Manilaxmi Industrial is renowned for manufacturing and supplying top-quality SS 304 and 304L flanges, crafted from superior raw materials. Our production process employs state-of-the-art technology and modern tools, ensuring that our products meet and exceed customer expectations. Our dedicated team of experts works tirelessly to maintain high-quality standards, ensuring that our flanges are not only robust but also highly reliable.

Exceptional Quality and Standards

Our SS 304 and 304L flanges exhibit remarkable properties such as high versatility, excellent pitting resistance, exceptional durability, and the ability to withstand high temperatures and stress corrosion cracking. These qualities make them ideal for a wide range of applications across various industries. To guarantee the quality of our products, we conduct rigorous testing, including PMI, IGC, hardness, mechanical, chemical, and pitting resistance tests.

Specifications and Standards

  • Specifications: ASTM A182 / ASME SA182
  • Dimensions: ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
  • Size Range: 1/2" (15 NB) to 48" (1200 NB)
  • Class/Pressure Ratings: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64, etc.
  • Flange Face Types: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
  • Forms: Slip-on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded/Screwed flange, Tongue and Groove flange, Long weld neck flange, Plate flange, Flat Face flanges, ASME B16.5 flanges.

Equivalent Grades of ASME SA182 Stainless Steel 304/304L Flanges

STANDARD

WERKSTOFF NR.

UNS

JIS

BS

GOST

AFNOR

EN

SS 304

1.4301

S30400

SUS 304

304S31

08Х18Н10

Z7CN18‐09

X5CrNi18-10

SS 304L

1.4306 / 1.4307

S30403

SUS 304L

3304S11

03Х18Н11

Z3CN18‐10

X2CrNi18-9 / X2CrNi19-11

Chemical and Mechanical Properties of SS 304/304L Flanges

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

SS 304

0.08 max

2 max

0.75 max

0.045 max

0.030 max

18 – 20

-

8 – 11

-

SS 304L

0.035 max

2 max

1.0 max

0.045 max

0.03 max

18 – 20

-

8 – 13

-

Mechanical Properties

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

Comprehensive Testing for Assured Quality

To ensure the flanges are free from defects, we conduct a series of mandatory tests such as the PMI test, IGC test, flattening/releasing test, hardness test, mechanical/chemical test, and pitting resistance test. This rigorous testing protocol ensures that every product meets our high standards of quality.

Global Export Network

Manilaxmi Industrial exports SS 304 and 304L flanges globally, covering regions including:

  • India: Mumbai, Raipur, Bhopal, Bikaner, Pune, Chennai, Vadodara, and more.
  • International Markets: Bahrain, Kuwait, Dubai, Iraq, Oman, Qatar, Saudi Arabia, UAE, Philippines, Vietnam, USA, Brazil, South Korea, Turkey, and many others.

Contact Us

For more information about our products and services, please reach out to us:

By maintaining a consistent focus on quality and customer satisfaction, Manilaxmi Industrial continues to be a trusted name in the industry for SS 304 and 304L flanges. Our commitment to excellence and adherence to stringent quality control measures ensure that our products are among the best in the market, meeting both national and international standards.