What materials are commonly used to manufacture blind flanges?

Blind flanges are commonly manufactured from carbon steel, stainless steel, alloy steel, nickel alloys, and sometimes non ferrous metals like aluminum or brass, depending on the application and environmental conditions.

What are the standard sizes and pressure ratings available for blind flanges?

Blind flanges are available in sizes from 1/2” to 60” with pressure ratings ranging from Class 150 to Class 2500, depending on material and application requirements.

What are the key mechanical properties of blind flanges?

The key mechanical properties of blind flanges include high tensile and yield strength, good toughness, excellent pressure and temperature resistance, and durability against corrosion and wear, making them suitable for sealing pipe ends in industrial systems.

Blind Flanges Supplier In Saudi Arabia | Astm A105, Astm A182 F304/f316 & Astm A350 Lf2

Name: Blind Flanges Supplier In Saudi Arabia | Astm A105, Astm A182 F304/f316 & Astm A350 Lf2
Brand: Hirvijay Flange
Availability: InStock
Rating: 4 (5 reviews)

$1.50 - $2.50

Minimum Order : 150 piece

Customization as per requirements

Specification Details
Flanges Types	Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint
Class	150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160
Size	1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
Type	Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove

Blind Flanges Supplier in Saudi Arabia Supplying Carbon Steel, Stainless Steel & Alloy Steel Blind Flanges

Hirvijay Flange is a major Blind Flanges Supplier in Saudi Arabia that was established with the aim of providing high quality flange solutions which are applicable in sealing the ends of pipelines in industrial piping systems. Blind Flanges are discs that are solid and are used in sealing off parts of the pipelines or valve or the openings of the pressure vessels. They are usually assembled in areas that may require further development, upkeep or re-examination. The flanges are commonly applied in oil and gas, petrochemical plants, power generation plants and water treatment systems as they possess a high sealing ability and spectacular resistance to pressure.

B2B marketplaces are often used by the industrial procurement teams as reliable suppliers of piping components, with certified materials and reliable supply of piping components on large engineering projects. Flanges are considered important in pipeline assemblies where they are used to join pipes and equipment and also to give easy disassembly in case of maintenance activities. Blind Flanges find their use especially with the pressure testing of pipeline, and isolating parts of a pipeline system during repair or alteration work.

There are different flange types that are in use based on the nature of piping needs of the system. Slip On Flanges are unproblematic to install since they slide over the pipe and are welded in position, and hence they are ideal in low to medium pressure systems. At the same time, the Weld Neck Flanges have a long tapered hub that spreads the stress evenly throughout the pipe and thus they are suitable in high-pressure and high-temperature conditions. Suppliers who are a reputed Blind Flanges Dealer In Saudi Arabia offer a broad range of flange sizes, pressure rating and grades of materials that can be used in challenging industrial applications.

Material & Grades of Blind Flanges

Blind Flanges are manufactured using various materials and grades to ensure durability, corrosion resistance, and strong mechanical performance. Selecting the right material helps maintain safety and reliability in critical pipeline systems operating under extreme conditions.

Material	Grade / Standard	Specification	Type	Applications
Carbon Steel	ASTM A105	ASTM	Blind Flange	Oil & Gas pipelines
Stainless Steel	ASTM A182 F304	ASTM	Blind Flange	Chemical processing
Stainless Steel	ASTM A182 F316	ASTM	Blind Flange	Petrochemical plants
Alloy Steel	ASTM A182 F11	ASTM	Blind Flange	Power generation
Duplex Steel	ASTM A182 F51	ASTM	Blind Flange	Offshore pipelines

Key Features & Advantages

Strong and leak-proof pipeline sealing
Excellent pressure and temperature resistance
Durable construction for heavy industrial use
Easy installation and removal for maintenance
Suitable for pipeline isolation and pressure testing
Available in multiple materials and pressure ratings
Long service life in demanding environments

Chemical Composition (Example: Stainless Steel 316)

Element	Percentage (%)
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	10.0 – 14.0
Molybdenum (Mo)	2.0 – 3.0
Carbon (C)	0.08 max
Manganese (Mn)	2.0 max
Silicon (Si)	1.0 max
Iron (Fe)	Balance

Mechanical Properties (Example: SS 316 Blind Flanges)

Property	Value
Tensile Strength	515 MPa (min)
Yield Strength	205 MPa (min)
Elongation	40% (min)
Hardness	217 HB (max)

Equivalent Grade

Standard	Grade
ASTM	A182 F316
UNS	S31600
EN	1.4401
DIN	X5CrNiMo17-12-2

Type of Sub-products

Carbon Steel Blind Flanges Manufacturer In India
Carbon Steel Blind Flanges Manufacturer In India
Carbon Steel Blind Flanges are robust and durable flanges designed to seal the ends of pipes, valves, and equipment in various industrial systems. Made from high quality carbon steel, these flanges offer excellent strength, pressure resistance, and reliability in high temperature and high pressure environments. They are widely used in oil & gas, petrochemical, and power generation industries to provide a secure closure and prevent leakage.
Copper Nickel Blind Flanges Manufacturer In India
Copper Nickel Blind Flanges Manufacturer In India
Copper Nickel Blind Flanges are durable and corrosion resistant flanges designed to seal the ends of piping systems effectively. Made from high quality copper nickel alloys, these flanges offer excellent resistance to seawater, chemical corrosion, and high pressure environments, making them ideal for marine, oil & gas, and industrial applications. Their precise dimensions and robust construction ensure reliable performance in blocking pipe flow or isolating equipment for maintenance.