Ramani Metals

Stainless Steel Pipes Overview

1. Description:
Stainless Steel Pipes are corrosion-resistant and high-strength pipes widely used in chemical, petrochemical, food, pharmaceutical, and marine industries. They are known for durability, aesthetic appeal, and resistance to high pressure and temperature.

2. Common Grades:

• SS 304 / 304L: General-purpose stainless steel with excellent corrosion resistance

• SS 316 / 316L: Superior corrosion resistance, especially in chloride environments

• SS 310 / 321 / 904L: High-temperature and chemical resistance

• Duplex & Super Duplex Stainless Steel: High strength and corrosion resistance

3. Manufacturing Types:

• Seamless Pipes

• Welded Pipes (ERW / SAW)

• Fabricated Pipes

4. Standards & Specifications:

• ASTM A312 / A213 / A778

• ASME SA312 / SA213 / SA778

• DIN 17456 / 17457 / EN 10216-5

5. Size Range:

• Outer Diameter: 6 mm to 600 mm

• Wall Thickness: 1 mm to 40 mm (custom thickness available)

• Length:

Stainless Steel Round Pipe is a durable and corrosion-resistant pipe used for structural and industrial applications. It offers high strength, smooth finish, and long-lasting performance.

Stainless Steel Dairy Fittings Overview

1. Common Types of SS Dairy Fittings:

• Union: Connects two pipes or tubes for easy cleaning and maintenance (SMS, DIN, IDF, RJT types).

• Elbow: Used to change direction of flow; available in 45° and 90° angles.

• Tee: Divides or combines fluid flow.

• Reducer: Connects tubes of different diameters (Concentric & Eccentric).

• Ferrule: Used to connect and seal tubes.

• TC Clamp (Tri-Clover Clamp): Provides leak-proof joints between ferrules.

• End Cap: Closes the end of a pipeline.

• Butterfly Valve: Controls flow in sanitary pipelines.

• Sight Glass: Allows visual inspection of product flow.

• Spray Ball: Used for cleaning-in-place (CIP) systems.

2. Standards & Specifications:

• SMS

Jindal Stainless Steel Coils are premium-quality coils known for excellent durability, corrosion resistance, and smooth finish. They are ideal for use in construction, automotive, and industrial manufacturing applications.

Stainless Steel Socket Weld Fittings are high-pressure forged fittings designed to join pipes by inserting the pipe into a recessed area of the fitting and welding around it. These fittings ensure leak-proof, smooth flow, and strong connections, commonly used in chemical plants, oil & gas, power plants, food & pharma, hydraulic & high-pressure applications.

• 90° Socket Weld Elbow

• 45° Socket Weld Elbow
  Used for directional change.

• Equal Tee

• Reducing Tee
  Used for branching flow.

• Full Coupling

• Half Coupling

• Reducing Coupling

Used for four-way connections.

Provide easy dismantling and maintenance.

Close the end of a pipeline.

Used for reducing female threads in piping.

For sealing pipe ends in high-pressure systems.

Available in various stainless steel grades:

• SS 304 / 304L

• SS 316 / 316L

• SS 310 / 321 / 347

• SS 904L

• Duplex & Super Duplex Steel

• Inconel, Monel, Hastelloy (on request)

• ASME B16.11

• ASTM A182 (Forged Stainless Steel)

• ANSI B16.5 Compatibility

• Pressure Ratings:

  • Class 3000

  • Class 6000

  • Class 9000

• 1/8" to 4"

• Custom sizes available on request.

• High-pressure and leak-proof design

• Smooth bore ensures better flow

• High mechanical strength

• Excellent corrosion resistance

• Suitable for high-temperature & hydraulic applications

• Easy installation & long service life

Stainless Steel Polished Pipes feature a smooth, mirror-like finish that enhances both appearance and corrosion resistance. They are commonly used in architectural, decorative, and sanitary applications for a premium look and durability.

Stainless Steel Pipe Fittings Overview

1. Common Types of SS Pipe Fittings:

• Elbow: Used to change the direction of flow, typically available in 45°, 90°, and 180° angles.

• Tee: Used to combine or divide fluid flow.

• Reducer: Connects pipes of different diameters (Concentric & Eccentric types).

• Coupling: Connects two pipes together.

• Union: Allows easy disconnection of pipes for maintenance.

• Nipple: A short piece of pipe used to connect two other fittings.

• Cap: Closes the end of a pipe.

• Plug: Used to close pipe openings, usually threaded.

• Cross: Connects four pipes at a single junction.

• Stub End: Used with lap joint flanges for easy alignment.

2. Grades of Stainless Steel Used:

• SS 304 / 304L

• SS 316 / 316L

• SS 310

• SS 321

• SS 904L

• Duplex & Super Duplex Stainless Steel

3. Manufacturing Types:

• Butt Weld Fittings

• Socket Weld Fittings

• Threaded Fittings

• Compression Fittings

• Ferrule Fittings

4. Standards & Specifications:

• ASTM A403 (Butt Weld)

• ASTM A182 (Forged Fittings)

• ASME B16.9 / B16.11 / B16.28

5. Applications:

• Chemical & Petrochemical Industry

• Food & Beverage Processing

• Oil & Gas Pipelines

• Water Treatment Plants

• Pharmaceutical Industry

• Marine & Offshore Applications

6. Surface Finish Options:

• Mirror Finish

• Matte Finish

• Electro-Polished

• Pickled & Passivated

7. Size Range:

• 1/8” NB to 48” NB and above

8. Connection Types:

• Threaded (BSP / NPT)

• Welded

• Flanged

9. Key Features:

• High corrosion resistance

• Easy to install

• High strength & durability

• Temperature & pressure resistant

Stainless Steel Forged Fittings Overview

1. Description:
Stainless Steel Forged Fittings are components used to connect pipes, valves, and equipment in high-pressure piping systems. Manufactured by forging stainless steel billets, these fittings offer superior mechanical strength, corrosion resistance, and durability.

2. Common Types of SS Forged Fittings:

• Elbow (45° & 90°): Changes the direction of flow.

• Tee: Divides or combines fluid flow.

• Cross: Connects four pipes at a junction.

• Coupling / Half Coupling: Connects two pipes or acts as an extension.

• Union: Enables easy disconnection of pipelines.

• Cap: Closes the end of a pipe.

• Plug: Used to close female threaded pipe ends.

• Bushing: Joins pipes of different sizes.

• Nipple: Small pipe length with male threads on both ends.

3. Manufacturing Classes:

• Class 2000 / 3000 / 6000 / 9000

4. Connection Types:

• Socket Weld (SW)

• Threaded (NPT / BSP)

5. Grades of Stainless Steel:

• SS 304 / 304L

• SS 316 / 316L

• SS 310 / 321

• SS 347 / 904L

• Duplex & Super Duplex Stainless Steel

6. Standards & Specifications:

• ASTM A182 / ASME SA182

• ASME B16.11 (Forged Fittings Dimensions)

• MSS-SP-79 / MSS-SP-83 / MSS-SP-95

7. Size Range:

• 1/8” NB to 4” NB

8. Surface Finish:

• Mirror / Bright Finish

• Pickled & Passivated

• Sand Blasted

9. Applications:

• Chemical & Petrochemical Plants

• Oil & Gas Industries

• Power Generation

• Marine & Offshore Systems

• Food & Beverage Processing

• Pharmaceutical Plants

10. Key Features:

• High pressure & temperature resistance

• Excellent corrosion and oxidation resistance

• Leak-proof connections

• Easy installation & maintenance

• Long service life

Hastelloy Pipe Overview

1. Description:
Hastelloy pipes are made from a family of nickel-molybdenum-chromium alloys with outstanding resistance to strong oxidizing and reducing agents. These pipes are designed for highly corrosive chemical environments and high-temperature service.

2. Common Hastelloy Grades:

• Hastelloy C22 (UNS N06022): Excellent resistance to oxidizing and reducing media; suitable for chemical processing.

• Hastelloy C276 (UNS N10276): Outstanding corrosion resistance in a wide range of severe environments.

• Hastelloy B2 (UNS N10665): Excellent resistance to hydrochloric acid and strong reducing agents.

3. Manufacturing Types:

• Seamless Pipes

• Welded Pipes

• ERW Pipes

• Fabricated Pipes

4. Standards & Specifications:

• ASTM B622 / B619 / B626

• ASME SB622 / SB619 / SB626

• ASTM B366 (for butt-weld fittings)

5. Size Range:

• Outer Diameter: 1/8" NB to 12" NB and above

• Wall Thickness: Sch 5S to Sch XXS / Custom

6. Mechanical & Chemical Properties (Typical for Hastelloy C276):

• Tensile Strength: ~760 MPa min

• Yield Strength: ~283 MPa min

• Elongation: 40% min

• Ni: Balance | Cr: 14.5–16.5% | Mo: 15–17% | Fe: 4–7% | W: 3–4.5%

7. Surface Finish:

• Annealed & Pickled

• Bright Annealed

• Polished / Mirror Finish

• Cold Drawn

8. Applications:

• Chemical & Petrochemical Processing

• Pulp & Paper Industry

• Marine & Offshore Engineering

• Power Generation Plants

• Pollution Control Equipment

• Pharmaceutical Industry

9. Key Features:

• Superior resistance to oxidizing and reducing environments

• Excellent weldability and formability

• Withstands strong acids (HCl, H2SO4, HNO3)

• High-temperature strength and corrosion resistance

• Long service life in extreme conditions