About Us

About Us

RIDDHI METAL CORPORATION was found by a group of experienced specialists having 20 years of expertise in product development, designing, production, management and quality controls. We have our state of the art manufacturing. As professional and specialist we are engaged in manufacturing and exporter of Stainless Steel, Stainless Steel and High Nickel Alloys in form of Pipes and Fittings. We have approximately 300+ tons inventory of Pipes and Sheet, Coils and Plates.

Our products are made from superior quality raw material and are available in customized designs to suit different requirements of the clients. Our contemporary technology and constant efforts to acquire new skills to enhance production is the secret of our success and impeccable quality.


We help customers to develop their energy resources and to deliver more value while increasing the returns from our most precious assets.


Our mission is to give custom administration, on-time conveyance, quality craftsmanship to meets or exceeds client's expectation.


We contribute to the efficiency of our quality system in every aspect of our business. Our commitment guarantees to provide our clients with uncompromising services.


Our quality control team combines technical expertise, knowledge of industrial standards and the latest inspection tools and machines to meet all requirements.

Areas Of Application

Sr. No. Process Operation Quality Characteristics Method Of Control
1 Raw Material (Strip) 1> Dimensions
2> Chemical analysis
3> Control of Slit which within specified limits
4> Surface
Actual measurement as per Std.
Analysis of all elements as per Std
Testing as per various Std.
Measurement of width, thickness & recording visual inspection.
2 Tube Mill (GTAW Type) 1> Weld Test, Flare Flanges, Flattering Reverse bend & Reverse Flattening.
2> Inspection of weld, seam
3> Dimensions
4> Surface
Testing as per ASTM specification & recording the result. One test for every 30 to 35 Mtrs. Visual inspection weld zone. O.D. , Thickness & Length.
Check roller surface profile& finish.
3 Solutions Annealing (At Min. 1040 C)
With continuous water quenching.
1> Temperature
2> Hardness
3> Micrometer
Automatic Relay Temp / Controller Adjusted to present level. Measurement of hardness as per Std. one Test / Lot / Heat
4 Straightening Straightness OD Surface Finish Adjust roller setting measure visual
5 Cutting Square cut Length Right angle to length, visual
6 Deburing Burs removel On OD and ID Edges Visual
7 Chemical Treatment
a) Pickling
b) Passivation
c) Bath
One Test / Bath Day
One Test / Bath Day
8 Hydrostatic Pressure Test Test Pressure 100 % Inspection at test pressure specified as per ASTM Std.
9 Final Inspection IGC Test Dimensions Surface Physical Testing
Grade Check
Product Analysis
As per standard 100 % inspection of Dimensions as specified.
Visual Inspection for surface defects, Physical Testing and Chemical analysis as per ASTM standards.
10 Marketing Marking as per Std. Check for proper marking
11 Packing Seaworphy Packing / Wooden Cart Check for packing, Quantity, shipping mark,

Our Manufacturing Process

stainless steel pipe tubes production flow chart
manufacturing process

Why Choose Us

Quality Assurance & Testing & Inspection

Integrated Design & Production


Hundreds of Client's Testimonials

Third Party Inspection