321 Stainless Steel Flanges, SS SUS 321 Slip On Flanges

Suppliers and Exporter of Stainless Steel 321 Slip on Flanges, Stainless Steel 321 Socket Weld Flanges Exporters in India, Stainless Steel 321 Slip On Flanges, Stainless Steel 321 Socket weld Flanges, Stainless Steel 321 Plate Flange in India & UK, A182 F321 Stainless Steel Flanges, India's Most Experienced Manufacturers, Stainless Steel 321 Threaded Flange, Best Price of Stainless Steel 321 Flanges Manufacturers In India, Stainless Steel 321 Lapped joint Flanges, Stainless Steel 321 Flanges, Stainless Steel 321 Blind Flanges, Stainless Steel 321 Weld Neck Flanges, Stainless Steel 321 Weld neck Flanges.

Table of Content

What is Stainless Steel 321 Flanges

Specification of Stainless Steel 321 Flanges

Equivalent Grade of Stainless Steel 321 Flanges

Chemical Composition of Stainless Steel 321 Flanges

Applications and Uses of Stainless Steel 321 Flanges

Packaging of Stainless Steel 321 Flanges

Testing of Stainless Steel 321 Flanges

People also Search For Stainless Steel 321 Flanges

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Domestic Supply

Siliconsteel manufactures and sells a number of various grades of flanges. One of the Flanges forms on our inventory is SS 321 Flanges. Each flange has its characteristics and qualities. We produce all types of flanges with various specifications, taking into account all industry requirements, and contributing to their production.

Alloy 321 consists of Chrome-Nickel Stainless Steel with Austenitic Titanium. This classification offers intergranular resistance to corrosion, in particular. Alloy 321 is acceptable for applications involving welding at high temperatures. The Alloy 321 contains 0.08% carbon, 0.75% silicon, 0.10% nitrogen and 2% manganese. Alloy 321H is a higher 321 Carbon variant, offering several advantages. Alloy 321H offers high toughness at low temperatures, excellent oxidation resistance, very ductile, and fast shapes. All of these characteristics and qualities are ideal for the development of flanges.

stainless steel 321 flanges supplier stockist

Stainless Steel 321 Flanges, SS 321 ANSI Flange, Stainless Steel 321 Blind Flanges, India's Most Experienced Manufacturers, Suppliers and Exporter of Stainless Steel 321 Slip on Flanges, Stainless Steel UNS S32100 Flanges, Stainless Steel 321 Weld neck Flanges, A182 F321 Stainless Steel Flanges, A182 Stainless Steel 321 Flanges, Stainless Steel 321 Socket Weld Flanges Exporters in India, Stainless Steel 321 Lapped joint Flanges, Best Price of Stainless Steel 321 Flanges Manufacturers In India, Stainless Steel 321 Weld Neck Flanges, A182 F321 Stainless Steel Flanges. Stainless Steel 321 Pipe Flanges, Werkstoff No 1.4541 Stainless Steel 321 Flanges, SS 304, Stainless Steel 321 Socket weld Flanges, Stainless Steel 321 Plate Flange in India & UK, Stainless Steel 321 Slip On Flanges, Stainless Steel 321 Threaded Flange.

Our SS 321 Flanges offers corrosion resistance, reliability, rust-free, oxidation-resistant, and high solderability. Such advantageous flanges are ideally suited for various industries, including petrochemical, pulp, and paper manufacturing, chemical, pharmaceutical, aerospace, food processing, coal, and power plant industries.

We can manufacture SS 321 flanges in the new technologies and modern equipment. SS 321 Flanges are planned and produced in compliance with national and international standards. Our team of qualified experts tracks flanges output to ensure smooth surface finishes and smooth dimensional precision. We give our customers better Flanges anticipated by the use of sophisticated technology and modern tools. We produce SS 321 Flanges in bulk without compromising their consistency with the use of technology.

Specification :

Specifications	ASTM A182 / ASME SA182, ASTM A240 / ASME SA240
Dimensions	ANSI / ASME B16.5, B16.47 Series A & B, B.16.48, BS4504, BS10, DIN, EN-1092, MSS SP44
Size	1/2" - 48"
Class / Pressure Rating	150 Class, 300 Class, F92 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64, etc.
Form	Slip on Flanges (SORF), Threaded Flanges, Weld neck Flanges (WNRF), Blind Flanges, Socket weld Flanges, Lap Joint Flanges, Ring Type Joint Flanges, Spectacle Blind Flanges, Spacer Ring Flanges, Long weld Neck Flanges, Nipo Flange, Nipolet Flanges, Plate Flanges, Flat Flange, Orifice Flanges, Forged Flanges
Flange Face Type	Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging etc
Condition	Flat Face (FF), Raised Face (RF), Ring Type Joint(RTJ)

Types of Stainless Steel 321 Flanges :

ASTM A182 Stainless Steel 321 Blind Flanges S32100 Stainless Steel class 300# Blind Flanges	SS 321 class 150# Blind Flanges SS 321 Blind Flanges Werkstoff Nr. 1.4541 Blind Flanges	UNS S32100 Blind Flanges JIS SUS 321 Blind Flanges EN X6Crniti18-10 Blind Flanges
ASTM A182 Stainless Steel 321 BLRF Flanges S32100 Stainless Steel class 300# BLRF Flanges	SS 321 class 150# BLRF Flanges SS 321 BLRF Flanges Werkstoff Nr. 1.4541 BLRF Flanges	UNS S32100 BLRF Flanges JIS SUS 321 BLRF Flanges EN X6Crniti18-10 BLRF Flanges
ASTM A182 Stainless Steel 321 Flat Flanges S32100 Stainless Steel class 300# Flat Flanges	SS 321 class 150# Flat Flanges SS 321 Flat Flanges Werkstoff Nr. 1.4541 Flat Flanges	UNS S32100 Flat Flanges JIS SUS 321 Flat Flanges EN X6Crniti18-10 Flat Flanges
ASTM A182 Stainless Steel 321 Lap-joint Flanges S32100 Stainless Steel class 300# Lap-joint Flanges	SS 321 class 150# Lap-joint Flanges SS 321 Lap-joint Flanges Werkstoff Nr. 1.4541 Lap-joint Flanges	UNS S32100 Lap-joint Flanges JIS SUS 321 Lap-joint Flanges EN X6Crniti18-10 Lap-joint Flanges
ASTM A182 Stainless Steel 321 Nipolet Flanges S32100 Stainless Steel class 300# Nipolet Flanges	SS 321 class 150# Nipolet Flanges SS 321 Nipolet Flanges Werkstoff Nr. 1.4541 Nipolet Flanges	UNS S32100 Nipolet Flanges JIS SUS 321 Nipolet Flanges EN X6Crniti18-10 Nipolet Flanges
ASTM A182 Stainless Steel 321 Reducing Flanges S32100 Stainless Steel class 300# Reducing Flanges	SS 321 class 150# Reducing Flanges SS 321 Reducing Flanges Werkstoff Nr. 1.4541 Reducing Flanges	UNS S32100 Reducing Flanges JIS SUS 321 Reducing Flanges EN X6Crniti18-10 Reducing Flanges
ASTM A182 Stainless Steel 321 SORF Flanges S32100 Stainless Steel class 300# SORF Flanges	SS 321 class 150# SORF Flanges SS 321 SORF Flanges Werkstoff Nr. 1.4541 SORF Flanges	UNS S32100 SORF Flanges JIS SUS 321 SORF Flanges EN X6Crniti18-10 SORF Flanges
ASTM A182 Stainless Steel 321 Spacer Ring Flanges S32100 Stainless Steel class 300# Spacer Ring Flanges	SS 321 class 150# Spacer Ring Flanges SS 321 Spacer Ring Flanges Werkstoff Nr. 1.4541 Spacer Ring Flanges	UNS S32100 Spacer Ring Flanges JIS SUS 321 Spacer Ring Flanges EN X6Crniti18-10 Spacer Ring Flanges
ASTM A182 Stainless Steel 321 SWRF Flanges S32100 Stainless Steel class 300# SWRF Flanges	SS 321 class 150# SWRF Flanges SS 321 SWRF Flanges Werkstoff Nr. 1.4541 SWRF Flanges	UNS S32100 SWRF Flanges JIS SUS 321 SWRF Flanges EN X6Crniti18-10 SWRF Flanges
ASTM A182 Stainless Steel 321 Spectacle Flanges S32100 Stainless Steel class 300# Spectacle Flanges	SS 321 class 150# Spectacle Flanges SS 321 Spectacle Flanges Werkstoff Nr. 1.4541 Spectacle Flanges	UNS S32100 Spectacle Flanges JIS SUS 321 Spectacle Flanges EN X6Crniti18-10 Spectacle Flanges
ASTM A182 Stainless Steel 321 WNRF Flanges S32100 Stainless Steel class 300# WNRF Flanges	SS 321 class 150# WNRF Flanges SS 321 WNRF Flanges Werkstoff Nr. 1.4541 WNRF Flanges	UNS S32100 WNRF Flanges JIS SUS 321 WNRF Flanges EN X6Crniti18-10 WNRF Flanges
ASTM A182 Stainless Steel 321 Weldo Flanges S32100 Stainless Steel class 300# Weldo Flanges	SS 321 class 150# Weldo Flanges SS 321 Weldo Flanges Werkstoff Nr. 1.4541 Weldo Flanges	UNS S32100 Weldo Flanges JIS SUS 321 Weldo Flanges EN X6Crniti18-10 Weldo Flanges

Equivalent Grade :

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
SS 321	1.4541	S32100	SUS 321	X6CrNiTi18-10

Chemical Composition :

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 - 19.00	0.10 max	9.00 - 12.00	5(C+N) – 0.70 max

Dimensions of Stainless Steel 321 Flanges

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	WN Bore ID (WB)	Dia. Hub Base (HB)	Dia. of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
¹⁄₂	3.50	0.38	1.38	4	0.62	2.38	0.88	0.62	1.19	0.84	0.56	1.81
³⁄₄	3.88	0.44	1.69	4	0.62	2.75	1.09	0.82	1.50	1.05	0.56	2.00
1	4.25	0.50	2.00	4	0.62	3.12	1.36	1.05	1.94	1.32	0.62	2.12
1¹⁄₄	4.62	0.56	2.50	4	0.62	3.50	1.70	1.38	2.31	1.66	0.75	2.19
1¹⁄₂	5.00	0.62	2.88	4	0.62	3.88	1.95	1.61	2.56	1.90	0.81	2.38
2	6.00	0.69	3.62	4	0.75	4.75	2.44	2.07	3.06	2.38	0.94	2.44
2¹⁄₂	7.00	0.81	4.12	4	0.75	5.50	2.94	2.47	3.56	2.88	1.06	2.69
3	7.50	0.88	5.00	4	0.75	6.00	3.57	3.07	4.25	3.50	1.12	2.69
3¹⁄₂	8.50	0.88	5.50	8	0.75	7.00	4.07	3.55	4.81	4.00	1.19	2.75
4	9.00	0.88	6.19	8	0.75	7.50	4.57	4.03	5.31	4.50	1.25	2.94
5	10.00	0.88	7.31	8	0.88	8.50	5.66	5.05	6.44	5.56	1.38	3.44
6	11.00	0.94	8.50	8	0.88	9.50	6.72	6.07	7.56	6.63	1.50	3.44
8	13.50	1.06	10.62	8	0.88	11.75	8.72	7.98	9.69	8.63	1.69	3.94
10	16.00	1.12	12.75	12	1.00	14.25	10.88	10.02	12.00	10.75	1.88	3.94
12	19.00	1.19	15.00	12	1.00	17.00	12.88	12.00	14.38	12.75	2.12	4.44
14	21.00	1.31	16.25	12	1.12	18.75	14.14	13.25	15.75	14.00	2.19	4.94
16	23.50	1.38	18.50	16	1.12	21.25	16.16	15.25	18.00	16.00	2.44	4.94
18	25.00	1.50	21.00	16	1.25	22.75	18.18	17.25	19.88	18.00	2.62	5.44
20	27.50	1.62	23.00	20	1.25	25.00	20.20	19.25	22.00	20.00	2.81	5.62
22	29.50	1.75	25.25	20	1.38	27.25	22.22	21.25	24.25	22.00	3.07	5.82
24	32.00	1.81	27.25	20	1.38	29.50	24.25	23.25	26.12	24.00	3.19	5.94

Weight Chart of Stainless Steel 321 Flanges :

Standard	Class	Diameter	Bolt Circle Diameter	Number of Bolts	Bolt Size	Diameter of Bolt Hole
AS4087	PN14	95	67	4	M12	14
AS 2129	Table C	95	67	4	13	14
	Table D	95	67	4	13	14
	Table E	95	67	4	13	14
	Table F	95	67	4	13	14
	Table H	114	83	4	16	17
	Table J	114	83	4	16	17
ANSI B16.5	ANSI 150	89	60	4	13	16
	ANSI 300	95	67	4	13	16
	ANSI 600	95	67	4	13	16
	ANSI 900	121	83	4	19	22
	ANSI 1500	121	83	4	19	22
ISO 7005 (DIN)	PN6	80	55	4	M10	11
	PN10	95	65	4	M12	14
	PN16	95	65	4	M12	14
	PN20	90	60.5	4	M14	16
	PN25	95	65	4	M12	14
	PN40	95	65	4	M12	14

Duplex Stainless Steel Flange Pressure Rating :

Temp. ℃	Pressure-temperature rating for ASME B16.47 by class, bar
Temp. ℃	75	150	300	400	600	900
-29 to 38	10.0	20.0	51.7	68.9	103.4	155.1
50	9.8	19.5	51.7	68.9	103.4	155.1
100	8.8	17.7	50.7	67.5	101.3	152.0
150	7.9	15.8	45.9	61.2	91.9	137.8
200	6.9	13.8	42.7	56.9	85.3	128.0
250	6.0	12.1	40.5	53.9	80.9	121.4
300	5.1	10.2	38.9	51.8	77.7	116.6

Temp, ℃	Pressure-temperature rating for ASME B16.5 by class, bar
Temp, ℃	150	300	400	600	900	1500	2500
-29 to 38	20.0	51.7	68.9	103.4	155.1	258.6	430.9
50	19.5	51.7	68.9	103.4	155.1	258.6	430.9
100	17.7	50.7	67.5	101.3	152.0	253.3	422.2
150	15.8	45.9	61.2	91.9	137.8	229.6	382.7
200	13.8	42.7	56.9	85.3	128.0	213.3	355.4
250	12.1	40.5	53.9	80.9	121.4	202.3	337.2
300	10.2	38.9	51.8	77.7	116.6	194.3	323.8

Tolerance of Duplex Ss Flanges

Outside Diameter ≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm	Inside Diameter not applicable
Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm	Outside Diameter of Hub ≤ 12 = + 2.4 mm / – 1.6 mm \| ≥ 14 = ± 3.2 mm
Diameter of Counterbore not applicable	Drilling Bolt Circle = 1.6 mm \| Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. \| ≥ 3 = 1.6 mm max.
Thickness ≤ 18 = + 3.2 mm / – 0 \| ≥ 20 = + 4.8 mm / – 0	Length thru Hub ≤ 18 = + 3.2 mm / – 0.8 mm \| ≥ 20 = + 4.8 mm / – 1.6 mm

Prices of Stainless Steel 321 Flanges :

Plate Flange
US $ 5.58-5.88 / kg

Ring Joint Flange
US $ 0.5-20 / Piece

Tongue & Groove Flanges
US $ 5.06-6.39 / Piece

Reducing Flanges
US $ 1 - 3 / Piece

Threaded Flange
US $ 0.2-20 / Piece

Lap Joint Flange
US $ 1000 - 3000 / Ton

Long WN Flange
US $ 5 - 10 / Piece

Spectacle Blind Flange
US $ 1 - 7 / Piece

Slip On Flange
US $ 5 - 12 / Piece

Socket Weld Flange
US $0.5-1000 / Piece

Blind Flange
US $300-500 / Ton

Welding Neck Flange
US $1-900 / Piece

Raised Face Flange
US $0.5-1000 / Piece

Male & Female Flange
US $1-300 / Piece

Weldoflange
US $ 5.58-5.88 / kg

Puddle Flanges
US $ 0.5-20 / Piece

Spacer Flange
US $ 5.06-6.39 / Piece

High Hub Blind Flange
US $ 5 - 10 / Piece

Forged Flange
US $300-500 / Ton

Bleed Rings
US $0.5-1000 / Piece

Orifice Flange
US $ 0.2-20 / Piece

Square Flange
US $ 5 - 10 / Piece

Nipo flange
US $ 1000 - 3000 / Ton

Spade Flange
US $300-500 / Ton

Applications :

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.

Packaging Used By Us :

We ship our stainless steel metal products in industry leading packaging designed to ensure your order reaches its destination safely. We offer multiple packaging options to meet your specific requirements. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging. We pack our goods in numerous ways based on the products. We pack our products in multiple ways.

Testing Used By Us :

To specify the various physical and mechanical properties of the finished product, various tests, both destructive and nondestructive, are performed. Metallurgical, hardness, hardenability, tension, ductility, compression, fatigue, impact, wear, corrosion, creep, machinability, radiography, magnetic particle, ultrasonic, and eddy current are some of the major tests that are performed by quality control personnel. Metallurgical testing is used to determine the quality of steel by analyzing the microstructure of a sample under a microscope. A cross section of a sample is first highly polished and then examined at a magnification from 100-500 diameters. The microstructure of steel consists of grains of different compositions and sizes.

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Outside Diameter ≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm	Inside Diameter not applicable
Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm	Outside Diameter of Hub ≤ 12 = + 2.4 mm / – 1.6 mm \| ≥ 14 = ± 3.2 mm
Diameter of Counterbore not applicable	Drilling Bolt Circle = 1.6 mm \| Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. \| ≥ 3 = 1.6 mm max.
Thickness ≤ 18 = + 3.2 mm / – 0 \| ≥ 20 = + 4.8 mm / – 0	Length thru Hub ≤ 18 = + 3.2 mm / – 0.8 mm \| ≥ 20 = + 4.8 mm / – 1.6 mm

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