Ismail Flanges, Jakarta, Indonesia, is a reliable Carbon Steel A36 Flanges manufacturer and supplier that delivers affordable and long-lasting flange solutions for various industrial applications. Produced to international standards like ASTM A36, ASME, and ANSI, these flanges are ideal for low-pressure and general structural purposes. Respected for their high weldability and formability, A36 flanges are an integral part of construction, fabrication, water lines, and utility piping systems. Ismail Flanges makes sure that every flange provides uniform quality, precise dimensions, and reliable performance in structural and fluid handling systems.
Carbon Steel A36 Flanges consist of low carbon steel, generally containing 0.26% carbon, 0.60–0.90% manganese, and trace contaminants such as phosphorus and sulfur. They have good mechanical properties with a yield strength of at least 250 MPa and tensile strength of 400–550 MPa. A36 flanges are easy to fabricate, possess great machinability, and can be welded without preheating. Although they are not recommended for very high-pressure or heavily corrosive services, they are stable in ambient and moderate service conditions.
| Standards | ANSI/ASME B16.5, EN Flanges, BS 10, B16.47 Series A & B, EN-1092, ASME Flanges, BS Flanges, B16.48, DIN, DIN Flanges, GOST Flanges, ANSI Flanges, BS4504. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Production technique | Forged, Heat treated and machined |
|
Special design |
As per your drawing |
| AS, ANSI, BS, DIN and JIS | |
| 15 NB (1/2″) to 200 NB (8″) | |
| Equal and Reducing Configurations | |
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Small Tongue, Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Flat Face (FF), Large Tongue & Groove, Large Male-Female (LMF). |
| Largest Bore Diameter Sizes | NPS ≤ 10 |
| Minimum & Maximum Size | 1/2″ To 48″ |
| Origin | Indian / Japan / Korean / West Europe / USA |
| JIS Standard | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| A182 Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
|
Test Certificates |
EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc. | |
| Application | Gas, Power, Chemical, Metallurgy, Petroleum, Shipbuilding, Construction etc. |
| Grade | C | Si | Mn | P | S | Mo | Ni | Cr | Cu | V |
| A36 | 0.25 max | 0.40 max | 0.80 – 1.20 | 0.040 max | 0.050 max | – | – | – | – | – |
| Grade | Yield Strength ReH N/mm2 | Tensile Strength Rm N/mm2 | Elongation ( A ) | Impact Test ( J ) |
| A36 | 250 min | 400 – 550 | 20% min | – |
Ismail Flanges, a leading supplier in Indonesia, Jakarta, offers an extensive selection of Carbon Steel A36 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
They are usually applied to structural supports, general piping, HVAC, building frameworks, and low-pressure air or water pipes. They are best suited for non-critical infrastructure, agricultural, mechanical, and fabrication applications due to their easy design, installability, and cost-effectiveness. Carbon Steel A36 Flanges are highly preferred for utility applications and light industrial applications where corrosion resistance is not a major factor but strength, reliability, and ease of construction are important.
Yes, we offer custom sizes for Carbon Steel A36 Flanges to meet specific project needs. Our team at Ismail Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ismailflanges.id.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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