ASTM A182 F410 Stainless Steel Flanges Manufacturer Since 2012 UNS S41000, 13% Chromium Stainless Steel, WNRF • SORF • BLRF • SWRF • LJRF Types PMI Verified Lots, EN 10204 3.1 MTC, Shipped To 15+ Countries

Stainless Steel 410 Flanges

Stainless Steel 410 Flanges Aspects

Sizes In StockNPS ½″ to 24″ • to 60″ on order
Delivery TimeEx-Stock: 2–4 Days • Mill-Order: 4–6 Wks
Class Range150#, 300#, 600#, 900#, 1500#, 2500#
Grade & UNSASTM A182 F6a, UNS S41000
Chromium Range11.5–13.5% Cr • Martensitic
European DesignationW.Nr 1.4006, EN X12Cr13
FormsHot Forged & CNC Machined
MTC CertificateEN 10204 3.1 and 3.2
Flange FaceRF, FF, RTJ
OriginManufactured In Mumbai, India
Hardenable
Martensitic 12Cr
Heat treatable to raise hardness where softer grades wear out
Two Conditions
Class 1 Or Class 2
Annealed or hardened and tempered, called out on your order
Cost Balanced
Vs Austenitic Grades
Low nickel chemistry keeps pricing steadier than 316 flanges
Ready Stock
Class 150–2500
Lap joint, blind and slip on blanks held in fast-moving sizes
Own Forge
Mumbai Plant
Billet to boxed flange handled inside our own two units
Spec Desk
Free Review
We read your isometric and confirm class, bore and condition
Stainless Steel 410 Flanges

 

at glance

Mortec At A Glance

Established

Since 2012 15+ yrs experience

Manufacturing Units

2 in-house units Taloja & Mazgaon

Stockyard Area

8,850+ sq.ft Ready-stock inventory

Certifications

ISO 9001:2015, PED GST, IEC & MSME

Clientele

100+ clients India & export markets

Export Reach

15+ countries GCC, Africa & APAC

Testing Offered

Tensile, hardness & PMI MTC EN 10204 3.1

Shipment Documents

Invoice, Packing List COO, COI, MTC, BL & Lab Report

Leak-proof SS 410 Lap Joint Flanges Manufacturer in India in Custom Sizes

Mortec Manufacturing Co works as a direct Stainless Steel 410 Flanges Manufacturer in India. We closed-die forge ASTM A182 F6a blanks from heat-numbered UNS S41000 bar. All forging takes place inside our own Mumbai manufacturing units. Because 410 is martensitic chromium steel, heat treatment determines performance. Each lot receives Class 1 annealed or Class 2 treatment. Class 2 material is hardened and tempered before CNC machining. Actual measured hardness appears on certificates rather than copied templates.

Finish machining follows ASME B16.5, B16.47 Series A and B, or MSS. We manufacture Lap Joint Flanges with accurate stub-end mating radii. Available types include weld neck, blind, slip-on, socket weld, and orifice. Plate, reducing, and spectacle blind flanges are also manufactured. Standard pressure classes range from Class 150 through Class 2500. Custom bores, drilling, and outside diameters follow your approved isometric. Every Mumbai dispatch includes PMI readings and detailed hardness reports. EN 10204 3.1 or 3.2 certificates accompany every shipment file.

01 · Specification

Stainless Steel 410 Flanges Specification

Everything below is confirmed in writing on your order acknowledgement before the first billet is cut.

Stainless Steel 410 Flanges Specification

 

SS 410 Flanges Delivery Condition

  • Class 1 – annealed
  • Class 2 – hardened & tempered

AISI 410 Flanges Dimensional Standards

  • ASME B16.5
  • ASME B16.47 Series A & B
  • MSS SP-44

SS F410 Slip On Flanges Testing Scope

  • Hardness, tensile, PMI, DP
  • Charpy impact on written request

410 SS Orifice Flanges Third-Party Inspection

  • TUV, BV, SGS, Lloyd’s witness
  • Client stage inspection welcome

Steel 410 Industrial Flanges Surface Treatment

  • Pickled, passivated, shot blasted
  • Buffed or oiled anti-rust coat

SUS F410 Pipe Flanges Thread & Bore

  • NPT, BSPT, BSPP threading
  • Counter-bore to your pipe schedule

ASTM A182 Stainless Steel 410 Plate Flanges Packaging

  • Stud bolts, nuts, gaskets bundled
  • Seaworthy plywood cases, VCI wrap

INOX 410 Long Weld Neck Flanges Raw Material Source

  • Bars to ASTM A276 / A479 Type 410
  • Heat number carried to the boxed part

Werkstoff No 1.4006 Stainless Steel Reducing Flanges Quality Systems

  • ISO 9001:2015 certified plant
  • PED 2014/68/EU documentation route
02 · Sizes

Size Chart of SS 410 Lap Joint Flanges

Class 150 SS 410 Lap Joint Flange sizes follow ASME B16.5, shown in millimetres.

Fastest Moving 1″ 2″ 3″ 6″ 10″
Nom. Pipe Size o T1 R x No.2/Dia. of Holes Bolt Circle Dia. L21 H B23 L B r L34 B3 D
1/2 3.50 0.44 1.38 1.19 4-0.62 2.38 1.88 0.84 0.62 0.62 0.88 0.12 0.62 0.90 0.38
1 4.25 0.56 2.00 1.94 4-0.62 3.12 2.19 1.32 1.05 0.69 1.36 0.12 0.69 1.38 0.50
8 13.50 1.12 10.62 9.69 8-0.88 11.75 4.00 8.63 7.98 1.75 8.72 0.50 1.75 8.75 1.25
1-1/2 5.00 0.68 2.88 2.56 4-0.62 3.88 2.44 1.90 1.61 0.88 1.95 0.25 0.88 1.97 0.62
2 6.00 0.75 3.62 3.06 4-0.75 4.75 2.50 2.38 2.07 1.00 2.44 0.31 1.00 2.46 0.69
2-1/2 7.00 0.88 4.12 3.56 4-0.75 5.50 2.75 2.88 2.47 1.12 2.94 0.31 1.12 2.97 0.75
4 9.00 0.94 6.19 5.31 8-0.75 7.50 3.00 4.50 4.03 1.31 4.57 0.44 1.31 4.60 0.94
3/4 3.88 0.50 1.69 1.50 4-0.62 2.75 2.06 1.05 0.82 0.62 1.09 0.12 0.62 1.11 0.44
5 10.00 0.94 7.31 6.44 8-0.88 8.50 3.50 5.56 5.05 1.44 5.66 0.44 1.44 5.69 0.94
1-1/4 4.62 0.62 2.50 2.31 4-0.62 3.50 2.25 1.66 1.38 0.81 1.70 0.19 0.81 1.72 0.56
6 11.00 1.00 8.50 7.56 8-0.88 9.50 3.50 6.63 6.07 1.56 6.72 0.50 1.56 6.75 1.06
3-1/2 8.50 0.94 5.50 4.81 8-0.75 7.00 2.81 4.00 3.55 1.25 4.07 0.38 1.25 4.10 0.88
10 16.00 1.19 12.75 12.00 12-1.00 14.25 4.00 10.75 10.02 1.94 10.88 0.50 1.94 10.92 1.31
3 7.50 0.94 5.00 4.25 4-0.75 6.00 2.75 3.50 3.07 1.19 3.57 0.38 1.19 3.60 0.81
12 19.00 1.25 15.00 14.38 12-1.00 17.00 4.50 12.75 12.00 2.19 12.88 0.50 2.19 12.92 1.56
03 · Product Range

Popular Types of SS 410 Flanges

Stainless Steel 410 Flanges Supplier in India providing standard sizes and thread types with ready stock availability.

SS 410 Lap Joint Flanges

SS 410 Lap Joint Flanges

ASME B16.5 • With Stub End
  • Backing ring turns freely for bolt-up
  • Suits lines opened often for cleaning
INOX 410 Long Weld Neck Flanges

INOX 410 Long Weld Neck Flanges

MSS SP-44 • Vessel Nozzles
  • Extended barrel forms the nozzle neck
  • Bore matched to your vessel drawing
Stainless Steel F410 Blind Flanges

Stainless Steel F410 Blind Flanges

ASME B16.5 • All Classes
  • Solid disc, no bore to machine
  • Caps future tie-in points on skids
410 SS Orifice Flanges

410 SS Orifice Flanges

Jack Screws • Class 300–900
  • Tapped pressure taps for meter runs
  • Supplied as a matched pair set
SUS F410 Pipe Flanges

SUS F410 Pipe Flanges

ASME B16.5 • ½″–24″
  • Tapered hub butt weld neck pattern
  • Chosen for cyclic and pulsating duty
ASTM A182 Stainless Steel 410 Plate Flanges

ASTM A182 Stainless Steel 410 Plate Flanges

Flat Face • Low Pressure
  • Plain flat ring, economical section
  • Common on tank and utility headers
Global Reach

410 SS Orifice Flanges For America & Southeast Asia

Regular shipments serve both North American distributors and Southeast Asian assembly plants.

America & APAC
CanadaToronto, Canada
USAChicago, USA
MexicoMonterrey, Mexico
VenezuelaVenezuela
SingaporeSingapore
PhilippinesCebu, Philippines
MalaysiaPenang, Malaysia
VietnamVietnam
ThailandThailand
IndonesiaIndonesia
ItalyGenoa, Italy
NetherlandsRotterdam, Netherlands

Stainless Steel 410 Flanges Manufacturer In Mumbai - Forging Since 2012

Send your NPS, class and facing list and our desk replies with a same-day ex-Mumbai price.

Request Quote Now
04 · Composition

AISI 410 Flanges Chemical Composition

Chemical Composition – ASTM A182 F6a / UNS S41000 (% by weight)
Cr11.5–13.5Chromium
C0.15 maxCarbon
Mn1.00 maxManganese
Si1.00 maxSilicon
Ni0.50 maxNickel
Mo0.50 maxMolybdenum
P0.030 maxPhosphorus
S0.030 maxSulfur
FeBalanceIron
05 · Strength Data

Mechanical Properties of UNS S41000 Stainless Steel Spectacle Blind Flanges

Class 1 – Annealed Condition
Tensile Strength485 MPa / 70 ksi min
Yield Strength (0.2%)275 MPa / 40 ksi min
Elongation18% min
Reduction Of Area35% min
Hardness143–207 HBW

 

Class 2 – Hardened & Tempered Condition
Tensile Strength585 MPa / 85 ksi min
Yield Strength (0.2%)380 MPa / 55 ksi min
Elongation18% min
Reduction Of Area35% min
Hardness167–229 HBW
06 · Cross-Reference

Werkstoff No 1.4006 Stainless Steel Reducing Flanges Equivalent

USAASTM / ASME (USA)

  • UNS S41000
  • ASTM A182 F6a / ASME SA182 F6a
  • AISI / SAE Type 410
  • ASTM A276 / A479 Type 410 (Bar)

GermanyDIN / EN (Germany)

  • Werkstoff No 1.4006
  • EN X12Cr13
  • EN 10088-3 (Bar & Semi-Finished)

JapanJIS (Japan)

  • SUS 410
  • SUS F410 (Forgings)

United KingdomBS (United Kingdom)

  • 410S21
  • BS EN 10088-3 X12Cr13

FranceAFNOR (France)

  • Z13C13
  • NF EN 10088-3

IndiaCommon Trade Names

  • INOX 410 / SS 410
  • 12Cr Martensitic Stainless
7 · Process

Welding Process of SS F410 Slip On Flanges

Controlled preheating, suitable filler selection and post-weld tempering help prevent cracking and maintain properties.

1

Confirm 410 Suits Duty

2

Specify A182 F6a Class

3

Preheat 200–315 °C

4

Select Suitable Filler

5

Post-Weld Tempering

6

Hardness Verification

7

Final Inspection

08 · Grade Selection

Stainless Steel 410 Vs 316 Flanges

The two grades solve different problems – hardness, chloride resistance and weldability. Pick against your service.

Stainless Steel 410 (S41000)

  • Structure: Martensitic, magnetic
  • Chromium: 11.5–13.5%, no molybdenum
  • Key Trait: Hardenable by heat treatment
  • Best For: Wear, mild corrosion, steam and refinery duty

Stainless Steel 316 (S31600)

  • Structure: Austenitic, essentially non-magnetic
  • Chromium: 16–18% with 2–3% molybdenum
  • Key Trait: Not hardenable by heat treatment
  • Best For: Chloride, marine and acid process lines

SS F410 Slip On Flanges Exporter - Regular Sailings To Jebel Ali & Khalifa Port

Crated, marked and documented so your UAE clearing agent files without a single query.

Request Export Quote

High-pressure Rated INOX 410 Long Weld Neck and Blind Flanges For Oil And Gas Refineries

09 · Pressure Ratings

Pressure Rating of INOX 410 Long Weld Neck Flanges

Class 150 SS 410 Lap Joint Flange sizes follow ASME B16.5, shown in millimetres.

Temp.℃ Pressure- temperature rating for B16.47 by class, bar
75 150 300 400 600 900
250 6.0 12.1 40.5 53.9 80.9 121.4
-29 to 38 10.0 20.0 51.7 68.9 103.4 155.1
150 7.9 15.8 45.9 61.2 91.9 137.8
200 6.9 13.8 42.7 56.9 85.3 128.0
100 8.8 17.7 50.7 67.5 101.3 152.0
50 9.8 19.5 51.7 68.9 103.4 155.1
300 5.1 10.2 38.9 51.8 77.7 116.6
10 · Industries

ASTM A182 Stainless Steel 410 Plate Flanges Applications

Sectors where 410 is written into the piping class rather than substituted at site.

Petroleum Refining
Steam & Power Piping
Pump & Valve Bodies
Cement Plants
Mining & Mineral Processing
Sugar & Distillery
Heat Exchangers
General Engineering
11 · In-House Route

410 SS Socket Weld Flanges Manufacturing Process

Eight controlled stages completed inside our Mumbai manufacturing units.

01 Bar Inward

Mill certificate checked Heat number logged

02 Billet Cutting

Cut to weight Heat marking retained

03 Heating & Forging

Controlled heating Closed-die forging

04 Ring Forming

Required ring dimensions Seamless section

05 Heat Treatment

Annealed or hardened Batch recorded

06 CNC Machining

Face and bore Drilling to standard

07 Inspection

PMI and hardness Dimensional verification

08 Marking & Packing

Heat number marked Export-ready packing

Global Reach

From Kenya To South Africa - AISI 410 Flanges, Ready to Ship.

Reliable Stainless Steel 410 Flanges Exporter supplying worldwide with complete material documentation.

Africa
South AfricaJohannesburg, SA
South AfricaDurban, SA
KenyaNairobi, Kenya
KenyaMombasa, Kenya
UgandaKampala, Uganda

ASTM A182 F6a Flange Supplier In Toronto - CRN Data Sheet Support

Certified 410 forgings backed by the material data your provincial submission asks for.

Get Supplier Quote
12 · Sealing Face

Steel 410 Industrial Flanges Face Types

The face decides the gasket, so name it on the purchase order alongside the class.

Raised Face (RF)Most-ordered face; the raised ring concentrates bolt load onto the gasket.
Flat Face (FF)Full-contact face used against cast or brittle-bodied equipment.
Ring Type Joint (RTJ)Machined groove takes a metal ring for high-pressure sealing.
Tongue & Groove (T&G)Mating pair traps the gasket and prevents it blowing outward.
Male & Female (M&F)Recessed pair that locates the gasket precisely on assembly.
Lap Joint FaceFlat backing face that bears against the stub-end lap, not the gasket.
13 · Buyer Benefits

Key Advantages of Stainless Steel F410 Blind Flanges

Why project buyers keep 410 on the approved list instead of defaulting to an austenitic grade.

Hardness You Can Dial In

  • Heat treatment sets the property class you need

Wear And Galling Resistance

  • Holds up where repeated make-and-break scores softer faces

Stable Input Cost

  • Minimal nickel keeps quotes steadier across a long project

Elevated Temperature Service

  • Retains useful strength in hot refinery and steam lines

Machines Cleanly

  • Annealed blanks cut well, giving crisp serrated faces

Easy Field Identification

  • Magnetic response plus PMI confirms grade in seconds
14 · Turnaround

SUS F410 Pipe Flanges Delivery Timeline

Choose the shipping option that fits your project schedule - lead times are confirmed after size, class and finish are finalized.

Ex-Stock Dispatch

Standard Stainless Steel 410 Flanges can be dispatched from our Mumbai facility within 4–6 days, subject to stock.

Sea Freight

FCL or consolidated LCL shipments generally take 20–38 days port to port, depending on the destination.

Air Freight

Priority air shipments can be arranged in around 4–7 days for urgent Stainless Steel 410 Flanges requirements.

Country-Specific ETA

Share your delivery location and we will confirm the estimated transit and delivery timeline.

15 · FAQs

Stainless Steel 410 Flanges FAQs

Quick answers to common questions about Stainless Steel 410 Flanges.

Which is better, SS 410 Flanges or 316 Stainless Steel Flanges?

410 offers higher hardness and wear resistance, while 316 provides better corrosion resistance in chloride environments.

What is the equivalent grade of AISI 410 Flanges?

Stainless Steel 410 corresponds to UNS S41000, EN 1.4006 and ASTM A182 F6a for forged flanges.

What is the hardness of SS F410 Slip On Flanges?

ASTM A182 F6a flanges typically range from 143–207 HBW annealed to 167–229 HBW hardened and tempered.

Do you export SUS F410 Pipe Flanges to South Africa, the UAE, Kenya and Canada?

Yes, Stainless Steel 410 Flanges can be supplied for export with the required inspection and documentation.

Are Werkstoff No 1.4006 Stainless Steel Reducing Flanges magnetic?

Yes, Stainless Steel 410 is magnetic because of its martensitic structure.

Stainless Steel 410 Flanges - Built On Trust With Mortec
Martensitic 12Cr forgings hardenable to your specified property class
Lap joint, long weld neck and blind blanks held ready in Mumbai
Brinell reading of your 410 heat printed on the certificate
Off-chart bores and metric marking cut for export drawings



Certifications & Credentials
Certified to PED 2014/68/EU for the manufacture of forged steel products
Stock, distribute and trade Steel Flanges, Nuts and Bolts, and precision-machined parts in Nickel Alloys, High Temperature Alloys and Super Alloys
Since 2012, exporting Oil and Gas piping items built to NACE MR0175 / ISO 15156 across the Egypt, Tunisia, Netherlands, Azerbaijan, South Africa, Algeria, Saudi Arabia and Morocco
Hold the largest import and stock inventory of bolting accessories, in both ferrous and non-ferrous metals, in India

Authorized Supplier For The Following Companies - Material At Reseller Price For Traders

Associated Companies - ADNOC, SABIC, Saudi Aramco, GASCO, ORPIC, KNPC, QATARGAS