SS 347 flange manufacturer, ASTM A182 F347H blind flange

Obtain premium ASME/ASTM A182 F347/F347H socket weld flanges, ranging in sizes from 1/2" to 72" inches, ensuring top-notch quality for your industrial applications.

Stainless steel 347 and 347H flanges are engineered to withstand high temperatures and corrosive environments, making them ideal for a variety of industrial applications. With chemical compositions marked by S34700 and S34709, these flanges boast exceptional resistance to intergranular corrosion, ensuring longevity and reliability in demanding conditions. Their composition includes elements like chromium, nickel, and columbium, which enhance their durability and performance.

These flanges come in standardized dimensions, adhering to industry specifications for seamless integration into diverse systems. Ranging from 1/2" to 72" in size, they offer versatility in installation across different piping systems. Their class and pressure ratings are designed to meet stringent requirements, ensuring optimal performance under varying pressure conditions. Additionally, the flange face type is carefully chosen to facilitate secure sealing and efficient operation, whether in high-pressure environments or extreme temperatures.

SS 347 flanges supplier (S34700, 1.4550) | 347H (S34709, 1.4961) in different forms like weld neck and threaded raised face flange and flat face flange

347 Stainless steel flange specifications

Grades & Standards01

ASME SA182, ASTM A182, F347, F347H

Size range 02

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Connection Type 03

Flat Face, Raised Face, RTJ, Lap Joint, Male and Female (M&F), Large and Small Tongue-and-Groove

Dimensions 04

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API-605, ASA, AWWA, Custom Drawings

Material Test Certificates 05

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Pressure Rating06

Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
PN6, PN10, PN16, PN25, PN40, PN64

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Elevate Your Operations: Stainless Steel 347 Flanges, Long Weld Neck Flange, Blind Flange, Delivering Peak Performance

Explore our vast assortment of stainless steel 347 and 347H industrial flanges, encompassing diverse standards. Delve into comprehensive specifications, covering dimensions, weight charts, tolerance charts, and sizes for an extensive range of flange types, including WNRF, WNFF, LWN, RFLWN, SOFF, SORF, SWRF, BLFF, BLRF, THRF, LJFF, LJRF, FF, RF, RTJ, and Gi Flange.

SS 347H Flanges types

Stainless steel 347 Slip on Flange

ASTM A182 SS 347 Weld Neck Flange

SS 347H Blind Flange

SS 347H Socket Weld Flange

SS 347H Orifice Flange

Stainless Steel 347 RTJ Flange

stainless steel 347 Threaded Flange

SS 347H Lap Joint Flange

stainless steel 347 Spectacle Blind Flange

SS 347H Paddle Blind Flange

Stainless Steel 347 Ring Spacer Flange

Stainless Steel 347 Nipoflange

Stainless Steel 347 Weldoflange

SS 347 Tongue & Groove Flange

Buy SS 347 Flanges and SS 347H Ring Type Joint Flange, Orifice Flange With An Outer Diameter Of 19mm-102mm as per ASTM A182

Stainless steel 347H Flanges chemical composition

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 - 20.00	10xC – 1.10	9.00 - 13.00	62.74 min
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 - 19.00	8xC – 1.10	9.0 -13.0	63.72 min

Stainless steel 347 Flanges mechanical properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Stainless steel 347H Flanges equivalent

STANDARD	WERKSTOFF NR.	UNS	JIS	GOST	EN
SS 347	1.4550	S34700	SUS 347	08Ch18N12B	X6CrNiNb18-10
SS 347H	1.4961	S34709	SUS 347H	-	X6CrNiNb18-12

Exporter and Distributor of SS 347H Flanges and ASTM A182 F347H Lap Joint Flange, Spectacle Blind Flange to USA, Saudi Arabia, UAE, and Bahrain. Chemically stable and mechanically robust, stainless steel 347 and 347H flanges exhibit superior properties essential for critical applications. Their chemical makeup, including 1.4550 and 1.4961 compositions, guarantees resistance to corrosive agents, acids, and high temperatures. Furthermore, their mechanical properties ensure excellent tensile strength, ductility, and impact resistance, ensuring reliable performance even in harsh operating conditions. These qualities make stainless steel 347 and 347H flanges indispensable components in industries where reliability and longevity are paramount.

01 How do the different flange face types of Stainless Steel 347/347H flanges impact their sealing effectiveness?

Stainless Steel 347/347H flanges feature various flange face types, including Flat Face (FF), Raised Face (RF), and Ring Type Joint (RTJ). Each flange face type offers distinct sealing characteristics tailored to specific pressure and temperature requirements, ensuring reliable and leak-free performance in critical industrial applications.

02 What factors determine the class/pressure ratings assigned to Stainless Steel 347/347H flanges?

The class/pressure ratings of Stainless Steel 347/347H flanges are determined by their ability to withstand specific pressure levels under varying operating conditions. These flanges are engineered to meet standards such as 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64, and others, ensuring suitability for a wide range of industrial environments and applications.

03 How do the available size options of Stainless Steel 347/347H flanges accommodate industrial needs?

Stainless Steel 347/347H flanges are available in a comprehensive range of sizes, from 1/2" (15 NB) to 48" (1200 NB). This extensive size range caters to a diverse spectrum of industrial applications, providing solutions for piping systems of varying diameters and operating conditions.

04 Which international standards govern the manufacturing of Stainless Steel 347/347H flanges?

Stainless Steel 347/347H flanges conform meticulously to international standards set by ANSI, ASME, BS, DIN, EN, and other regulatory bodies. These standards ensure uniformity in design, fabrication, and performance, facilitating global acceptance and interoperability in industrial settings worldwide.

347 Stainless steel Flanges manufacturer