Alloy Steel 20 Flanges

Alloy Steel 20 Flanges

Arrow Piping Solutions is a trusted manufacturer and supplier of Alloy Steel 20 Flanges in India. We offer a wide range of flange types including Alloy Steel 20 SORF Flanges, Cr-Ni-Mo Alloy 20 Plate Flanges, ASTM B462 Alloy 20 Pipe Flanges, Threaded Flanges, Lap Joint Flanges, Spectacle Blind Flanges, and Socket Weld Flanges. All our products are fabricated using premium nickel-chromium-iron alloy to ensure excellent corrosion resistance, especially against sulfuric acid, and long-lasting durability.

Alloy Steel 20 Flanges are widely used in piping systems for chemical, pharmaceutical, food processing, and marine industries. These flanges are known for their resistance to pitting, chloride stress corrosion cracking, and general acid attack, making them ideal for aggressive environments.

Specifications of Alloy Steel 20 Flanges

• Specification: ASTM B462 / ASME SB462
• Size Range: 1/2" (15 NB) to 48" (1200NB)
• Pressure Class: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6 to PN64
• Flange Face Type: FF, RF, RTJ
• Standards: ANSI B16.5, B16.47 Series A & B, B16.48, BS4504, DIN, EN-1092, JIS

Chemical Composition

Grade	Ni	Cr	Cu	Mo	Fe	C	Mn	Si	S
Alloy 20	32–38%	19–21%	3–4%	2–3%	Bal	0.07% max	2.0% max	1.0% max	0.035% max

Mechanical Properties

Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
551	241	30%

Stock Sizes and Dimensions

Arrow Piping Solutions stocks a wide range of Alloy Steel 20 flanges compliant with ASME, ASTM, and API standards. Custom sizes, bolt circle diameters, bolt sizes, and pressure ratings are available on request.

Price List (FOB)

Product	Price
Alloy Steel 20 Plate Flanges	Contact us for price.
Alloy 20 Weld Neck Flanges	Contact us for price.
Cr-Ni-Mo Alloy 20 Threaded Flanges	Contact us for price.
ASTM B462 Alloy 20 Socket Weld Flanges	Contact us for price.
Alloy Steel 20 Spectacle Blind Flanges	Contact us for price.