ISO 9001:2008 | OHSAS 18001:2007 | ISO 14000:2004
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MICROTECH STAINLESS STEEL CO. is specialized in manufacturing and supplying of Carbon Steel Flanges, Flanges in Stainless steel, alloy Steel & carbon Steel since 1991, we manufacture wide range of Carbon Steel Flanges such as Carbon Steel Slip On Flangess, Carbon Steel Slip On Flanges, Carbon Steel Weld Neck Flanges, Carbon Steel pipe end Caps, Carbon Steel Pipe Bends etc. as per International standard like ASME/ASTM/API, we are supplying & exporting Carbon Steel Flanges in seamless & welded both forms to more than 60 countries for over 2 decades, we have our dealers & distributors in Nigeria, Australia, Malaysia, Egypt, South Africa, Tanzania, Kenya, Mozambique, Angola, Gabon Germany, Turkey, France, United Kingdom, Italy, Netherlands, Iran , Iraq , Saudi Arabia, United Arab Emirates , Iisrael, Jordan, Oman, Kuwait, Qatar, Bahrain, Bangladesh, China, Indonesia, South Korea, Pakistan, Philippines, Singapore, Sri Lanka, Thailand, Vietnam, Brazil, Colombia, Argentina & United States of America, MICROTECH STAINLESS STEEL CO. is the only company in INDIA which is approved Manufacturer & supplier of Carbon Steel Flanges in 300 top companies worldwide. Few of them are ORPIC, NIORDC, Saudi Aramco, SABIC, PIDMCO, GASCO, KNPC, Indian Oil, BPCL, HPCL, NTPC, BARC & Indian Navy, MICROTECH STAINLESS STEEL CO. is ISO 9001:2008, ISO 14001, OHSAS 18001 Certified Company since 2006 & PED approved Manufacturer since 2008, MICROTECH STAINLESS STEEL CO. is India's 6th largest Manufacturer, supplier & exporter of Carbon Steel Flanges.
Infrastructure :
MICROTECH STAINLESS STEEL CO. is 6th largest Carbon Steel Flanges & Flanges manufacturers in INDIA. we have following latest automated machines to manufacture Carbon Steel Flanges : Induction Slip On Flanges Making Machines, Bulge Forming Machine, Pipe Bending Machine, Slip On Flanges Cold Forming Machine, Induction Slip On Flanges Machine, Hydraulic Pressing Machine, Slip On Flanges and Pipe Bending Machine, Beveling Machine, we have largest Four-Column Hydraulic Press in INDIA which is used for pipe bending, pipe fitting press forming, metal sheet stretching and pulling. MICROTECH STAINLESS STEEL CO. is INDIA's largest Engineering & Forging Company related to Petro-Chemical and Oil & Gas Industry.
| Products | Sizes |
| Flanges | 1/2'' NB to 14'' NB |
Carbon steel Flanges Range & Specification
| Grade/Specification | ASTM A105 / A350 LF2, ASME SA105, A694 – F42, F46, F52, F60, F65, F70, A36, A516 Gr. 70, 60 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | ½” to 36″ |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Type of Carbon steel Flanges | |
| Carbon steel Slip-On Flanges | Carbon steel Threaded Flanges |
| Carbon steel Weld Neck Flanges | Carbon steel Socket Weld Flanges |
| Carbon steel Blind Flanges | Carbon steel Reducing Flanges |
| Carbon steel Lap Joint Flanges | Carbon steel Plate Flanges |
Carbon steel Flanges Manufacturing Standards
- ASTM A182 – ASME SA182 – Standard Specification for Wrought Austenitic Carbon steel Piping Fittings
- ASME B16.9 – Factory-Made Wrought Flanges
- ASME B16.11 – Flanges, Socket – Welding and Threaded
- MSS SP-43 – Wrought and Fabricated Flange Fittings for Low Pressure, Corrosion Resistant Applications
- MSS SP-95 – Swage(d) Nipples and Bull Plugs
- BS3799 – Specification for Steel Flanges, screwed and Socket-welding for the petroleum industry
Carbon steel Fittings grades:
Carbon steel – ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L
- The material for forged Carbon steel flange conforms to ASME A182
- The dimensions for forged Carbon steel flange conform to ASME B16.11
Carbon steel Flanges :
ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Carbon Steel Flanges - Chemical Composition
| Element | Content (%) |
| Iron, Fe | Balance |
| Chromium, Cr | 18-20 |
| Nickel, Ni | 11-15 |
| Molybdenum, Mo | 3-4 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Phosphorous, P | 0.045 |
| Carbon, C | 0.03 |
| Sulfur, S | 0.03 |
Carbon Steel Flanges - Mechanical properties
| Properties | Metric | Imperial |
| Tensile strength | 595 MPa | 86300 psi |
| Yield strength | 260 MPa | 37700 psi |
| Modulus of elasticity | 200 GPa | 29000 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 55% | 55% |
| Hardness, Rockwell B | 85 | 85 |
