Stainless Steel 310S Flanges

Stainless Steel 310S Flanges

Arrow Piping Solutions is one of the leading manufacturers, suppliers, and exporters of Stainless Steel 310S Flanges in India. We offer a wide variety of SS 310S Flanges including Threaded Flanges, SORF Flanges, Socket Weld Flanges, Lap Joint Flanges, Plate Flanges, and Spectacle Blind Flanges, conforming to ASTM A182 standards.

Stainless Steel 310S is an austenitic alloy known for excellent corrosion resistance, functional strength, and durability in high-temperature environments. SS 310S is its low carbon version, offering improved weldability and better performance in corrosive applications. Both grades are widely used across several industries for their superior oxidation resistance and mechanical properties.

Specifications of Stainless Steel 310S 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 – PN64
• Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	EN
SS 310	1.4841	S31000	SUS 310	310S24	20Ch25N20S2	X15CrNi25-20
SS 310S	1.4845	S31008	SUS 310S	310S16	20Ch23N18	X8CrNi25-21

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 310	0.015 max	2.0 max	0.15 max	0.020 max	0.015 max	24.00 - 26.00	0.10 max	19.00 - 21.00	54.7 min
SS 310S	0.08 max	2.0 max	1.00 max	0.045 max	0.030 max	24.00 - 26.00	0.75 max	19.00 - 21.00	53.095 min

Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2% Offset)	Elongation
7.9 g/cm³	1402 °C	75000 psi / 515 MPa	30000 psi / 205 MPa	40%

Standard Sizes and Dimensions

Standard	Class	Diameter	Bolt Circle	Bolts	Bolt Size	Bolt Hole Dia
ANSI 150	150	89	60	4	13	16
ANSI 300	300	95	67	4	13	16
ANSI 600	600	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

Application Industries