Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc.
The Korean KS B 1503 5K flange is a low-pressure class flange widely used in piping systems across industrial and commercial sectors. Manufactured in compliance with Korean Industrial Standards (KS), the 5K rating signifies a pressure class of approximately 5 kg/cm². Werner Flanges Inc. offers precision-engineered KS B 1503 5K flanges that deliver exceptional sealing and dimensional consistency. These flanges are ideal for use with water, gas, and low-pressure steam lines, ensuring leak-free performance in demanding applications.
KS B 1503 5K flanges are commonly used in industries such as oil & gas, petrochemical, marine, HVAC, and water treatment. Their robust construction and standardized dimensions allow easy integration into both new installations and retrofitted systems. Common flange types in this category include slip-on, blind, weld neck, threaded, and lap joint, offering versatile options for diverse pipe configurations.
Werner Flanges Inc. maintains a wide inventory of Korean standard flanges, including 5K-rated options in various sizes and face types. We support bulk orders and custom manufacturing with quick lead times, thanks to our global logistics and stockholding capabilities. Our flanges comply with all relevant test certifications and inspection requirements, ensuring full traceability and compliance with international norms.
With decades of metallurgical expertise, Werner Flanges Inc. is a trusted name among B2B customers, EPC contractors, and project procurement professionals. Our commitment to quality, consistency, and client satisfaction has made us a preferred supplier and exporter of KS B 1503 5K flanges across global markets.
Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc. Technical Specifications
| Specification | Details |
|---|---|
| Standard | KS B 1503 |
| Flange Types | Slip-On (SO), Blind (BL), Weld Neck (WN), Threaded (TH), Lap Joint (LJ) |
| Pressure Ratings | 5K (≈ 5 kg/cm² / ~71 psi) |
| Size Range | ½” to 24″ (DN15 to DN600) |
| Facing Types | RF (Raised Face), FF (Flat Face) |
| Manufacturing Process | Forged / Machined |
| Testing & Certification | EN 10204 3.1 / 3.2, PMI, Hydro Test, NDT |
Material Specifications for Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc.
| Type of Materials | Common Specifications / Customization Available on Request * Materials conform to ASTM/ASME standards and are compatible with AS/NZS 4331.1 Flanges |
|---|---|
| Duplex Steel | ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205 |
| Super Duplex Steel | ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo) |
| Stainless Steel | ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II |
| Alloy Steel | ASTM/ASME A182 F1, F5, F9, F11, F12, F22 |
| Non-Ferrous Alloys | Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy |
| Titanium | ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30) |
| Brass, Al-Brass | ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass |
| Nickel Alloys | ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500 |
| Alloy 20 | ASTM B462 UNS N08020 |
| Hastelloy | ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22) |
| Cladded Materials | ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals |
| Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations |
Types of Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc.
- KS B 1503 5K Slip-On Flange
- 5K Blind Flange Korean Standard
- Korean 5K Weld Neck Flange
- KS B1503 Threaded Flange
- Korean Standard Flanges 5K
- 5K Rated Pipe Flange
- KS B 1503 Pipe Connection Flange
Industries and Applications of Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc.
| Industry | Application |
|---|---|
| Oil & Gas Industry | Used extensively in upstream, midstream, and downstream operations for high-pressure piping and processing systems requiring robust sealing solutions. |
| Petrochemical & Chemical Processing | Ideal for handling corrosive chemicals and high-temperature pipelines in refining and chemical manufacturing processes. |
| Power Generation | Installed in thermal, nuclear, and hydroelectric power plants for critical pressure applications and steam systems. |
| Water Treatment & Desalination | Used in high-pressure water distribution, desalination, and wastewater treatment pipelines ensuring durability and leak resistance. |
| Marine & Offshore Industry | Suitable for seawater piping systems, ballast systems, and pressure vessels in marine engineering and offshore platforms. |
| Pharmaceutical Industry | Ensures sanitary, high-pressure fluid handling in sterile environments and cleanroom process systems. |
| Food & Beverage Industry | Used in hygienic and high-pressure processing lines where corrosion resistance and strength are critical. |
| Mining & Mineral Processing | Supports slurry transport systems and ore processing pipelines in mining operations. |
Frequently Asked Questions (FAQs) about Korean KS B 1503 5K Flange Supplier & Exporter – Werner Flanges Inc.
Q1. What is the pressure rating of a KS B 1503 5K flange?
A 5K flange is rated for approximately 5 kg/cm² (about 71 psi), suitable for low-pressure applications.
Q2. What materials are available for KS B 1503 5K flanges?
They are commonly manufactured in carbon steel (A105), stainless steel (F304, F316), and alloy steel (F11, F22).
Q3. What types of 5K flanges does Werner Flanges Inc. supply?
We supply slip-on, blind, weld neck, threaded, and lap joint flanges under the KS B 1503 5K standard.
Q4. Can these flanges be supplied with test certificates?
Yes, all flanges are provided with EN 10204 3.1/3.2 certificates, including optional NDT and hydro testing.
Q5. Are custom sizes or face types available on request?
Yes, Werner Flanges Inc. supports custom fabrication to meet specific size, face, and drilling requirements.
Q6. Which industries commonly use KS B 1503 5K flanges?
These flanges are widely used in water treatment, HVAC, marine, oil & gas, and low-pressure process piping.
Q7. What are the main advantages of using 5K flanges?
Their standardized dimensions, reliable sealing, and cost-effectiveness make them ideal for low-pressure lines.
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