ASTM A795 Black Welded Steel Pipe

ASTM A795 Black Welded Steel Pipe
OD:88.9--609.6mm
WT:4--16mm
Business type:manufacture & expor

ASTM A795 Black Welded Steel Pipe
OD:88.9--609.6mm
WT:4--16mm
Business type:manufacture & expor

Model Number:ASTM A795/A795M

Description

Standard: ASTM A795/A795M

Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use

Type: Electric-resistance-welded(ERW)

 

Size: NPS 1 to NPS 10, inclusive [DN 25 to DN 250], with wall thicknesses as given in Table 1

Table 1 Dimensions, Weights, Test Pressures For Standard-Weight Fire Protection Pipe—Schedule 30 and Schedule 40

NPS Designator	Outside Diameter		Nominal Wall ThicknessA		Weight Plain End		Test Pressure
							Electric- Resistance-Welded
	in	mm	in	mm	lb/ft	kg/m	psi	MPa
1	1.315	33.4	0.133	3.38	1.68	2.50	700	4.83
11/4	1.660	42.2	0.140	3.56	2.27	3.39	1000	6.89
11/2	1.900	48.3	0.145	3.68	2.72	4.05	1000	6.89
2	2.375	60.3	0.154	3.91	3.66	5.45	1000	6.89
21/2	2.875	73.0	0.203	5.16	5.80	8.64	1000	6.89
3	3.500	88.9	0.216	5.49	7.58	11.29	1000	6.89
4	4.500	114.3	0.237	6.02	10.80	16.09	1200	8.27
5	5.563	141.3	0.258	6.55	14.63	21.79	1200	8.27
6	6.625	168.3	0.280	7.11	18.99	28.29	1200	8.27
8	8.625	219.1	0.277	7.04	24.72	36.82	1200	8.27
10	10.750	273.1	0.307	7.80	34.27	51.05	1000	6.89

^A NPS 1⁄2 through 6—Schedule 40; NPS 8 and 10—Schedule 30.

 

Length: 16 to 22 ft [4.9 to 6.7 m], or according to customer’s requirement.

 

Ends: Small sizes are plain, Large sizes are beveled, or according to customer’s requirement

Packing: In bundles, If need, all the pipes can be covered in waterproof wrapping.

Testing: Chemical Composition, Flattening Tests, Hydrostatic Test, Nondestructive Electric Test and etc. as customer’s requirement.

Usage: For fire protection use