ASTM A815 pipe fittings
ASTM A815 pipe fittings are specifications for wrought austenitic, ferritic, duplex stainless steel butt-welded fittings.
ASTM A815 is a standard specification for wrought ferritic, ferritic/austenitic, and martensitic stainless steel piping fittings. These fittings are used in various industries, including chemical, petrochemical, and power generation, where corrosion resistance and durability are critical.
ASTM A815 Pipe Fittings Specification
Size Range | 1/2″ – 80″ / DN15 – 2000 |
Thickness Schedule | SCH 10, 20, 40, STD, XS, 80, 100, 120, 140, 160, XXS |
Standard | ANSI / ASME B16.9, MSS SP 43, JIS B2311/2312/2313, EN10253 |
Duplex Stainless Steel Grades | ASTM A815 S32205, S31803, 32750, 32760 |
ASTM A815 Pipe Fittings Material
Chemical Composition
CHEMICAL | LIMITS | C | Mn | P | S | Si | Cr | Ni | Mo | N |
ASTM A815 UNS 31803 | MIN | |||||||||
MAX | 0.03 | 2.0 | 0.030 | 0.020 | 1.0 | 23 | 6.5 | 3.5 | 0.20 | |
ASTM A815 UNS 32750 | MIN | 24.00 | 6.00 | 3.00 | 0.24 | |||||
MAX | 0.03 | 1.20 | 0.04 | 0.02 | 0.80 | 26.00 | 8.00 | 5.00 | 0.32 | |
ASTM A815 WPS 32760 | MIN | 24.00 | 6.00 | 3.00 | 0.20 | |||||
MAX | 0.03 | 1.00 | 0.03 | 0.01 | 1.00 | 26.00 | 8.00 | 4.00 | 0.30 | |
ASTM A815 WPS 32205 | MIN | 22.00 | 4.50 | 3.00 | 0.14 | |||||
MAX | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 23.00 | 6.50 | 3.50 | 0.20 |
Mechanical Properties
MATERIAL | ASTM A815 UNS 31803 | ASTM A815 WPS 32205 | ASTM A815 WPS 32750 | ASTM A815 WPS 32760 |
T.S (MPA) | 620 min | 655min | 800min | 750min |
Y.S (MPA) | 450 min | 450min | 550min | 550min |
EL % | 20 min | 20 min | 15min | 25min |
HARDNESS | 290 max | 290 max | 310min | 270min |
Advantages of ASTM A815 Fittings:
High strength and durability.
Excellent corrosion resistance in aggressive environments.
Suitable for high-pressure and high-temperature applications.
Wide range of grades and configurations to meet specific requirements.
Applications
Industries where ASTM A815 fittings are commonly used include:
Oil and gas
Chemical processing
Petrochemical
Desalination plants
And other applications where corrosion resistance is critical.