R V Industries, a leading manufacturer of flanges based in India, serves both domestic and international markets with a diverse product range. Our offerings include Weld Neck Flanges, Slip-On Flanges, Blind Flanges, Socket Weld Flanges, Threaded Flanges, and Lap Joint Flanges. We are committed to using premium-quality raw materials and conducting rigorous testing, including Corrosion Testing, Hardness Testing, Heat Testing, and Visual Inspections, to ensure the highest standards of quality.
As a prominent manufacturer, stockiest, and exporter, R V Industries provides a wide selection of flange grades such as Carbon Steel A105, Hastelloy C276, Stainless Steel, Hastelloy C22, and Titanium Grade 2. Our extensive inventory supports our role as a leading stockist with a robust global export network. We are PED (Pressure Equipment Directive) approved and issue Material Test Certificates (MTC) with the latest specifications. Our flanges are widely used in industries including Chemical, Power Generation, Oil & Gas, and Pharmaceuticals.
Standards, Grades and Specification of Flange
Specification of Flange with its Grades, Size and Dimension highlighted in the table below.
| Specification | |
|---|---|
| Types | Weld Neck, Slip On, Blind, Socket Weld, RTJ, Threaded, Lap Joint, AWWA Flange, Spade, Spacer, Spectacle, Groove, Orifice & Tongue, etc. |
| Standards | ANSI B16.5 / B16.47 / B16.48 / AWWA / EN1092-1 / Custom Drawing |
| Dimension | ANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44 |
| Material | ASTM A105, ASME A105 ASTM A266 GR.1, GR.2, GR.3, GR.4 ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 |
| Class | 150#, 300#, 600#, 900#, 1500# & 2500# |
| Size | ½” (15 NB) to 48” (1200 NB). |
| Wall Thickness | SCH.10, 20, 30, 40, 80, 120, 160, STD, XS, XXS. |
| Form | Flange – SWRF |
Available Types of Flanges
Different types of available Flange define below.
Chemical Composition of Flange
Chemical Composition of Flange with its Grades define in the table below.
| Chemical Composition | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | C | Mn | P | S | Si | Cr | Ni | Mo |
| 304* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/10.50 | - |
| 304L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/12.00 | - |
| 316* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
| 316L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
| 321 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 17.00/19.00 | 9.00/12.00 | 0.75/0.75 |
Mechanical Property of Flange
Mechanical Property of Flange with its Density, Tensile Strength and Elongation define in the table below.
| Mechanical Properties | ||||||
|---|---|---|---|---|---|---|
| Type | UNS | Tensile (ksi) min |
Yield (ksi) min |
Elongation min |
Hardness (Brinell) max |
Hardness (Rockwell B) max |
| 304* | S30400 | 75 | 30 | 40% in 2" | 183 | 88 |
| 304L* | S30403 | 70 | 30 | 40% in 2" | 183 | 88 |
| 316* | S31600 | 75 | 30 | 40% in 2" | 217 | 95 |
| 316L* | S31603 | 70 | 25 | 35% in 2" | 217 | 95 |
| 321 | S32100 | 75 | 30 | 40% in 2" | 183 | 88 |