ISO 9001 Certified ASTM A182 F55 Super Duplex Bolt Manufacturer Since 2012 Ex-Stock UNS S32760, MTC EN 10204 3.1 & 3.2 15+ Years, Exported to 15+ Countries

ASTM A182 F55 Bolts

ASTM A182 F55 Bolts At A Glance

Size RangeM3 – M56 • 1/8″ – 2–1/4″ Dia
Delivery TimeEx-Stock: Same Week • Mill-Order: 3–5 Wks
Length Range10mm – 300mm, Custom Cut On Request
Thread StandardMetric Coarse & Fine, UNC & UNF
ConditionSolution Annealed & Water Quenched
OriginIndian, European
Manufacturing ProcessHot Forged, Cold Forged, Machined
MTC CertificateEN 10204 3.1 and 3.2
Standard & DesignationASTM A182 F55, UNS S32760, WNR 1.4501
FormsBolts, Studs, Screws, Nuts, Washers
CNC-Rolled
Thread Precision
Pitch held to tolerance on solid UNS S32760 duplex bar
Full Set
Ex-Stock
Bolts, studs, nuts and washers in pickled & passivated finish
Phase-Checked
Every Batch
50:50 austenite-ferrite balance verified per heat for MTC 3.1
Sour & Marine
Qualified
NACE MR0175 / ISO 15156 compliant fasteners on request
Custom Cut
Threads & Length
Non-standard Zeron 100 pitch and length machined to drawing
Export
Ready Packing
Crated and heat-tagged per bolt-circle for site fitters
ASTM A182 F55 Bolts

 

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

Trusted UNS S32760 Stud Bolts Manufacturer in India With Metric Size M3 to M56 At Discounted Price

Sourcing high-alloy fasteners does not need to strain your budget. We machine our ASTM A182 F55 range fully in-house always. This keeps costs down while every batch carries full mill traceability. Alongside stud bolts, we also produce matching component types. This includes ASTM A182 Grade F55 Washers for your bolted joints. We also supply DIN 1.4501 Socket Head Cap Screw options too. This completes your bolted joint requirement in a single order. ASTM A182 F55 Bolts Supplier in India at lowest prices.

Our super duplex hardware is built for chloride-rich duty applications. This includes offshore platforms, desalination trains and marine structures too. The range covers ASTM A182 UNS S32760 Stud Bolt options fully. We also supply DIN 1.4501 Screws for demanding project requirements. Heavy-duty A182 Grade F55 Hex Nuts are also available with us. This includes precision-turned UNS S32760 Stud Bolts Ends too. We also stock genuine Zeron 100 threaded rod for buyers. Every lot is PREN-checked and phase-balanced before dispatch always. So you get corrosion-resistant, high-strength fasteners at competitive rates.

01 · Specification

ASTM A182 F55 Bolts Specification

Send your Zeron 100 Fasteners size list straight to our engineers for an instant ex-Mumbai quotation.

ASTM A182 F55 Bolts Specification

 

UNS S32760 Stud Bolts Head & Drive Types

  • Hex, square, socket cap head
  • Double-end stud, continuous thread

A182 Grade F55 Bolt Testing & Documentation

  • Tensile, hardness, PMI, PREN check
  • MTC 3.1, 3.2 third-party on request

ASTM A182 F55 Hex Bolts Coating & Surface

  • Pickled and passivated per ASTM A380
  • PTFE dry-film lubricant on request

Zeron 100 Studs Delivery Condition

  • Loose, boxed or bin-packed
  • Kitted with matching nuts/washers

UNS S32760 Threaded Rod Sour Service Compliance

  • NACE MR0175 / MR0103
  • ISO 15156 qualified

ASTM A182 F55 Studs Manufacturing Origin

  • Indian and European mills
  • Origin certificate on request
02 · Dimensions

UNS S32760 Stud Bolts Size Chart

Indicative hex-head dimensions only confirm exact across-flats and length against your drawing at RFQ stage.

Hex Bolt & Stud Size Reference - UNS S32760
Metric SizeThread Pitch (Coarse)Across Flats (AF)Head HeightLength Range
M30.55.5mm2.0mm10–40mm
M61.010mm4.0mm12–100mm
M81.2513mm5.3mm16–120mm
M101.517mm6.4mm20–150mm
M121.7519mm7.5mm25–200mm
M162.024mm10mm30–220mm
M202.530mm12.5mm35–250mm
M243.036mm15mm45–280mm
M303.546mm18.7mm55–300mm
M364.055mm22.5mm65–300mm
M485.075mm30mm80–300mm
M565.585mm35mm90–300mm

ASTM A182 F55 Bolts Manufacturer In Mumbai Since 2012

Share your UNS S32760 drawing or bolt list and we quote ex-stock the same day.

Request Quote Now
03 · Product Range

Super Duplex F55 Fastener Types

ASTM A182 F55 Bolts Manufacturer in India, offering ex-stock bolts, studs, screws, nuts and washers with full mill traceability.

ASTM A182 F55 Hex Bolts

ASTM A182 F55 Hex Bolts

ASTM A182 F55 • M3–M56
  • Metric coarse and UNC/UNF thread
  • Standard flange-bolting workhorse
UNS S32760 Stud Bolts

UNS S32760 Stud Bolts

ASTM A182 F55 • Full/Continuous Thread
  • Double-end or continuous thread
  • Common in RTJ & high-class flanges
ASTM A182 F55 Threaded Rod

ASTM A182 F55 Threaded Rod

Cut Length • 1–3m Bar
  • Cut and threaded to your length
  • Used for hanger & anchor rod work
DIN 1.4501 Socket Head Cap Screw

DIN 1.4501 Socket Head Cap Screw

DIN 912 • M3–M56
  • Low-clearance, tight-space fitting
  • Allen-key drive, high preload
A182 Grade F55 Hex Nuts

A182 Grade F55 Hex Nuts

Hex & Heavy Hex
  • Matched to F55 bolt/stud sizes
  • Heavy hex for high-torque joints
ASTM A182 Grade F55 Washers

ASTM A182 Grade F55 Washers

Flat & Spring Type
  • Load-spreading under bolt head
  • Spring type for vibration service
UNS S32760 Square Head Bolts

UNS S32760 Square Head Bolts

Legacy & Custom Fit
  • Anti-rotation square under-head
  • Matched to older flange patterns
Zeron 100 Screws

Zeron 100 Screws

Machine & Set Screw Forms
  • Fine-pitch instrumentation screws
  • Set screws for shaft/collar locking
Global Reach

Stocked & Dispatched Across The Middle East & GCC

Ex-stock Zeron 100 fastener kits and mill-order dispatch to buyers across the Gulf region.

Middle East & GCC
UAEJebel Ali, UAE
UAEAbu Dhabi, UAE
Saudi ArabiaDammam, KSA
TurkeyIzmir, Turkey
04 · Composition

ASTM A182 F55 Bolts Chemical Composition

High chromium-molybdenum-nitrogen composition per ASTM A182 gives F55 its 50:50 austenite-ferrite balance.

Chemical Composition - UNS S32760 (% by weight)
Cr24.0–26.0Chromium
Ni6.0–8.0Nickel
Mo3.0–4.0Molybdenum
N0.20–0.30Nitrogen
Cu0.50–1.00Copper
W0.50–1.00Tungsten
C0.03 maxCarbon
Mn1.00 maxManganese
Si1.00 maxSilicon
P0.030 maxPhosphorus
S0.010 maxSulfur
FeBalanceIron
05 · Strength Data

UNS S32760 Bolts Mechanical Properties

ASTM A182 F55 bolting properties vary widely with cross-section. Always confirm thickness at the RFQ.

Tensile Strength750–895 MPa / 109–130 ksi min
Yield Strength (0.2%)550 MPa / 80 ksi min
Elongation25% min
Hardness310 HBW max
06 · Cross-Reference

ASTM A182 F55 Bolts Material Equivalent

UNS S32760 F55 bolts cross-reference to equivalent grades across every major global standard.

USAASTM / ASME (USA)

  • UNS S32760
  • ASTM A182 F55 (Forging)
  • ASTM A276 F55 (Bar)
  • ASTM A479 F55 (Bar)

GermanyDIN / EN (Germany)

  • Werkstoff 1.4501
  • EN 10088-3 X2CrNiMoCuWN25-7-4

NorwayNORSOK / Offshore

  • NORSOK M-650 MDS D54, D57
  • NACE MR0175 / ISO 15156

UKTrade Name

  • Zeron 100® (registered trade name)
  • 25Cr Super Duplex, PREN ≥40

ASTM A182 F55 Bolts Exporter In India To Jebel Ali, UAE

Anti-galvanic separated packing keeps threads intact for the Gulf sea-freight run.

Request Export Quote
07 · Logistics

Zeron 100 Fasteners Delivery Estimate

Typical lead times by dispatch route treat these as planning figures.

Ex-Stock Dispatch

  • Same week ex our Mumbai stockyard

Sea Freight

  • 15–35 days port-to-port, route dependent

Air Freight

  • 3–6 days for urgent turnaround jobs

Country-Specific ETA

  • Locked in with your quotation once port is known
Global Reach

Stocked & Dispatched Across Africa

Container-ready Zeron 100 fastener kits for buyers across Southern and East Africa.

Africa
South AfricaDurban, South Africa
South AfricaCape Town, SA
KenyaMombasa, Kenya
UgandaKampala, Uganda
08 · UAE & GCC

UNS S32760 Stud Bolts NACE MR0175 / ISO 15156 Sour Service Compliance

The compliance check UAE and GCC wellhead-package buyers ask us first.

NACE MR0175
ISO 15156
NACE MR0103
310 HBW Hardness Cap
09 · Canada

F55 Super Duplex Bolts Low Temperature & Cold Climate Toughness

A standard pre-order check from Canadian pipeline and offshore buyers.

Good Toughness To −50°C
Sub-Zero Charpy Testing
Capped At +300°C Continuous
North Sea Offshore Proven
10 · South Africa & Kenya

Marine & Desalination UNS S32760 Fastener Pitting Resistance

Coastal buyers in Durban and Mombasa raise this question before every order.

PREN ≥40 Pitting Rating
Crevice-Stable In Seawater
RO Pressure-Vessel Bolting
FGD & Splash-Zone Duty
11 · Installation

ASTM A182 F55 Hex Bolts Recommended Torque Values

A common installation-stage query indicative dry-torque figures; confirm against your joint design and lubricant.

Indicative Dry Torque By Bolt Diameter
Bolt DiameterIndicative Dry Torque (Nm)
M12120–140
M16280–310
M20480–540
M24820–900
Global Reach

Stocked & Dispatched Across The Americas & Europe

Steady Zeron 100 fastener supply lines into North America and Western Europe.

Americas & Europe
CanadaCalgary, Canada
USAHouston, USA
MexicoMexico
VenezuelaVenezuela
UKAberdeen, UK
NetherlandsRotterdam, Netherlands
GermanyHamburg, Germany
ItalyGenoa, Italy

Discover Hot and Cold Forged Zeron 100 Fasteners and Threaded Rod for Marine Engineering

12 · Industries

ASTM A182 F55 Bolts Applications & Industries

The industries that specify F55 super duplex fasteners most often, and why.

Offshore & Subsea
Oil & Gas / Sour Service
Marine Shipbuilding
Desalination & RO Plants
Chemical Processing
Power & FGD Systems
Pulp & Paper
Valve & Flange Bolting
Global Reach

Stocked & Dispatched Across Asia-Pacific

Regional distribution reaching Southeast Asia’s marine and desalination hubs.

Asia-Pacific
SingaporeSingapore
ThailandBangkok, Thailand
MalaysiaPort Klang, Malaysia
PhilippinesManila, Philippines
IndonesiaJakarta, Indonesia
VietnamHo Chi Minh City, Vietnam

Zeron 100 Fasteners Supplier In Singapore - NORSOK MDS D54 Compliant

PMI-verified crates leave our stockyard ready for Singapore transshipment.

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Track Record

Super Duplex F55 Hex Bolt Supply References

A sample of recent Zeron 100 fastener dispatches across our Middle East, Africa and Americas customer base.

M20 UNS S32760 Studs & Nuts - Offshore Platform Riser Bolting

ASTM A182 F55, PMI & hydro-tested, EN 10204 3.1 MTC.

Offshore EPC Contractor, Saudi Arabia

DAMMAM, KSA

M16 ASTM A182 F55 Hex Bolts - Sour Gas Wellhead Package

NACE MR0175, third-party witnessed.

Oilfield Services Contractor, UAE

JEBEL ALI, UAE

M24 Zeron 100 Studs - RO Desalination Vessel Closure

Full traceability, third-party witnessed.

Desalination EPC Contractor, South Africa

DURBAN, SOUTH AFRICA

M12 UNS S32760 Socket Cap Screws - Cold-Climate Pipeline Skid

Sub-zero Charpy tested, MTC 3.1.

Pipeline Contractor, Canada

CALGARY, CANADA
FAQs

ASTM A182 F55 Bolts FAQs

Quick answers to the questions buyers ask us most before placing a Zeron 100 fastener order.

Is F55 Super Duplex Steel Bolt available ex-stock in India?

Yes, ex-stock M3 to M56 sizes available with EN 10204 3.1 MTC certification always.

Do you supply DIN 1.4501 Screws in machine and set screw types?

Yes, fine-pitch machine screws and locking set screws stocked in DIN 1.4501 grade.

Are A182 Grade F55 Hex Nuts matched to your bolt and stud sizes?

Yes, hex and heavy hex nuts are matched to every F55 bolt size supplied.

Can ASTM A182 F55 Threaded Rod be cut to custom lengths?

Yes, threaded rod is cut and threaded to your specified length on request.

Do you stock ASTM A182 Grade F55 Washers in flat and spring type?

Yes, flat load-spreading washers and spring washers both stocked for vibration-prone service joints.

ASTM A182 F55 Bolts - Built On Trust With Mortec
Balanced 50:50 phase structure verified on every super duplex heat
Bolts, studs, nuts & washers ex-stock in pickled-passivated finish
Every UNS S32760 batch PREN-tested and logged for MTC 3.1
Non-standard Zeron 100 thread pitch machined to your drawing, export-packed

Materials




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

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