pressure Ratings
Flanges pressure rating in psig for common carbon steel ASME flanges ( A105 / A350 LF2 / A350 LF3 / A350 LF6) |
|||||||
Temperature (F°) |
150# |
300# |
400# |
600# |
900# |
1500# |
2500# |
-20 to 100 |
285 |
740 |
985 |
1480 |
2220 |
3705 |
6170 |
200 |
260 |
680 |
905 |
1360 |
2035 |
3395 |
5655 |
300 |
230 |
655 |
870 |
1310 |
1965 |
3270 |
5450 |
400 |
200 |
635 |
845 |
1265 |
1900 |
3170 |
5280 |
500 |
170 |
605 |
805 |
1205 |
1810 |
3015 |
5025 |
600 |
140 |
570 |
755 |
1135 |
1705 |
2840 |
4730 |
650 |
125 |
550 |
730 |
1100 |
1650 |
2745 |
4575 |
700 |
110 |
530 |
710 |
1060 |
1590 |
2655 |
4425 |
750 |
95 |
505 |
675 |
1015 |
1520 |
2535 |
4230 |
800 |
80 |
410 |
550 |
825 |
1235 |
2055 |
3430 |
850 |
65 |
320 |
425 |
640 |
955 |
1595 |
2655 |
900 |
50 |
230 |
305 |
460 |
690 |
1150 |
1915 |
950 |
35 |
135 |
185 |
275 |
410 |
685 |
1145 |
1000 |
20 |
85 |
115 |
170 |
255 |
430 |
715 |
Carbon Steel Flange Physical Composition
| Density (lb / cu. in.) | Specific Gravity | Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | Melting Point (Deg F) | Thermal Conductivity | Mean Coeff Thermal Expansion | Modulus of Elasticity Tension | Modulus of Elasticity Torsion |
| 0.284 | 7.9 | 0.107 | 2740 | 360 | 6.7 | 30 | 11 |