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, mm	P-No.	Group No.	Min. Tensile Strength, MPa	Min. Yield Strength, MPa	External Pressure Chart No.	Notes	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 40	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 65	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 100	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 125	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 150	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 175	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 200	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 225	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °C, Not Exceeding 250	Maximum Allowable Stress, MPa (Multiply by 1000 to Obtain kPa), for Metal Temperature, °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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Table 6C

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