Site icon Marcel Piping Projects Supply PVT. LTD.

Korean Standard Flanges

Specialized Korean Standard Flanges Manufacturer, KS B1503 Flanges.

We offer quick delivery programs for standard size of Korean Flange. We are also known as ANSI CL 150-300 Flange with high quality raw material in various sizes. Different stainless steel grades of Korean Standard Flange can be utilized in marine applications because of its high resistance to corrosion against salt water or sea water. These ANSI B16.47/ ASME B16.5 Korean Flange grades meet the requirements of various industries. The most commonly used standards are the KS B 1503 5K-40K Flange.

Connection or Face Type for the DIN 6-40 Bar Flange includes Ring Type Joint (RTJ), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Flat Face (FF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove. Stainless Steel Korean Flange is additionally able to show an excellent performance in extreme cold or hot temperatures or varied.

Korean Standard Flanges Manufacturer
Korean Standard Flanges Manufacturer in Mumbai, India
KS B1503 Flanges Supplier in Mumbai, India

We Recognize as a Trusted Manufacturer and Stockist of Korean Standard Flanges, KS B1503 5k, 10k, 16k, 20k Flange at Best Prices.

We are Leading Exporter and Supplier of Korean Standard Flanges, Ks B1503 Blind Flanges and Ks B1503 Slip On Flanges in USA, UK, Qatar, Mexico, Nigeria, Saudi Arabia, Kuwait, Iran, Kazakhstan, Bahrain, Vietnam, Indonesia, Norway, Ghana, Colombia, Azerbaijan, Libya, India.

Korean Flanges Standard Specifications
Korean Flanges Specification Chart

Flange Size Range 1/2″ NB TO 48″NB
Flange Dimensions SABS 1123 Class 600, Class 1000, Class 1600, Class 2500, Class 4000
Flange Face Types Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Ks B1503 Standard Cover dimensions, tolerances, weight, temperature ratings & pressure ratings, marking, materials, testing
Custom Design As per your drawing
Material Test Certificates (MTC) As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
Test Certificates 100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc
Tests Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment / Machines Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.
Coating Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Ks B1503 Slip On Flanges Material Grades
Ks B1503 Slip On Flange Materials

Stainless Steel Ks B1503 Flange ASTM/ASME A/SA182:- F304, F304L, F316, F316L, ASTM/ASME A/SA351:- CF3, CF3M, CF8, CF8M, DIN 1.4306, DIN 1.4301, DIN 1.4404, DIN 1.4401, DIN 1.4408, DIN 1.4308, DIN 1.4306, DIN 1.4409
Duplex Ks B1503 Flanges S31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Ks B1503 Flanges S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Copper Nickel Ks B1503 Flanges ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Titanium Ks B1503 Flanges ASTM B381 / ASME SB381:- Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM  R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 | R56400/GR.5
Copper Ks B1503 Flanges TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Incoloy Ks B1503 Flanges ASTM B564 / ASME SB564:- Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925
Inconel Ks B1503 Flanges ASTM B564 / ASME SB564:- Inconel 600, 601, 625, 718, 783, 690, x750
Nickel Ks B1503 Flanges ASTM B564 / ASME SB564:- Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Hastelloy Ks B1503 Flanges ASTM B564 / ASME SB564:- Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X
Monel Ks B1503 Flanges ASTM B564 / ASME SB564:- Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Carbon Steel Ks B1503 Flanges ASTM/ASME A/SA105 A/SA105N and A/SA216-WCB, DIN 1.0460, DIN 1.0402, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, CS High Yield ASTM A694 / A694 (F52, F56, F60, F65, F70, F80)
Alloy Steel Ks B1503 Flanges ASTM A182 / ASME SA182:- F5, F9, F11, F12, F22, F91
Ks B1503 Alloy 20 Flanges ASTM B462 / ASME SB462:- Carpenter® 20 Alloy, Alloy 20Cb-3
Ks B1503 SMO 254 Flanges ASTM A182 / ASME SA182:- SMO 254/6Mo, UNS S31254, DIN 1.4547
Aluminium Ks B1503 Flanges 5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass Ks B1503 Flanges 3602 / 2604 / H59 / H62 / etc.
Other Ks B1503 Flanges material Tin bronze, Alumunum bronze, Lead bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN Flanges

Steel Pipe Flange Standards
Flange Standards and Dimensions

KS B1503 Flange Dimensions
Ks B1503 Blind Flanges Technical Drawings

Korean Flanges Schedule Chart

Standard Of Flanges Class Of Flanges Diameter Of Flanges Bolt Circle Diameter Of Flanges Number of Bolts Of Flanges Bolt Size Of Flanges Bolt Hole Diameter
AS4087 Flanges PN14 Flanges 95 67 4 M12 14
AS 2129 Flange Table C Flanges 95 67 4 13 14
Table D Flanges 95 67 4 13 14
Table E Flanges 95 67 4 13 14
Table F Flanges 95 67 4 13 14
Table H Flanges 114 83 4 16 17
Table J Flanges 114 83 4 16 17
ANSI B16.5 Flanges ANSI 150 Flanges 89 60 4 13 16
ANSI 300 Flanges 95 67 4 13 16
ANSI 600 Flanges 95 67 4 13 16
ANSI 900 Flanges 121 83 4 19 22
ANSI 1500 Flanges 121 83 4 19 22
ISO 7005 (DIN) Flange PN6 Flanges 80 55 4 M10 11
PN10 Flanges 95 65 4 M12 14
PN16 Flanges 95 65 4 M12 14
PN20 Flanges 90 60.5 4 M14 16
PN25 Flanges 95 65 4 M12 14
PN40 Flanges 95 65 4 M12 14

KS B1503 10k-16k Flanges Thickness

Gost 33259 Flange Wall Thickness
NPS (Normal Pipe Sizes) Outside Daimeter (O.D.) Schedule 10 Schedule 20 Schedule 30 STD Wall Schedule 40 Schedule 60 EXT Hvy Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 XX Hvy
½ 0.84 0.083 0.109 0.109 0.147 0.147 0.188 0.294
¾ 1.05 0.083 0.113 0.113 0.154 0.154 0.219 0.308
1 1.315 0.109 0.133 0.133 0.179 0.179 0.25 0.358
1 ¼ 1.66 0.109 0.14 0.14 0.191 0.191 0.25 0.382
1 ½ 1.9 0.109 0.145 0.145 0.2 0.2 0.281 0.4
2 2.375 0.109 0.154 0.154 0.218 0.218 0.344 0.436
2 ½ 2.875 0.12 0.203 0.203 0.276 0.276 0.375 0.552
3 3.5 0.12 0.216 0.216 0.3 0.3 0.438 0.6
3 ½ 4 0.12 0.226 0.226 0.318 0.318 0.636
4 4.5 0.12 0.237 0.237 0.337 0.337 0.438 0.531 0.674
5 5.563 0.134 0.258 0.258 0.375 0.375 0.5 0.625 0.75
6 6.625 0.134 0.28 0.28 0.432 0.432 0.562 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969
22 22 0.25 0.375 0.5 …. …. …. ….
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 ….
26 26 …. …. …. 0.375 …. …. 0.5 …. …. …. …. …. ….
30 30 0.312 0.5 0.625 0.375 …. …. 0.5 …. …. …. …. …. ….
36 36 0.312 0.5 0.625 0.375 0.75 …. 0.5 …. …. …. …. …. ….
40 40 …. …. …. 0.375 …. …. 0.5 …. …. …. …. …. ….
42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..

Korean Standards Flange Pressure Rating

Gost 12820 Flange Pressure Pressure
Temperature (°C) Class
Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 – 38 19.8 51.7 68.9 103.4 155 259 431
50 19.5 51.7 68.9 103.4 155 259 431
100 17.7 51.5 68.7 103.0 155 258 429
150 15.8 50.2 66.8 100.3 151 251 418
200 13.8 48.6 64.8 97.2 146 243 405
250 12.1 46.3 61.7 92.7 139 232 386
300 10.2 42.9 57.0 85.7 129 214 357
325 9.3 41.4 55.0 82.6 124 207 344
350 8.4 40.0 53.4 80.0 120 200 334
375 7.4 37.8 50.4 75.7 114 189 315
400 6.5 34.7 46.3 69.4 104 174 290
425 5.5 28.8 38.4 57.5 86.3 144 240
450 4.6 23.0 30.7 46.0 69.0 115 192
475 3.7 17.1 22.8 34.2 51.3 85.4 142
500 2.8 11.6 15.4 23.2 34.7 57.9 96.5
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

ANSI B16.47 KS Flange Bolt Chart

Class 150 Flanges Class 300 Flanges Class 600 Flanges
NPS # Bolts And Studs Diameter of Bolts And Studs Stud Length # Bolts And Studs Diameter of Bolts And Studs Stud Length # Bolts And Studs Diameter of Bolts And Studs Stud Length
1/16 RF RTJ 1/16 RF RTJ 1/4 RF RTJ
1/2 4 0.50 2-1/4 4 0.50 2-1/2 3 4 0.50 3 3
3/4 4 0.50 2-1/2 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1 4 0.50 2-1/2 3 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1-1/4 4 0.50 2-3/4 3-1/4 4 0.63 3-1/4 3-3/4 4 0.63 3-3/4 3-3/4
1-1/2 4 0.50 2-3/4 3-1/4 4 0.75 3-1/2 4 4 0.75 4-1/4 4-1/4
2 4 0.63 3-1/4 3-3/4 8 0.63 3-1/2 4 8 0.63 4-1/4 4-1/4
2-1/2 4 0.63 3-1/2 4 8 0.75 4 4-1/2 8 0.75 4-3/4 4-3/4
3 4 0.63 3-1/2 4 8 0.75 4-1/4 4-3/4 8 0.75 5 5
3-1/2 8 0.63 3-1/2 4 8 0.75 4-1/4 5 8 0.88 5-1/2 5-1/2
4 8 0.63 3-1/2 4 8 0.75 4-1/2 5 8 0.88 5-3/4 5-3/4
5 8 0.75 3-3/4 4-1/4 8 0.75 4-3/4 5-1/4 8 1.00 6-1/2 6-1/2
6 8 0.75 4 4-1/2 12 0.75 4-3/4 5-1/2 12 1.00 6-3/4 6-3/4
8 8 0.75 4-1/4 4-3/4 12 0.88 5-1/2 6 12 1.13 7-1/2 7-3/4
10 12 0.88 4-1/2 5 16 1.00 6-1/4 6-3/4 16 1.25 8-1/2 8-1/2
12 12 0.88 4-3/4 5-1/4 16 1.13 6-3/4 7-1/4 20 1.25 8-3/4 8-3/4
14 12 1.00 5-1/4 5-3/4 20 1.13 7 7-1/2 20 1.38 9-1/4 9-1/4
16 16 1.00 5-1/4 5-3/4 20 1.25 7-1/2 8 20 1.50 10 10
18 16 1.13 5-3/4 6-1/4 24 1.25 7-3/4 8-1/4 20 1.63 10-3/4 10-3/4
20 20 1.13 6-1/4 6-3/4 24 1.25 8 8-3/4 24 1.63 11-1/4 11-1/2
24 20 1.25 6-3/4 7-1/4 24 1.50 9 10 24 1.88 13 13-1/4

Korean Standard Flange Flange Types
KS B1503 Standard Flange Price in India

Weld Neck Flange
Long Weld Neck Flange
Slip On Flange
Spectacle Blind Flanges
Socket Weld Flanges
Blind Flanges / Dummy Flange
Screwed / Threaded Flanges
Orifice Flanges
Lap Joint Flanges
Square Flanges
Ring Type Joint Flanges
Tongue and Groove Flange
Expander Flanges
Reducing Flanges
Male & Female Flanges
Weldolet Flange
Nipolet Flange
Backing Ring Flanges
Ring Spacer Flanges
Paddle Blind Flanges
Plate Flange
High Hub Blind Flange
Custom Flanges
Swivel Ring Flange

Note: Korean Standard Flanges Prices are depended on Material Grades, Dimensions, Sizes, Type of Flange, and Order Quantity, etc. The prices mentioned on the website are for reference purposes only. To get market leading prices for KS B1503 Korean Flanges contact us now.

Ks B1503 10k Flanges Industries and Applications
Ks B1503 Flange Applications

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

KS B1503 Flanges Supply and Export Network
List of Cities and Countries







Afghanistan Algeria Angola Argentina
Australia Austria Azerbaijan Bahrain
Bangladesh Belarus Belgium Bhutan
Bolivia Brazil Bulgaria Canada
Chile China Colombia Costa Rica
Croatia Czech Republic Aberdeen Abu Dhabi
Ahmedabad Ahvaz Al Jubail Al Khobar
Algiers Ankara Atyrau Bangkok
Bengaluru Bhopal Bogota Brisbane
Busan Cairo Calgary Caracas
Chandigarh Chennai Chiyoda Coimbatore
Colombo Courbevoie
Denmark Ecuador Egypt Estonia
Finland France Gabon Ghana
Greece Hong Kong Hungary India
Indonesia Iran Iraq Israel
Italy Japan Jordan Dallas
Dammam Doha Dubai Edmonton
Ernakulam Faridabad Geoje-si Gimhae-si
Granada Gurgaon Hanoi Haryana
Ho Chi Minh City Hong Kong Houston Howrah
Hyderabad Indore Istanbul Jakarta
Jeddah
Kazakhstan Kenya Kuwait Lebanon
Libya Lithuania Malaysia Mexico
Mongolia Morocco Netherlands New Zealand
Nigeria Norway Oman Pakistan
Peru Philippines Poland Portugal
Qatar Romania Russia Karachi
Kolkata Kuala Lumpur Kuwait City La Victoria
Lagos Lahore London Los Angeles
Ludhiana Madrid Manama Melbourne
Mexico City Milan Montreal Moscow
Mumbai Muscat Navi Mumbai New Delhi
New York Noida Perth Petaling Jaya
Pimpri-Chinchwad Port-of-Spain Pune Rajkot
Rio de Janeiro Riyadh
Saudi Arabia Serbia Singapore Slovakia
South Africa South Korea Spain Sri Lanka
Sweden Switzerland Taiwan Thailand
Trinidad & Tobago Tunisia Turkey Ukraine
United Arab Emirates (UAE) United Kingdom (UK) United States (US) Venezuela
Vietnam Yemen Santiago Secunderabad
Seoul Sharjah Singapore Surat
Sydney Tehran Thane Thiruvananthapuram
Toronto Ulsan Vadodara Visakhapatnam
Vung Tau
Exit mobile version