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Dimensions, Weights, and Test Pressure Chart

TABLE 1 Dimensions, Weights, and Test Pressure for Light-Weight Fire Protection ASTM A795 Pipe-Schedule 10A

NPS Designator	Outside Diameter		Nominal Wall Thickness		Weight Plain End		Test Pressures
	Outside Diameter		Nominal Wall Thickness		Weight Plain End		Fumace-Welded		Electric-Resistance Weld
	in.	mm	in.	mm	lb/ft	kg/m	psi	MPa	psi	MPa
3/4	1.050	26.7	0.08.	2.11	0.86	1.28	500	3.45	700	4.83
1	1.315	33.4	0.109	2.77	1.4	2.1	500	3.45	700	4.83
1 1/4	1.660	42.1	0.109	2.77	1.81	2.72	500	3.45	1000	6.89
1 1/2	1.900	48.3	0.109	2.77	2.08	3.12	500	3.45	1000	6.89
2	2.375	60.3	0.109	2.77	2.64	3.96	500	3.45	1000	6.89
2 1/2	2.875	73	0.12	3.05	3.53	5.3	500	3.45	1000	6.89
3	3.500	88.9	0.12	3.05	4.33	6.5	500	3.45	1000	6.89
3 1/2	4.000	101.6	0.12	3.05	4.97	7.46	500	3.45	1200	8.27
4	4.500	114.3	0.12	3.05	5.61	8.36	500	3.45	1200	8.27
5	5.563	141.3	0.134	3.4	7.77	11.58	B	B	1200	8.27
6	6.625	168.3	0.134	3.4	9.29	13.84	B	B	1000	6.89
8	8.625	219.1	0.188C	4.8	16.94	25.41	B	B	800	5.51
10	10.750	273	0.188C	4.8	21.21	31.82	B	B	700	4.83

TABLE 2 Dimensions, Weights, Test Pressures for Standard-Weight Fire Protection ASTM A795 Pipe-Schedule 30 and Schedule 40

NPS Designator	Outside Diameter		Nominal Wall Thickness C		Weight Plain End		Weight Thread and Couplings A		Test Pressure
	Outside Diameter		Nominal Wall Thickness C		Weight Plain End		Weight Thread and Couplings A		Fumace-Welded		Electric-Resistance Weld
	in.	mm	in.	mm	lb/ft	kg/m	lb/ft	kg/m	psi	MPa	psi	MPa
1/2	0.840	21.3	0.109	2.77	0.85	1.27	0.85	1.27	700	4.83	700	4.83
3/4	1.050	26.7	0.113	2.87	1.13	1.68	1.13	1.68	700	4.83	700	4.83
1	1.315	33.4	0.133	3.38	1.68	2.5	1.68	2.5	700	4.83	700	4.83
1 1/4	1.660	42.1	0.14	3.56	2.27	3.38	2.28	3.38	1000	6.89	1000	6.89
1 1/2	1.900	48.3	0.145	3.68	2.72	4.05	2.73	4.06	1000	6.89	1000	6.89
2	2.375	60.3	0.154	3.91	3.65	5.43	3.68	5.48	1000	6.89	1000	6.89
2 1/2	2.875	73	0.203	5.16	5.79	8.62	5.82	8.66	1000	6.89	1000	6.89
3	3.500	88.9	0.216	5.49	7.58	11.28	7.62	11.34	1000	6.89	1000	6.89
3 12	4.000	101.6	0.226	5.74	9.11	13.56	9.2	13.68	1200	8.27	1200	8.27
4	4.500	114.3	0.237	6.02	10.79	16.06	10.9	16.22	1200	8.27	1200	8.27
5	5.563	141.3	0.258	6.55	14.62	21.76	14.81	22.04	B	B	1200	8.27
6	6.625	168.3	0.28	7.11	18.97	28.34	19.18	28.66	B	B	1200	8.27
8	8.625	219.1	0.277C	7.04	24.7	36.9	25.55	38.17	B	B	1200	8.27
10	10.750	273	0.277C	7.8	34.24	51.16	35.75	53.41	B	B	1000	6.89

Chemical Composition and Mechanical Properties

Steel Grade	Chemical Composition %				Mechanical Properties
	C	Mn	P	S	Yield Strength ReH Mpa	Tensile Strength Rm Mpa	Elongation A
	Max	Max	Max	Max	Min	Min	%
S195	0.30	1.20	0.035	0.035	240	415	≥ 25%

Welding: ERW Grade B pipes require post-weld heat treatment to 1000°F (540°C) to eliminate untempered martensite.

Applicant Field

Core Applications: Automatic sprinkler systems for buildings, factories, shopping malls, and warehouses

Other Applications: Fire protection networks for industrial plants, commercial complexes, and data centers

Water treatment facilities and general industrial low-pressure fluid transport

Hot-dip galvanized/black pipes, compatible with UL/FM certified fire protection systems

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ASTM A795 GR.B ERW STEEL PIPE

PRODUCTION

Dimensions, Weights, and Test Pressure Chart

Chemical Composition and Mechanical Properties

Applicant Field

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