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  • Specialized in

    SS Pipe Fittings

    Largest Stockholder of Stainless Steel fittings make of ERNE fittings, BENKAN, Raccortubi, Interfit, ULMA etc.
  • Specialized Manufacturer in India

    Client's Requirements

    304 & 316 Stainless steel flanges for Oil & Gas industry

Buttweld Pipe Fittings and Flanges Manufacturer in India

We are one of the leading Industrial Pipe Fittings and Flanges manufacturer in India and
we produce all different standards and specifications of fittings and flanges in different grades of materials.
Mild Steel Flanges

Mild Steel Flanges

All types of Flanges such as SORF, BLRF, WNRF in Various Pressure Classes.
Carbon Steel Pipe Fittings

Carbon Steel Pipe Fittings

We Manufacture Fittings like 45 and 90° Elbow, Reducers, Tees in A234 WPB, A420 WPL6 Grades.
Stainless Steel Blind Flange

Stainless Steel Blind Flange

All our SS Flanges meets JIS Standard 5K-63K dimensions. Also EN, UNI Dimensions are available.

All Forged Flanges comes with Material test Certificate and Steel fittings with Heat number

Call for NDT test reports of our Seamless and Welded Fittings in Stainless, Carbon and Alloy Steel

What We Offer

  •  Material Testing Report
  •  NDT Testing Report
  •  Hydraulic Pressure Testing Report

Specialist in low alloy carbon steel fittings and flanges for oil and gas pipelines Since 2002


ASTM A234 WP11 Pipe Fittings

ASTM A234 WP11 Pipe Fittings

The ASTM A234 specification ranges from ½ inches diameter to 24 inches. There are different schedules in these pipes starting from Schedule 5 to Schedule XXS. Alloy steel wp11 Buttweld fittings where the welding is easy to handle. Also, the buttweld fitting are stronger.

Manufacturing Process

  • 1High-Quality PipeCutting
  • 2Forming andHeat Treatment
  • 3Machining andFinal Product
ASTM A105 Flange

ASTM A105 Flange

ASTM A105 Flange is a forged carbon steel flange used in piping systems for high temperature services and ambient temperature services in different pressure conditions. Carbon Steel SA105N Flange is a low cost version that is durable and is also made up of carbon steel with applications ranging from ambient to high temperature services.

Manufacturing Process

  • 1HeatingRaw Material
  • 2Forging andMarking
  • 3Drilling, Heat treatmentWashing and Final Product
Stainless Steel 316 Pipe Fittings

Stainless Steel 316 Pipe Fittings

Stainless Steel 316 Pipe Fittings are made up of the 316 austenitic chromium nickel molybdenum alloy. The 316 stainless steel reducer is good to be used in water, marine and sea water applications to reduce the size of a pipe line.

Manufacturing Process

  • 1High-Quality PipeCutting
  • 2Forming andHeat Treatment
  • 3Machining andFinal Product

Our Other Products

Check our list of projects in petrochemical and LNG sector before you purchase Fittings and Flanges for High pressure Application

Sunmax Steel & Engg. Co. is a famous manufacturer of Buttweld pipe fittings and Forged flanges. We are proud to announce that more than 90% of our customers are our repeat customers and have been associated with us for more than 10 years because of our prime quality and tested products on various temperatures and pressure.

We produce ASME b16.9 Elbows, Tee, Reducer and ANSI B16.5 Flanges in custom sizes as per drawings

Our registered office is located in Mumbai which is the financial capital of India and the factory is in Gujarat. Our factory is equipped with the latest technologies and machineries like Optical Emission Spectrometer, Ultrasonic Flow Detector, Hardness Testing Machines, Ultrasonic Thickness Gauges, Hot and cold forming machines, eclectic furnaces and Pipe bending Machines. We invite you to visit our factory to know more about our quality standards.

Our Clients