Steelveron

Overview

Steelvron is a trusted Stainless Steel Flanges Supplier, Manufacturer, and Exporter, delivering premium-quality flanges that offer excellent corrosion resistance, superior mechanical strength, and long-term durability. Widely used in chemical, food, and pharmaceutical industries, Stainless Steel Flanges are known for their outstanding ability to perform in both moderate and harsh environments, including those exposed to acids, alkalis, seawater, and extreme temperatures.

As a leading Stainless Steel Flanges Supplier, Steelvron provides a complete range of flanges across various stainless steel grades, including SS 304/304L/304H, SS 309/310/310S, SS 316/316L/316Ti, SS 317/317L, SS 321/321H, SS 347/347H, and SS 904L. These grades are carefully selected to meet industry-specific requirements ranging from general corrosion resistance to high-temperature stability.

Our Stainless Steel Flanges are manufactured according to international standards such as ASTM, ASME, DIN, EN, and JIS. Each flange is precision-engineered with accurate dimensions, superior surface finish, and robust mechanical properties. With a wide range of flange types such as Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, and Long Weld Neck, Steelvron ensures reliable performance across industries including oil & gas, petrochemicals, pharmaceuticals, food processing, and power generation.

Technical Specifications of Stainless Steel Flanges

Standards:

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

Grades Available:

SS 304/304L/304H, 309/310/310S, 316/316L/316Ti, 317/317L, 321/321H, 347/347H, 904L

Size Range:

½” (15 NB) to 48” (1200 NB)

Pressure Ratings:

Class 150 to 2500

Face Type:

Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

Finish:

CNC Machined, Smooth Finish, Polished

Forms:

Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Long Weld Neck

Chemical Properties Of Stainless Steel Flanges

Grade	C (max)	Mn (max)	Si (max)	P (max)	S (max)	Cr	Ni	Mo	N (max)
SS 304/304L	0.08/0.03	2.0	0.75	0.045	0.03	18–20	8–12	–	0.10
SS 310/310S	0.25/0.08	2.0	1.5	0.045	0.03	24–26	19–22	–	0.10
SS 316/316L	0.08/0.03	2.0	0.75	0.045	0.03	16–18	10–14	2–3	0.10
SS 317/317L	0.08/0.03	2.0	0.75	0.045	0.03	18–20	11–15	3–4	0.10
SS 321/321H	0.08/0.10	2.0	0.75	0.045	0.03	17–19	9–13	–	0.10
SS 347/347H	0.08/0.10	2.0	0.75	0.045	0.03	17–19	9–13	–	0.10
SS 904L	0.02	2.0	1.0	0.045	0.03	19–23	23–28	4–5	0.10

Physical Properties of Stainless Steel Flanges

Property

SS 304/304L

SS 310/310S

SS 316/316L

SS 317/317L

SS 321/321H

SS 347/347H

SS 904L

Density (g/cm³)

8.0

7.9

8.0

8.0

8.0

7.9

8.0

Melting Point (°C)

1400–1450

1390–1450

1375–1400

1370–1400

1380–1420

1380–1420

1350–1390

Tensile Strength (MPa)

515–750

520–760

515–750

515–750

515–750

515–750

490–710

Yield Strength (0.2% Proof, MPa)

205–310

210–320

205–310

205–310

205–310

205–310

220–240

Elongation (%)

35–45

40

35–45

35–45

35–45

35–45

35

Hardness (Brinell HB)

150–200

150–200

150–200

150–200

150–200

150–200

170–190

Mechanical Properties Of Stainless Steel Flanges

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
SS 304/304L	515–750	205–310	35–45
SS 310/310S	520–760	210–320	40
SS 316/316L	515–750	205–310	35–45
SS 317/317L	515–750	205–310	35–45
SS 321/321H	515–750	205–310	35–45
SS 347/347H	515–750	205–310	35–45
SS 904L	490–710	220–240	35

Types Of Stainless Steel Flanges We Offer

Stainless Steel Weld Neck Flanges

Stainless Steel Slip On Flanges

Stainless Steel Blind Flanges

Stainless Steel Socket Weld Flanges

Stainless Steel Threaded Flanges

Stainless Steel Lap Joint Flanges

Stainless Steel Spectacle Blind Flanges

Stainless Steel Reducing Flanges

Stainless Steel Orifice Flanges

Stainless Steel Ring Type Joint Flanges

Stainless Steel Square Flanges

Materials We Offer

Carbon Steel Flanges

Hastelloy Flanges

Hastelloy C22 / C276 Flanges

Monel Flanges

Monel 400/K500 Flanges

Inconel and Incoloy Flanges

Inconel 600/601/625/718 Flanges

Incoloy 800/800H/800HT/825 Flanges

Alloy 20 Flanges

FAQ

Your complete guide to understanding Steelvron’s products, materials, certifications, and industrial applications worldwide

Why choose Steelvron as your Stainless Steel Flanges Supplier?

Steelvron provides premium-quality Stainless Steel Flanges with corrosion resistance, durability, and compliance with global standards like ASTM, ASME, DIN, and JIS.

Which grades of Stainless Steel Flanges do you supply?

We supply SS 304/304L/304H, 309/310/310S, 316/316L/316Ti, 317/317L, 321/321H, 347/347H, and SS 904L.

What industries use Stainless Steel Flanges the most?

They are widely used in chemical, food, pharmaceutical, petrochemical, marine, and power generation industries.

What is the size range available for Stainless Steel Flanges?

½” (15 NB) to 48” (1200 NB).

Can Steelvron supply customized Stainless Steel Flanges?

Yes, flanges can be manufactured as per client drawings and specific requirements.

Why Choose Us?

Global Expertise

Trusted manufacturer, supplier, and exporter of Stainless Steel Flanges worldwide.

Complete Range

Comprehensive portfolio covering all Stainless Steel Flanges materials and types, ensuring broad compatibility.

Certified Quality

ISO-certified facilities ensure strict manufacturing and testing, delivering precision products consistently.

International Standards

Products meet ASME, ANSI, DIN, EN, BS, and JIS norms, ensuring acceptance.

Custom Solutions

Supplying standard and tailor-made Stainless Steel Flanges, crafted to match exact specifications.

Worldwide Reach

Exporting to 50+ countries with a proven record of client satisfaction.

Property	SS 304/304L	SS 310/310S	SS 316/316L	SS 317/317L	SS 321/321H	SS 347/347H	SS 904L
Density (g/cm³)	8.0	7.9	8.0	8.0	8.0	7.9	8.0
Melting Point (°C)	1400–1450	1390–1450	1375–1400	1370–1400	1380–1420	1380–1420	1350–1390
Tensile Strength (MPa)	515–750	520–760	515–750	515–750	515–750	515–750	490–710
Yield Strength (0.2% Proof, MPa)	205–310	210–320	205–310	205–310	205–310	205–310	220–240
Elongation (%)	35–45	40	35–45	35–45	35–45	35–45	35
Hardness (Brinell HB)	150–200	150–200	150–200	150–200	150–200	150–200	170–190

Enquire Now

Stainless Steel Flanges