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Table 6C



Table 6C Section IV FOR INFORMATION ONLY — Maximum Allowable Stress Values, $ S $ , for Lined Water Heater Materials

Line No. Nominal Composition Product Form Spec. No. Type/Grade Alloy Desig./ UNS No. Class/ Condition/ Temper Size/ Thickness, $ \mathrm{mm} $ P-No. Group No. Min. Tensile Strength, $ \mathrm{MPa} $ Min. Yield Strength, $ \mathrm{MPa} $ External Pressure Chart No. Notes Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 40 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 65 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 100 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 125 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 150 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 175 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 200 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 225 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 250 Maximum Allowable Stress, $ \mathrm{MPa} $ (Multiply by 1000 to Obtain $ \mathrm{kPa} $ ), for Metal Temperature, $ \mathrm{°C} $ , Not Exceeding 275
1 Carbonsteel Castings SA–278 20 … … … … … 138 124 CI–1 W1 34.5 34.5 34.5 34.5 34.5 34.5 34.5 34.5 34.5 34.5
2 Carbonsteel Castings SA–278 25 … … … … … 173 154 CI–1 W1 43.0 43.0 43.0 43.0 43.0 43.0 43.0 43.0 43.0 43.0
3 Carbonsteel Castings SA–278 30 … … … … … 207 186 CI–1 W1 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8
4 Carbonsteel Castings SA–278 35 … … … … … 241 217 CI–1 W1 60.3 60.3 60.3 60.3 60.3 60.3 60.3 60.3 60.3 60.3
5 Carbonsteel Castings SA–278 40 … … … … … 276 248 CI–1 W1 69.0 69.0 69.0 69.0 69.0 69.0 69.0 69.0 69.0 69.0
6 Carbonsteel Wld.tube SA–513 1008 … … … 1 1 290 207 … G1, G2 61.6 61.6 61.6 61.6 61.6 61.6 61.6 61.6 61.6 61.6
7 Carbonsteel Bar SA–675 45 … … … 1 1 310 155 CS–6 … 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6
8 Carbonsteel Plate SA–285 A K01700 … … 1 1 310 165 CS–1 … 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6
9 Carbonsteel Plate SA–285AISIC–1012 … … … … 1 1 310 170 … … 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5
10 Carbonsteel Sheet SA–414 A K01501 … … 1 1 310 170 CS–1 … 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6
11 Carbonsteel Sheet SA–414AISIC–1012 … … … … 1 1 310 170 … … 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5
12 Carbonsteel Wld.tube SA–513 1010 … … … 1 1 310 221 … G1, G2 65.9 65.9 65.9 65.9 65.9 65.9 65.9 65.9 65.9 65.9
13 Carbonsteel Wld.tube SA–178 E/A K01200 … … 1 1 325 180 … G1, G2 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9
14 Carbonsteel Smls.pipe SA–53 A K02504 … … 1 1 330 205 CS–2 … 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7
15 Carbonsteel Wld.pipe SA–53 E/A K02504 … … 1 1 330 205 CS–2 G1 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3
16 Carbonsteel Smls.pipe SA–106 A K02501 … … 1 1 330 205 CS–2 … 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7 82.7
17 Carbonsteel Wld.pipe SA–135 E/A … … … 1 1 330 205 CS–2 G1 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3
18 Carbonsteel Wld.tube SA–513 1015 … … … 1 1 330 241 … G1, G2 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3 70.3
19 Carbonsteel Bar SA–675 50 … … … 1 1 345 170 CS–1 … 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2
20 Carbonsteel Plate SA–285 B K02200 … … 1 1 345 185 CS–1 … 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2
21 Carbonsteel Plate SA–285AISIC–1015d … … … … 1 1 345 205 … … 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3
22 Carbonsteel Sheet SA–414 B K02201 … … 1 1 345 205 CS–2 … 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2
23 Carbonsteel Sheet SA–414AISIC–1015d … … … … 1 1 345 205 … … 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3 86.3
24 Carbonsteel Bar SA–675 55 … … … 1 1 380 190 CS–1 … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
25 Carbonsteel Plate SA–285 C K02801 … … 1 1 380 205 CS–2 … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
26 Carbonsteel Plate SA–516 55 K01800 … … 1 1 380 205 CS–2 … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
27 Carbonsteel Plate SA–285AISIC–1023 … … … … 1 1 380 230 … … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
28 Carbonsteel Sheet SA–414 C K02503 … … 1 1 380 230 CS–2 … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
29 Carbonsteel Sheet SA–414AISIC–1023 … … … … 1 1 380 230 … … 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8 94.8
30 Carbonsteel Plate SA–36 … K02600 … … 1 1 400 250 CS–2 … 100 100 100 100 100 100 100 100 100 100
31 Carbonsteel Bar,shapes SA–36 … K02600 … … 1 1 400 250 … … 100 100 100 100 100 100 100 100 100 100
32 Carbonsteel Forgings SA–181 … K03502 60 … 1 1 415 205 CS–2 … 103 103 103 103 103 103 103 103 103 103
33 Carbonsteel Bar SA–675 60 … … … 1 1 415 205 CS–2 … 103 103 103 103 103 103 103 103 103 103
34 Carbonsteel Plate SA–515 60 K02401 … … 1 1 415 220 CS–2 … 103 103 103 103 103 103 103 103 103 103
35 Carbonsteel Plate SA–516 60 K02100 … … 1 1 415 220 CS–2 … 103 103 103 103 103 103 103 103 103 103
36 Carbonsteel Smls.pipe SA–53 B K03005 … … 1 1 415 240 CS–2 … 103 103 103 103 103 103 103 103 103 103
37 Carbonsteel Wld.pipe SA–53 E/B K03005 … … 1 1 415 240 CS–2 G1 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9
38 Carbonsteel Smls.pipe SA–106 B K03006 … … 1 1 415 240 CS–2 … 103 103 103 103 103 103 103 103 103 103
39 Carbonsteel Wld.pipe SA–135 E/B … … … 1 1 415 240 CS–2 G1 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9
40 Carbonsteel Sheet SA–414 D K02505 … … 1 1 415 240 CS–2 … 103 103 103 103 103 103 103 103 103 103
41 Carbonsteel Wld.tube SA–178 E/C K03503 … … 1 1 415 255 … G1 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9 87.9
42 Carbonsteel Bar SA–675 65 … … … 1 1 450 225 CS–2 … 112 112 112 112 112 112 112 112 112 112
43 Carbonsteel Plate SA–515 65 K02800 … … 1 1 450 240 CS–2 … 112 112 112 112 112 112 112 112 112 112
44 Carbonsteel Plate SA–516 65 K02403 … … 1 1 450 240 CS–2 … 112 112 112 112 112 112 112 112 112 112
45 Carbonsteel Sheet SA–414 E K02704 … … 1 1 450 260 CS–2 … 112 112 112 112 112 112 112 112 112 112
46 Carbonsteel Plate SA/CSA–G40.21 44W … … t ≤ 200 1 1 450 305 CS–2 … 112 112 112 112 112 112 112 112 112 112
47 Carbonsteel Plate SA/CSA–G40.21 50W … … t ≤ 150 1 1 450 345 CS–2 … 112 112 112 112 112 112 112 112 112 112
48 Carbonsteel Plate SA–455 … K03300 … 15< t ≤ 20 1 2 485 240 CS–2 … 121 121 121 121 121 121 121 121 121 121
49 Carbonsteel Bars SA–675 70 … … … 1 2 485 240 CS–2 … 121 121 121 121 121 121 121 121 121 121
50 Carbonsteel Forgings SA–105 … K03504 … … 1 2 485 250 CS–2 … 121 121 121 121 121 121 121 121 121 121
51 Carbonsteel Forgings SA–181 … K03502 70 … 1 2 485 250 CS–2 … 121 121 121 121 121 121 121 121 121 121
52 Carbonsteel Plate SA–515 70 K03101 … … 1 2 485 260 CS–2 … 121 121 121 121 121 121 121 121 121 121
53 Carbonsteel Plate SA–516 70 K02700 … … 1 2 485 260 CS–2 … 121 121 121 121 121 121 121 121 121 121
54 Carbonsteel Smls.pipe SA–106 C K03501 … … 1 2 485 275 CS–2 … 121 121 121 121 121 121 121 121 121 121
55 Carbonsteel Sheet SA–414 F K03102 … … 1 2 485 290 CS–2 … 121 121 121 121 121 121 121 121 121 121
56 Carbonsteel Plate SA–455 … K03300 … 9.5< t ≤ 15 1 2 505 255 CS–2 … 126 126 126 126 126 126 126 126 126 126
57 Carbonsteel Plate SA–455 … K03300 … t ≤ 9.5 1 2 515 260 CS–2 … 129 129 129 129 129 129 129 129 129 129
58 Carbonsteel Sheet SA–414 G K03103 … … 1 2 515 310 CS–3 … 129 129 129 129 129 129 129 129 129 129
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