Products

MATERIAL COMPARISON FOR CAST AND FORGED PRODUCTS
GENERAL CLASSIFICATION CASTINGS FORGINGS
ASTM BS ASTM BS
Cast Iron A126 - Class A 1452 - 14 - -
A126 - Class B 1452 - 17 - -
A126 - Class C 1452 - 20 - -
Malleable Iron A197 310 - B18/6 - -
A 47 - 32510 - B22/14 - -
A 47 - 35018 - - -
Ductile Iron A395 - - -
A536 - - -
Carbon Steel A216 - WCA - A105 1503 - 161B
- 1504 - 161 - -
A216 - WCB 1504 - B A105 1503 - 161C
A216 - WCC - - -
- 1504 - C   -
Carbon - 1/2 Mo A217 - WC1 1504 - 240 A182 - F1 1503 - 240B
1/2 Cr - 1/2 Mo - 1/2 Ni - WC4 - - -
1 Cr - 1/2 Mo - 1/2 Ni A217 - WC5 - A182 - F12 1503 - 620
1 1/4 Cr - 1/2 Mo - WC6 1504 - 621 - F11 -
2 1/4 Cr - 1 Mo - WC9 - 622 - F22 1503 - 622
3 Cr - 1 Mo - - - F21 -
5 Cr - 1/2 Mo (C0.15) - - - F5 -
5 Cr - 1/2 Mo (C0.25) A217 - C5 1504 - 625 - F5a 1503 - 625
9 Cr - 1 Mo A217 - C12 - 629 - F9 -
Carbon Steel for Low Temp. A352 - LCB 4242 - GRA A350 - LF1 -
13 Cr A217 - CA15 - A182 - F6 1503 - 713
18 Cr - 8 Ni (C0.03) A351 - CF3 - - F304L -
18 Cr - 8 Ni (C0.08) - CF8 - - F304 - 801
18 Cr - 8 Ni - 2 Mo (C0.03) A351 - CF3M - - F316L -
18 Cr - 8 Ni - 2 Mo (C0.08) - CF8M 1632 - GRC - F316 - 8453
18 Cr - 8 Ni - Cb (C0.08) A351 - CF8C - - F347 - 821Nb
22 Cr - 12 Ni (C0.08) - CH18 - - -
22 Cr - 12 Ni (C0.10) - CH10 - - -
22 Cr - 12 Ni (C0.20) - CH20 - - -
23 Cr - 19 Ni (C0.20) - CK20 - - -
23 Cr - 19 Ni (C0.35) - HK30 - - -
23 Cr - 19 Ni (C0.45) - HK40 - - -
13 Cr - 33 Ni - Mo (C0.35) - HT30 - - -
15 Cr - 13 Ni - 2 Mo - Cb (C0.10) CF - 10MC - - -
-19 Cr - 27 Ni - 2 Mo - 3 Cu (C0.07) - CN7M - - -
8 Cr - 20 Ni (C0.20) - - A182 - F10 -
HASTELLOY.B A494 - N - 12MV      
PRESSURE - TEMPERATURE RATINGS
ASME B16.34 - 1996 - STANDARD CLASS
ASTM A216 Gr. WCB
TEMP
°F
WORKING PRESSURE (in psig) BY CLASS
150 300 600 900 1500 2500
-20 to 100
200
300
285
260
230
740
675
655
1480
1350
1315
2220
2025
1970
3705
3375
3280
6170
5625
5470
400
500
600
200
170
140
635
600
550
1270
1200
1095
1900
1795
1640
3170
2995
2735
5280
4990
4560
650
700
750
125
110
95
535
535
505
1075
1065
1010
1610
1600
1510
2685
2665
2520
4475
4440
4200
800
850
900
80
65
50
410
270
170
825
535
345
1235
805
515
2060
1340
860
3430
2230
1430
950
1000
35
20
105
50
205
105
310
155
515
260
860
430
Not recommended for prolonged use above 800°F
TEMP
°C
WORKING PRESSURE (in bar) BY RATING
PN 20 PN 50 PN 100 PN 150 PN 250 PN 420
38
93
149
19.7
17.9
15.9
51.0
46.6
45.2
102.1
93.1
90.7
153.1
139.7
135.9
255.5
232.8
226.2
425.5
387.9
377.2
204
260
316
13.8
11.7
9.7
43.8
41.4
37.9
87.6
82.8
75.5
131.0
123.8
113.1
218.6
206.6
188.6
363.4
344.1
314.5
343
371
399
8.6
7.6
6.6
36.9
36.9
34.8
74.1
73.4
69.7
111.0
110.3
104.1
185.2
183.8
173.8
308.6
306.2
289.7
427
454
482
5.5
4.5
3.4
28.3
18.6
11.7
56.9
36.9
23.8
85.2
55.5
35.5
142.1
92.4
59.3
236.6
153.8
98.6
510
538
2.4
1.4
7.2
3.4
14.1
7.2
21.4
10.7
35.5
17.9
59.3
29.7
ASTM A217 Gr WC6
TEMP
°F
WORKING PRESSURE (in psig) BY CLASS  
150 300 600 900 1500 2500
-20 to 100
200
300
290
260
230
750
750
720
1500
1500
1445
2250
2250
2165
3750
3750
3610
6250
6250
6015
400
500
600
200
170
140
695
665
605
1385
1330
1210
2080
1995
1815
3465
3325
3025
5775
5540
5040
650
700
750
125
110
95
590
570
530
1175
1135
1065
1765
1705
1595
2940
2840
2660
4905
4730
4430
800
850
900
80
65
50
510
485
450
1015
975
900
1525
1460
1350
2540
2435
2245
4230
4060
3745
950
1000
1050
35
20
20(1)
320
215
145
640
430
290
955
650
430
1595
1080
720
2655
1800
1200
1100
1150
1200
20(l)
20(l)
15(l)
95
60
40
190
125
75
290
185
115
480
310
190
800
515
315
(l) : For weld end valves only.