Stainless Steel 316316L316H Flanges

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Stainless Steel 316316L316H Flanges Specification

Application
Chemical, Petrochemical, Power Plant, Oil & Gas, Water Treatment, Food Processing

Feature
Corrosion Resistant, Durable, High Strength

Dimension (L*W*H)
As per standard or custom requirements

Grade
316 / 316L / 316H

Purity
High Purity Stainless Steel

Product Type
Flange

Material
Stainless Steel 316, 316L, 316H

Standard
ASTM A182 / ASME SA182, ANSI, DIN, JIS, BS, EN, GOST

Shape
Round

Surface
Bright, Polished, Anti-rust oil

Connection
Welded / Screwed / Threaded / Socket Weld / Slip-on

Technics
Forged / Cast

Pressure
150# to 2500# (PN6-PN400)

Size
1/2 NB to 48 NB (DN15-DN1200)

Color
Silver

About Stainless Steel 316316L316H Flanges

What Are Specification Stainless Steel 316/316L/316H Flanges?

Specifications List	ASTM A182 / ASME SA182
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Size Chart	1/2 (15 NB) to 48 (1200NB)
ASTM Standards	ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc.
Standard s	ANSI, ASME, BS, DIN, EN etc.

Equivalent material Of Stainless Steel 316/316L/316H Flanges?

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316	1.4401 / 1.4436	S31600	SUS 316	316S31 / 316S33	-	Z7CND17-11-02	X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L	1.4404 / 1.4435	S31603	SUS 316L	316S11 / 316S13	03Ch17N14M3 / 03Ch17N14M2	Z3CND17-11-02 / Z3CND18-14-03	X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 316H	1.4401	S31609	-	-	-	-	-

Chemical Composition Of Stainless Steel 316/316L/316H Flanges?

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 316	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 20	-	8 11	-
SS 316L	0.035 max	2.0 max	1.0 max	0.045 max	0.03 max	18 20	-	8 13	-
SS 316H	0.10 max	2.0 max	0.75 max	0.045 max	0.03 max	18 20	-	8 10.5	-

Mechanical Properties Of Stainless Steel 316/316L/316H Flanges?

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 C (2550 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	35 %
8.0 g/cm3	1399 C (2550 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	35 %

Versatile Types and Configurations

Choose from an array of flange types such as Weld Neck, Slip On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, and Ring Type Joint to match your project specifications. Available face types include Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ), providing flexibility for different sealing requirements and industry standards.

Exceptional Performance and Durability

Crafted from high-purity Stainless Steel 316, 316L, and 316H, these flanges boast outstanding tensile strength (minimum 515 MPa) and elongation (minimum 30%). They are solution annealed, hot forged or machined, and delivered in customized packaging, ensuring reliable service in severe environments.

Applications Across Critical Industries

Engineered for robust use, these flanges serve the chemical, petrochemical, power plant, oil & gas, water treatment, and food processing industries. Their resistance to corrosive agents and wide operating temperature range make them the preferred choice for demanding environments.

FAQs of Stainless Steel 316316L316H Flanges:

Q: How are Stainless Steel 316/316L/316H flanges manufactured?

A: These flanges are produced using hot forging and machining processes, followed by solution annealing to enhance their strength, durability, and corrosion resistance. They are tailored to meet international standards, ensuring consistent quality for critical applications.

Q: What industries benefit most from using these stainless steel flanges?

A: Industries such as chemical processing, oil & gas, water treatment, power generation, and food processing commonly use these flanges due to their excellent corrosion resistance and ability to withstand extreme temperatures.

Q: When should I choose 316, 316L, or 316H grade flanges?

A: Select the grade based on your projects requirements: 316 offers standard strength and corrosion resistance, 316L is preferred for its low carbon content and enhanced weldability, and 316H is suitable for high-temperature applications due to its higher carbon content.

Q: Where can these flanges be installed?

A: These stainless steel flanges can be safely installed in pipelines, pressure vessels, and process equipment where secure, leak-proof connections are critical, especially in harsh or corrosive environments.

Q: What types of connections and pressure ratings are available?

A: You can choose from butt weld, socket weld, threaded, slip-on, and welded connections. Pressure ratings range from 150# to 2500# (PN6 to PN400), accommodating a broad range of system requirements.

Q: How do these flanges ensure safety in acidic or chloride-rich environments?

A: Thanks to the superior corrosion resistance of 316 series stainless steels, these flanges prevent failures and maintain integrity even under aggressive chemical or saline conditions, minimizing risk and maximizing service life.

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