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Specification of ASME B16.11Threaded Coupling
ASME B16.11 is the standard for the forged steel fittings, which include socket weld and threaded type. ASME B16.11 contains ratings, dimensions, tolerances, marking and material requirements for forged fittings, both socket-welding and threaded. Threaded fittings are available in pressure ratings Class 2000, 3000, and 6000.
Size Range | 1/8" – 4" / DN6 - DN100 |
Pressure Rating | Class 6000 |
Thread Type | NPT, PT, BSPP, BSPT, PF |
Standard | ASME B16.11 |
Alloy Steel | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22 |
Stainless Steel | ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L，1.4404, 1.4437. |
Duplex Stainless Steel | ASTM A182 F51, F53, F44 |
The commonly used materials for ASTM A182 threaded coupling include ASTM A182 F304/F316/F44; and duplex stainless steel F51/F53. These stainless steel material has excellent corrosion resistance and high temperature performance, which can meet the needs of different working conditions.
Chemical Composition
| 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 ASTM A182 Threaded Coupling
High quality materials
Standardized design
Good sealing performance
Wide applicability
Easy installation
Good sealing
Corrosion and high temperature resistance
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.
Specification of ASME B16.11Threaded Coupling
ASME B16.11 is the standard for the forged steel fittings, which include socket weld and threaded type. ASME B16.11 contains ratings, dimensions, tolerances, marking and material requirements for forged fittings, both socket-welding and threaded. Threaded fittings are available in pressure ratings Class 2000, 3000, and 6000.
Size Range | 1/8" – 4" / DN6 - DN100 |
Pressure Rating | Class 6000 |
Thread Type | NPT, PT, BSPP, BSPT, PF |
Standard | ASME B16.11 |
Alloy Steel | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22 |
Stainless Steel | ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L，1.4404, 1.4437. |
Duplex Stainless Steel | ASTM A182 F51, F53, F44 |
The commonly used materials for ASTM A182 threaded coupling include ASTM A182 F304/F316/F44; and duplex stainless steel F51/F53. These stainless steel material has excellent corrosion resistance and high temperature performance, which can meet the needs of different working conditions.
Chemical Composition
| 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 ASTM A182 Threaded Coupling
High quality materials
Standardized design
Good sealing performance
Wide applicability
Easy installation
Good sealing
Corrosion and high temperature resistance
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.
