Our Location

Rotherham (UK) S60 1QF

Alloy 20 Flanges

Have questions? Contact us now

Easy Installation

Strong Durability

Cost
Effective

Heat Resistance

Excellent Weldability

Corrosion Resistance

Hudson Flanges is a leading manufacturer and supplier based in Midland, UK, producing high quality flanges for a variety of specialty industrial applications Renowned for precision engineering and durable products , Hudson offers a wide selection of flanges , featuring Alloy 20 flanges with high corrosion resistance, ideal for chemical, petrochemical and pharmaceutical industries With a commitment to exceptional quality and customer service Hudson Flanges offers capable solutions reliably delivers on stringent industry standards and project requirements worldwide.

Alloy 20 Flanges Supplier in Midland, Alloy 20 Flanges Exporters in Liversedge, UNS N08020 Alloy Flanges Manufacturers in West Midland, DIN 2.4660 Flanges Price List in United Kingdom, UNS N08020 Flanges Dealer in West Midland, 20 Alloy Flanges Manufacturers in Birmingham, Alloy 20 Flanges Suppliers in Liversedge, DIN 2.4660 Flanges Dealers in Midland

Alloy 20 Forged Flanges in UK

Alloy 20 Forged Flanges

Alloy 20 Blind Flanges in UK

Alloy 20 Blind Flanges

Alloy 20 Slip On Flanges in UK

Alloy 20 Slip On Flanges

Alloy 20 flanges are mainly made up of nickel, steel and chromium, with the addition of copper and molybdenum for increased resistance to sulfuric acid, chloride stress and corrosion Their mechanical properties include a tensile strength of 620 MPa and a yield strength of 300 MPa, with good ductility even at high temperatures , shock resistance and cure 20 Major advantages of flanges are durability in harsh environments, resistance to pitting and crevice corrosion, and suitability for chemical, petrochemical, and chemical applications including acids and chlorides.

Table of Contents

UNS N08020 Flanges Weight Chart in United Kingdom, Alloy 20 Flanges Supplier in Liversedge, DIN 2.4660 Flanges Stockists in West Midland, Alloy 20 Flanges Dealer in Birmingham, UNS N08020 Flanges Price in Nottingham, ASTM B462 Flanges Weight Chart, Alloy DIN 2.4660 Flanges Weight Chart

Alloy 20 Flanges Specification

Specification ASTM B462 / ASME SB462M
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, 20 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 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Chemical Composition of Alloy 20 Flanges

Grade C Mn Si S Cu Ni Cr Fe Mo P
Alloy 20 0.07 max 2.00 max 1.00 max 0.035 max 3.00 – 4.00 32.00 – 38.00 19.00 – 21.00 29.85 min* 2.00 – 3.00 0.045 max

Mechanical Properties of Alloy 20 Forged Flanges

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi – 35,000, MPa – 241 30 %

Equivalent Material Grade of Alloy 20 Flanges

STANDARD WERKSTOFF NR. UNS EN AFNOR
Alloy 20 2.4660 N08020 NiCr20CuMo Z2NCUD31-20AZ

Largest Alloy 20 Flanges Supplier in Midland, UK

Hudson Flanges, a leading supplier in Midland, UK, offers an extensive selection of Alloy 20 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.

Contact us to get a quick quote for your requirement.

We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

Alloy 20 flanges are used in applications where corrosion resistance is required, especially in acidic environments. Made from a high-performance alloy made primarily of nickel, iron, chromium, and molybdenum, it offers resistance to sulfuric acid, hydrochloric acid, and other extremely strong chemicals, the most common being chemicals a processing, chemical manufacturing, food and beverage, and electricity generation . These flanges are used to connect piping, valves and equipment to ensure safe and leaky connections to steam systems, making them ideal for high-stress and low-corrosion environments.

ANSI B16.5 Alloy Flanges Supplier in Birmingham, Alloy 20 Flanges Nottingham,20 Alloy Flanges Suppliers in West Midland, UNS N08020 Flanges Price in UK, DIN 2.4660 Flanges Price List in United Kingdom, Alloy 20 Flanges Stockist in United Kingdom, UNS N08020 Flanges Price List in Nottingham

Types of Alloy 20 Flanges

20 Alloy Weld Neck Flanges in UK
20 Alloy Weld Neck Flanges
Alloy 20 Spectacle Blind Flanges in UK
Alloy 20 Spectacle Blind Flanges
Alloy 20 Socket weld Flanges in UK
Alloy 20 Socket weld Flanges
Alloy 20 Ring Type Joint Flanges in UK
Alloy 20 Ring Type Joint Flanges
Alloy 20 Lap Joint Flanges in UK
Alloy 20 Lap Joint Flanges
Alloy 20 Orifice Flanges in UK
Alloy 20 Orifice Flanges

Dimensions of Alloy 20 Flanges

NPSO.D. of FlangeFlanges ThicknessDiameter of RFDiameter of Hub at BaseLengtd Tdru HubBore or DiameterDia. of Hub at BevelRadius of FilletDeptd of Socket
Welding (WN) NeckSlip-On (SORF) Threaded (NPT) Socket (SWRF)Lap Joint (Loose)Slip-on (SORF) Socket (SWRF)Lap Joint (Loose)
OQRXYYYWBHrZ
1/23-1/27/161-3/81-3/161-7/85/85/8.88.90.841/83/8
3/43-7/81/21-11/161-1/22-1/165/85/81.091.111.051/87/16
14-1/49/1621-15/162-3/1611/1611/161.361.381.321/81/2
1-1/44-5/85/82-1/22-5/162-1/413/1613/161.701.721.663/169/16
1-1/2511/162-7/82-9/162-7/167/87/81.951.971.901/45/8
263/43-5/83-1/162-1/2112.442.462.385/1611/16
2-1/277/84-1/83-9/162-3/41-1/81-1/82.942.972.885/163/4
37-1/215/1654-1/42-3/41-3/161-3/163.573.603.503/813/16
3-1/28-1/215/165-1/24-13/162-13/161-1/41-1/44.074.104.003/87/8
4915/166-3/165-5/1631-5/161-5/164.574.604.507/1615/16
51015/167.5/166-7/163-1/21-7/161-7/165.665.695.567/1615/16
61118-1/27-9/163-1/21-9/161-9/166.726.756.631/21-1/16
813-1/21-1/810-5/89-11/1641-3/41-3/48.728.758.631/21-1/4
10161-3/1612-3/41241-15/161-15/1610.8810.9210.751/21-5/16
12191-1/41514-3/84-1/22-3/162-3/1612.8812.9212.751/21-9/16
14211-3/816-1/415-3/452-1/43-1/814.1414.1814.001/21-5/8
1623-1/21-7/1618-1/21852-1/23-7/1616.1616.1916.001/21-3/4
18251-9/162119-7/85-1/22-11/163-13/1618.1818.2018.001/21-15/16
2027-1/21-11/1623225-11/162-7/84-1/1620.2020.2520.001/22-1/8
24321-7/827-1/426-1/863-1/44-3/824.2524.2524.001/22-1/2

Alloy 20 Flange Weight Chart

Nominal Pipe Sizes (NPS)Slip On (SORF)Threaded (NPT)Socket Weld (SWRF)Lap Joint (Loose)Blind (BLRF)Weld Neck (WRNR)
½112122
¾222222
1222223
333333
333344
2555556
8888710
39999911.5
111211111312
4131313131716.5
5151515152021
6191919192726
8303030304742
10434343437054
126464646412388
14909090105140114
161069898140180140
18130130130160220165
20165165165195285197
22185185185245355225
24220220220275430268

Are Custom Sizes Available for Alloy 20 Flanges?

Yes, we offer custom sizes for Alloy 20 Flanges to meet specific project needs. Our team at Hudson Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@hudsonflanges.co.uk.

Material Testing

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.

ASME SB462M Flanges Manufacturer in UK, Alloy 20 Flanges United Kingdom, 20 Alloy Flanges Exporters in Nottingham, Alloy 20 Flanges Price List, Alloy 20 Flanges Stockist in Liversedge, UNS N08020 Flanges Exporter in Nottingham, DIN 2.4660 Flanges Birmingham, Alloy 20 Flanges Price List in Liversedge, Price of Alloy 20 Flanges, ASTM B462 Alloy 20 Flanges Exporter in UK

Application Industry of Alloy 20 Flanges

Visit Our Other Products