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ASTM A815 pipe fittings

ASTM A815 pipe fittings are specifications for wrought austenitic, ferritic, duplex stainless steel butt-welded fittings.

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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.

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