Carbon Steel Blind Flanges

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Luke Steel is a reliable manufacturer and supplier of top-notch Carbon Steel Blind Flanges, proudly based in Houston, USA. With years of expertise and a solid reputation for quality, Luke Steel provides precision-engineered flanges that meet a variety of industrial standards. These flanges are essential for sealing off pipe ends and pressure openings, ensuring that piping systems remain safe and leak-proof. With options for both domestic and international shipping, Luke Steel caters to industries like oil & gas, petrochemical, power generation, and water treatment, offering durable carbon steel products designed to withstand pressure and perform optimally in tough environments.

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CS Blind Flange

Blind Carbon Steel Flanges

LTCS Blind Flanges

Table of Contents

What is Carbon Steel Blind Flanges?

Carbon Steel Blind Flanges are mainly made of carbon, along with small amounts of manganese, phosphorus, sulfur, and silicon. This blend gives them impressive strength and hardness while still being ductile. Typically, these flanges have a tensile strength ranging from 485 MPa to 620 MPa and a yield strength of about 250 MPa. Their hardness falls between 125 and 180 HB. The carbon content enhances wear resistance and improves pressure handling, making these flanges perfect for high-stress industrial applications that demand strong sealing and structural integrity.

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Carbon Steel Blind Flanges Specification

Specification ASTM A694 / ASME SA694
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, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 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 Press 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 Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS 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 Ff42 Carbon Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Grades Carbon Steel A105, A36,is2062, LF2, F42, F52, F56, F60, F65, F70, F80,
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Carbon Steel Blind Flanges in USA, USA​

Luke Steel is one of the most prominent manufacturers and suppliers of superior quality Carbon Steel Blind Flanges in USA, USA. 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. 

Carbon Steel Blind Flanges Pressure Rating

ASME/ANSI B 16.5 Blind Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47 Blind Flange [Series A & B],Welding Neck Flange
PRESSURE CLASS 75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36 Blind Flange
PRESSURE CLASS 300, 400, 600, 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 400
BS 1560 BOSS Hubbed Slip-On Hubbed Threaded
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Plate Slip-On Flange, Slip-On Boss 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

Carbon Steel Industrial Blind Flanges Stockist in California, Carbon Steel Blind in Houston, ANSI B 16.5 Carbon Steel Blind Flange Distributor in USA, CS Blind Flanges Price List in Texas, Carbon Steel Blind Flanges Size Chart, CS Blind Flanges in Houston, Carbon Steel Blind Flanges Price in Houston, ASME B16.5 Carbon Steel Blind Flange Stockist in California , ANSI B16.5 Carbon Steel Blind Flanges Supplier in Los Angeles, Carbon Steel Blind Flanges Supplier in USA

Types of Carbon Steel Blind Flanges

Carbon Steel BLFF Flange
Carbon Steel Raised Face Blind Flange
Carbon Steel BLRF Flanges
Carbon Steel BLRTJ Flange
CS Flat Face Blind Flanges
Carbon Steel Blind Pipe Flanges

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Uses of Carbon Steel Blind Flanges

These Carbon Steel Blind Flanges are commonly used to seal the ends of piping systems or pressure vessel openings, facilitating easy maintenance, inspection, or future expansions. You’ll find them in various industries, including oil and gas, petrochemical, water treatment, power generation, and shipbuilding. They play a crucial role in maintaining system integrity by preventing leaks of fluids or gases under high pressure and temperature. Additionally, they are utilized in testing systems to isolate pressure points. Thanks to their sturdy construction and corrosion-resistant coating, they are well-suited for both above-ground and underground applications.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry