MECHANICAL COMPOSITION

Use :

MECHANICAL PROPERTIES

Grade

Tensile
Strength Mpa, (Min)

Yield
Strength 
Mpa, (Min)

%Age
Elongation
in 50mm
gauge length min

Hardness (Max)

BHN

Rb

301

515

205

40

217

95

304

515

205

40

201

92

304L

485

170

40

201

92

310S

515

205

40

217

95

316

515

205

40

217

95

316L

485

170

40

217

95

317

515

205

35

217

95

317L

515

205

40

217

95

321

515

205

40

217

95

347

515

205

40

201

92

409

380

170

20

179

88

409M

430

275

20

187

90

410S

415

205

22

183

89

410

450

205

20

217

89

420

700( max )

15

217

95

430

450

205

22

183

89

JSL AUS

515

205

40

217

95

JS- 203

515

205

40

217

95

301M

515

205

40

217

95

Specialized Products

Tirupati Enterprises – Leading Manufacturer & Exporter of Stainless Steel Flanges and Fittings

Tirupati Enterprises specializes in the manufacturing and supply of Stainless Steel Flanges, Pipe Fittings, Forged Fittings, Butt Weld Fittings, and other carbon and alloy steel products. Since 1991, we have been delivering high-quality industrial flanges and fittings, catering to global standards such as ASME, ASTM, and API.

Our Extensive Range of Stainless Steel Flanges Includes:
  • SS Slip-On Flange
  • SS Welding Neck Flange
  • SS Blind Flange
  • SS Socket Weld Flange
  • SS Plate Flange
  • SS Collar Flange
  • SS Threaded Flange

We manufacture and export seamless and welded stainless steel flanges to over 60 countries, serving industries across:

Nigeria, Australia, Malaysia, Egypt, South Africa, Kenya, Germany, Turkey, France, the UK, Italy, the Netherlands, Iran, Iraq, Saudi Arabia, UAE, Israel, Jordan, Oman, Kuwait, Qatar, Bahrain, China, Indonesia, South Korea, Pakistan, Singapore, Brazil, Argentina, and the USA.

Global Recognition & Certifications

Tirupati Enterprises is an ISO 9001:2008, ISO 14001, OHSAS 18001 certified company since 2006 and a PED-approved manufacturer since 2008. We are among India's top manufacturers and suppliers of industrial flanges, with approvals from leading global companies, including:

  • Saudi Aramco
  • SABIC
  • Indian Oil
  • BPCL & HPCL
  • NTPC & BARC
  • Indian Navy
Manufacturing Capabilities & Technical Expertise

We manufacture and export pipe flanges ranging from ½” to 200” with pressure ratings of 150 lbs to 3000 lbs, covering a wide spectrum of carbon steel, stainless steel, and alloy steel flanges. Our expertise includes flanges compliant with ANSI, API, MSS, AWWA, DIN, JIS, BS, and GB standards.

Additionally, we specialize in custom ring flanges and precision-engineered forgings as per client specifications. Our production facility ensures stringent quality control, delivering products tailored to petrochemical, chemical, and waterworks industries.

Comprehensive Product Range
  • Weld Neck Flanges
  • Slip-On Flanges
  • Blind Flanges
  • Threaded Flanges
  • Socket Weld Flanges
  • Lap Joint Flanges
  • Orifice Flanges

📏 Sizes: ½” to 198”

Before purchasing ANSI, API, AWWA pipe flanges, compare our prices and experience the superior quality that makes Tirupati Enterprises a global leader in stainless steel and alloy steel manufacturing.