CHEMICAL	LIMITS	C	Mn	P	S	Si	Ni	Cr	Mo	N	Cu
ASTM A182 F304	MIN						8.0	18.0
	MAX	0.08	2.00	0.045	0.030	1.00	11.0	20.0		0.10
ASTM A182 F316	MIN						10.0	16.0	2.00
	MAX	0.08	2.00	0.045	0.030	1.00	14.0	18.0	3.00	0.01
ASTM A182 F44	MIN						17.50	19.50	6.00		0.50
	MAX	0.02	1.00	0.030	0.010	0.80	18.50	20.50	6.50		1.00
ASTM A182 F51	MIN						4.50	21.00	2.50	0.08
	MAX	0.03	2.00	0.030	0.020	1.00	6.50	23.00	3.50	0.20
ASTM A182 F53	MIN						6.00	24.00	3.00	0.24
	MAX	0.03	1.20	0.035	0.020	0.80	8.00	26.00	5.00	0.32	0.5

Mechanical Properties

MATERIAL	ASTM A182 F304	ASTM A182 F316	ASTM A182 F44	ASTM A182 F51	ASTM A182 F53
T.S (MPA)	515 min	515 min	650 min	620 min	800 min
Y.S (MPA)	205 min	205 min	300 min	450 min	550 min
EL %	30 min	30 min	35 min	35 min	25 min
R/A %	50 min	50 min	50 min	45 min	15 min
HARDNESS					310 max

Advantage of Stainless Steel Threaded Coupling

High quality materials

Standardized design

Good sealing performance

Wide applicability

Easy installation

Good sealing

Corrosion and high temperature resistance

ASME B16.11 Stainless Steel Threaded Coupling

Stainless steel threaded coupling is a pipe connection fittings comply with the ASME B16.11 standard. This standard specifies in detail the dimensions, materials, manufacturing requirements, testing methods of threaded coupling to ensure product quality and interchangeability.

ASME B16.11 stainless steel threaded couplings are mainly used to connect two pipes or fittings with external threads. By tightly fitting their internal threads with the external threads of the pipes or fittings, they achieve sealing and connection of the pipes. The selection of stainless steel material makes the pipe clamp have good corrosion resistance and oxidation resistance, suitable for various corrosive media and high temperature environments.

Dimension

DN	NPS	W	D		L 5 min	L 2 min
		3000 & 6000	3000	6000
6	1/8	32	16	22	6.4	6.7
8	1/4	35	19	25	8.1	10.2
10	3/8	38	22	32	9.1	10.4
15	1/2	48	28	38	10.9	13.6
20	3/4	51	35	44	12.7	13.9
25	1	60	44	57	14.7	17.3
32	1¼	67	57	64	17.0	18.0
40	1½	79	64	76	17.8	18.4
50	2	86	76	92	19.0	19.2
65	2½	92	92	108	23.6	28.9
80	3	108	108	127	25.9	30.5
100	4	121	140	159	27.7	33.0

Weight Chart (KG)

Nominal  Size		THRD Coupling
D N	NPS	6000
6 8 10	1/8 1/4 3/8	0.09 0.13 0.24
15 20 25	1/2 3/4 1	0.40 0.52 1.06
32 40 50	11/4 11/2 2	1.32 2.20 3.37
65 80 100	21/2 3 4	4.81 7.25 12.0

Application and Installation

ASME B16.11 stainless steel threaded couplings are widely used in pipeline systems in industries such as petroleum, chemical, natural gas, water treatment, pharmaceuticals, and food. Especially in situations where high corrosion resistance and sealing are required, such as corrosive medium transportation pipelines in the chemical industry and sanitary pipelines in the food processing industry, this pipe clamp plays an important role.

The installation and disassembly of stainless steel threaded coupling is relatively simple. During installation, simply screw the pipe clamp into the thread of the pipeline and tighten it appropriately. When disassembling, simply rotate the pipe clamp in the opposite direction to remove it from the pipeline. This simple installation and disassembly method makes stainless steel threaded pipe clamps very popular in the maintenance and renovation of pipeline systems.

Inspection

The production and use of stainless steel threaded coupling usually follow relevant international or domestic standards and specifications, such as ASME B16.11. These standards and specifications provide detailed regulations on the size, material, performance, inspection, and other aspects of pipe clamps to ensure their quality and safety.