SMO 254 Flanges

SMO 254 Flanges

Arrow Piping Solutions is a trusted manufacturer and supplier of high-performance SMO 254 Flanges in India. We offer a wide range of ASTM A182 SMO 254 Pipe Flanges including Lap Joint Flanges, SORF Flanges, Socket Weld Flanges, Threaded Flanges, Plate Flanges, and Spectacle Blind Flanges at competitive prices across the country, including Mumbai.

SMO 254 is an austenitic stainless steel enriched with nitrogen, molybdenum, and copper, offering superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. These flanges are ideal for use in harsh environments such as marine, chemical processing, power plants, and more. Arrow Piping Solutions ensures that all SMO 254 Flanges are manufactured using the highest quality raw materials, with strict quality control and inspection throughout the production process.

We offer SMO 254 Flanges in various dimensions, thicknesses, and pressure classes as per national and international standards including ANSI/ASME B16.5, B16.47 Series A & B, DIN, EN, BS, and JIS specifications. Our flanges are known for high durability, excellent machinability, corrosion resistance, and weldability.

Specifications of SMO 254 Flanges

• Specification: ASTM A182 / ASME SA182
• Dimension Standard: ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, JIS
• Size: 1/2" (15 NB) to 48" (1200NB)
• Class / Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
• Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	SIS	AFNOR	EN
254 SMO	1.4547	S31254	2378	Z1 CNDU 20.18.06Az	X1CrNiMoCuN20-18-7

Chemical Composition

Grade	Ni	Cr	Mo	Cu	N	C	Mn	Si	P	S
SMO 254	17.5–18.5	19.5–20.5	6–6.5	0.5–1	0.18–0.22	0.02 max	1 max	0.8 max	0.03 max	0.01 max

Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2% Offset)	Elongation
8.0 g/cm³	1320–1390 ℃	650 MPa	300 MPa	35%

Standard Sizes and Dimensions

Standard	Class	Diameter	Bolt Circle Diameter	No. of Bolts	Bolt Size	Bolt Hole Dia
AS4087 PN14	PN14	95	67	4	M12	14
AS 2129 Table C	Table C	95	67	4	13	14
Table D	-	95	67	4	13	14
Table E	-	95	67	4	13	14
ANSI 150	150	89	60	4	13	16
ANSI 300	300	95	67	4	13	16
ANSI 900	900	121	83	4	19	22
PN10	10	95	65	4	M12	14
PN16	16	95	65	4	M12	14
PN25	25	95	65	4	M12	14
PN40	40	95	65	4	M12	14

Application Industries

Note: Arrow Piping Solutions delivers SMO 254 Flanges with rigorous inspection, secure packaging, and timely delivery. Our commitment to quality and customer satisfaction makes us a leading supplier of 254 SMO Flanges in India and abroad.