Phanuphong Steel and Plates, located in the vibrant city of Bangkok, Thailand, stands out as a top-notch manufacturer and supplier of Carbon Steel Slip On Flanges. They’re all about delivering high-quality flange solutions that cater to a variety of piping systems. Known for their impressive strength, durability, and precision, these flanges are crafted to meet international standards, ensuring they perform reliably in any situation. Phanuphong Steel and Plates takes pride in their rigorous quality control, precise dimensions, and prompt delivery, serving key industries like oil and gas, petrochemical, construction, and power generation. Their Carbon Steel Slip On Flanges are built to handle high pressure, temperature changes, and corrosive environments, making them a long-lasting and cost-effective choice for critical industrial applications.
These flanges are primarily composed of iron and carbon, with carefully controlled amounts of manganese, silicon, and small traces of sulfur and phosphorus. This specific blend strikes a perfect balance between strength, hardness, and ductility. On a mechanical level, these flanges boast high tensile strength, excellent impact resistance, and impressive load-bearing capacity. Their design facilitates easy welding to piping systems while ensuring structural integrity remains intact. With great machinability and durability, Carbon Steel Slip On Flanges deliver reliable performance even under high-pressure and high-temperature conditions, making them a go-to option for demanding industrial and engineering tasks.
| Specification | ASTM A694 / ASME SA105 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MCarbon S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| PRESSURE Rating ANSI | Class 150 LBS, 300 LBS, a105 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| PRESSURE Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Precarbon-steel machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI FlangeB.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MCarbon SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MCarbon SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MCarbon SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A694 Lf2 Carbon Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Carbon Steel a105, Lf2, f42, f52, f56, f60, f65, f70, f80, A36, IS2062 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phanuphong Steel is one of the most prominent manufacturers and suppliers of superior quality Carbon Steel Slip On Flanges in Bangkok, Thailand. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications.
| ASME/ANSI B 16.5 | Slip on Flange |
| PRESSURE CLASS | 150, 300, a105, a105, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, a105, a105, 900 |
| ASME/ANSI B 16.36 | Slip on Flange |
| PRESSURE CLASS | 300, a105, a105, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN a105 |
| BS 1560 BOCarbon | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, a105, a105, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Bocarbon-steel Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
You’ll find Carbon Steel Slip On Flanges widely utilized across various industries where secure and durable piping connections are a must. In the oil and gas sector, they’re essential for pipelines that transport crude oil, natural gas, and refined products. Petrochemical and chemical plants rely on them for process piping systems that operate under high pressure and temperature. The construction and power generation industries use these flanges in water supply, steam, and heat transfer systems. Plus, they’re also found in shipbuilding, manufacturing, and general engineering projects, providing leak-free connections, straightforward installation, and long-term reliability.
Phanuphong Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Bangkok, Thailand.
Copyright 2025 Phanuphong Steel. All rights reserved