ASTM A403 / ASME SA403 / EN10253-4 WP304L 1.4307 CAP STAINLESS STEEL BUTT WELD FITTING

Overview:

WP304L is a type of stainless steel material used in piping fittings. A cap is a type of fitting that is used to cover the end of a pipe.

A WP304L cap is a pipe fitting made from WP304L stainless steel material. It is designed to fit over the end of a pipe and provide a seal, preventing fluid or gas from escaping. WP304L is a low-carbon variant of the popular 304 stainless steel. This material is often used in applications that require corrosion resistance, such as in the chemical, petrochemical, and food processing industries.

The WP304L cap is designed to be welded onto the end of a pipe. It is available in various sizes and shapes to fit different pipe diameters and end configurations. The cap is usually fitted with a socket weld, butt weld, or threaded connection, depending on the application requirements.

Specification:

 

Standard	ASTM A403/ASME SA403; EN10253-4
Material	WP304L; 1.4307
Type	Buttweld Cap
Connection	Welding
Size	1/2"-48"(DN15-DN1200) or custom size
Thickness	SCH10S-XXS(2-60mm)
Surface	Sand Blasting
Packing	Plywood case/Pallet

 

Chemical Composition:

 

Grade	C	Mn	P	S	Si	Ni	Cr
WP304L	0.03 max	2.0 max	0.045 max	0.03 max	1.00 max	8.0-12.0	18.0-20.0

 

 

Mechanical Properties:

 

Grade	Yield Strength, min, ksi [MPa]	Tensile Strength, min, ksi [MPa]	Elongation %
WP304L	25(170)	70(485)	28

 

Dimension for BW Cap:

 

Nominal Size		Out Diameter at Bevel (mm)	Length (mm)		Limiting Wall Thickness for Length E (mm)
DN	NPS	O.D.	E	E1
15	1/2	21.3	25	25	4.57
20	3/4	26.7	25	25	3.81
25	1	33.4	38	38	4.57
32	1 1/4	42.2	38	38	4.83
40	1 1/2	48.3	38	38	5.08
50	2	60.3	38	44	5.59
65	2 1/2	73.0	38	51	7.11
80	3	88.9	51	64	7.62
90	3 1/2	101.6	64	76	8.13
100	4	114.3	64	76	8.64
125	5	141.3	76	89	9.65
150	6	168.3	89	102	10.92
200	8	219.1	102	127	12.7
250	10	273.0	127	152	12.7
300	12	323.8	152	178	12.7
350	14	355.6	165	191	12.7
400	16	406.4	178	203	12.7
450	18	457.0	203	229	12.7
500	20	508.0	229	254	12.7
550	22	559.0	254	254	12.7
600	24	610.0	267	305	12.7
650	26	660.0	267	...	...
700	28	711.0	267	...	...
750	30	762.0	267	...	...
800	32	813.0	267	...	...
850	34	864.0	267	...	...
900	36	914.0	267	...	...
950	38	965.0	305	...	...
1000	40	1016.0	305	...	...
1050	42	1067.0	305	...	...
1100	44	1118.0	343	...	...
1150	46	1168.0	343	...	...
1200	48	1219.0	343	...	...
GENERAL NOTE: The shape of these caps shall be ellipsoidal and shall conform to the requirements given in the ASME Boiler and Pressure Vessel Code. NOTES: (1) Length E applies for thickness not exceeding that given in column “Limiting Wall Thickness for Length, E.” (2) Length E1 applies for thickness greater than that given in column “Limiting Wall Thickness for Length, E” for NPS 24 and smaller. For NPS 26 and larger, length E1 shall be by agreement between the manufacturer and purchaser.

 

Application:

1. Food processing industry: The use of stainless steel fittings like WP304L Cap is essential to meet hygiene standards in the food processing industry. These caps are used to seal pipes and prevent the accumulation of bacteria in the pipes.

2. Chemical processing plants: WP304L Cap is also used in chemical processing plants to protect the end of pipes from corrosion caused by chemicals and to prevent leaks.

3. Pharmaceutical industry: The use of WP304L Cap helps to maintain purity and sterility during the manufacturing of pharmaceutical products.

4.Oil and gas industry: WP304L Cap is used in pipelines that transport oil and gas to prevent corrosion and leakage.