Stainless Steel 317L Flanges

Stainless Steel 317L Flanges

Arrow Piping Solutions is a trusted manufacturer, supplier, and exporter of Stainless Steel 317L Flanges in India. Our range includes SS 317L Lap Joint Flanges, Plate Flanges, SORF Flanges, Threaded Flanges, Spectacle Blind Flanges, and Socket Weld Flanges, all designed to meet ASTM A182 standards and international specifications.

317L is a non-magnetic Austenitic Stainless Steel and a low carbon version of grade 317. It provides enhanced corrosion resistance compared to 304L and 316L and produces stronger welds due to its low carbon content. SS 317L is ideal for applications in aggressive and high-temperature environments, making it suitable for flange manufacturing.

Specifications of Stainless Steel 317L 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
• Standard: ANSI, ASME, BS, DIN, EN Flanges
• Size: 1/2" (15 NB) to 48" (1200NB)
• Class / Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6 to PN64
• Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
SS 317L	1.4438	S31703	SUS 317L	X2CrNiMo18-15-4

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Fe
SS 317L	0.035 max	2.0 max	1.0 max	0.045 max	0.030 max	18.00 - 20.00	3.00 - 4.00	11.00 - 15.00	57.89 min

Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2% Offset)	Elongation
7.9 g/cm³	1400 °C	75000 psi / 515 MPa	30000 psi / 205 MPa	35%

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
Table H	-	114	83	4	16	17
Table J	-	114	83	4	16	17

Application Industries