Hastelloy C22 Fasteners

0 · at glance

Mortec At A Glance

Established

Since 2012 • 10+ yrs experience

Manufacturing Units

2 in-house units • Taloja & Mazgaon

Stockyard Area

8,850+ sq.ft • Ready-stock inventory

Certifications

ISO 9001:2015 • GST, IEC & MSME

Clientele

100+ clients • India & export markets

Export Reach

15+ countries • Africa, GCC & Americas

Testing Offered

Mechanical, chemical & IGC • MTC EN 10204 3.1 & 3.2

Shipment Documents

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

Table of Content

Hastelloy C22 Fastener Specification Hastelloy C22 Socket Set Screws Dimension WNR 2.4602 Fastener Finish & Coating Options Hastelloy C22 Fastener Equivalent Hastelloy C22 Stud Bolts Thickness Chart ASTM B574 UNS N06022 Fastener Types Hastelloy C22 Fasteners Pitting & Crevice Corrosion Resistance Hastelloy C22 Bolts NACE MR0175 Sour Service Compliance UNS N06022 Fasteners For FGD & Scrubber Systems ASME Nicrofer® 5621 Threaded Rod Size Chart Hastelloy C22 Fastener Delivery Timeline Hastelloy C22 Fasteners Applications Nickel Alloy C22 Hex Bolts Testing & Certification Alloy C22 Fasteners Chemical Composition Hastelloy C22 Bolt Mechanical Properties Hastelloy C22 Fasteners Price Factors

NABL Approved UNS N06022 Hex Nuts Manufacturer in India, Available in 3 to 200 mm Metric sizes

Flanged joints in aggressive, mixed-acid streams require specialized corrosion-resistant fasteners. Choose our precision-engineered Alloy C22 Fasteners for demanding applications. We supply fully certified UNS N06022 Hex Nuts for complex chemical processing. Our extensive ex-stock inventory ensures quick dispatch within days. That is why buyers across the Gulf, Africa and Southeast Asia turn to us for Hastelloy C22 fasteners.

Every Shipping leaves our works with full MTC, NACE MR0175 / ISO 15156 compliance on request. As a dedicated Hastelloy C22 fasteners exporter, we export directly from our forge without any expensive trader. We export directly from our forge without any expensive trader markup layers. Global buyers receive fast technical support and reliable delivery within a few days.

01 · Specification

Hastelloy C22 Fastener Specification

Share your size, grade and quantity for fast ex-Mumbai Alloy C22 Fasteners pricing, with MTCs supplied per shipment.

WNR 2.4602 Studs Head & Drive Styles

Hex head, socket head, button head
Countersunk & square neck styles

Alloy C22 Screws Thread Standards

ASME B18.2.1 / B18.2.2
ISO 4014/4017, DIN 933/931

Hastelloy C22 Stud Bolts Surface Finish

Bright annealed, passivated, self-colour
PTFE, Xylon & zinc coating on request

UNS N06022 Hex Nuts Testing & Documentation

PMI, IGC, tensile & hardness
MTC, third-party inspection on request

Hastelloy C22 Bolts Sour Service Compliance

NACE MR0175 / MR0103
ISO 15156 qualified lots available

Hastelloy C22 Screws Manufacturing Origin

Hot forged, cold headed or CNC machined
Indian & European mill sourced bar

UNS N06022 Fasteners Size Range

1/4" to 2" and M6 to M52 diameters
Custom lengths cut as per drawing

UNS N06022 Nuts & Washers Types

Hex, heavy hex, nylock & coupling nuts
Flat, spring, lock & conical washers

Alloy C22 Stud Bolts Chemistry & Grade

22% Cr, 13% Mo, 3% W, balance nickel
ASTM B574 bar, solution annealed condition

02 · Dimensions

Hastelloy C22 Socket Set Screws Dimension

UNS N06022 Hex Nuts: custom-machined from Hastelloy C22 Fasteners for locking collars and shafts.

Thread Size, d	Pitch, P (mm)	Hex Socket Size, s (mm)	Cup Diameter, dv max (mm)
M3	0.50	1.5	1.4
M4	0.70	2.0	2.0
M5	0.80	2.5	2.5
M6	1.00	3.0	3.0
M8	1.25	4.0	5.0
M10	1.50	5.0	6.0
M12	1.75	6.0	8.0
M16	2.00	8.0	10.0
M20	2.50	10.0	14.0
M24	3.00	12.0	16.0

Need a size outside this range or a cone/flat/dog point instead of cup? Send Us Your Drawing.

Crevice Corrosion Resistant Nicrofer® 5621 Threaded Rod and Screws with PTFE, Xylon and Zinc Coating

03 · Surface Options

WNR 2.4602 Fastener Finish & Coating Options

Coastal and marine buyers in Africa and the Gulf often add a coating layer for galling control or an extra corrosion barrier.

Bright Annealed / Self-Colour

Passivated

PTFE Coated

Xylon / Xylan Coated

Zinc Coated

Black Oxide

Need Mill Test Certificates With Your Fastener Order?

Each bolt lot is issued with full chemical and mechanical test records, upgradeable to 3.2 witnessed on request.

Request MTC Sample

04 · Cross-Reference

Hastelloy C22 Fastener Equivalent

UNS N06022 has regional equivalents, all sharing the same base Ni-Cr-Mo-W chemistry.

ASTM / AMS (USA)

UNS N06022
ASTM B574 (Rod & Bar Stock)
ASME SB574
AMS 5750 (Bar)

DIN / EN (Germany)

Werkstoff 2.4602
EN NiCr21Mo14W
DIN 17752 / DIN 17753

JIS (Japan)

NW6022
JIS H4551 / H4552 / H4553 / H4554

AFNOR (France)

NU-30M

ISO

NiCr21Mo13Fe4W3 (ISO 6207 / 6208)
ISO 9723 / ISO 9724

Common Trade Names

Hastelloy® C-22
Inconel® 622
Nicrofer® 5621

05 · Thickness

Hastelloy C22 Stud Bolts Thickness Chart

Size’s in (m)	Length Range (mm)	Dia in (mm)
3 -6	6 -50	3 -6
16 -24	25 -200	16 -24
8 -12	20 -100	8 -12
42 -48	100 -500	42 -48
30 -36	50 -300	30 -36

06 · Product Range

ASTM B574 UNS N06022 Fastener Types

We are a leading Hastelloy C22 Fasteners Supplier in India, backed by ex-stock inventory across bolts, studs, nuts and washers.

Hastelloy C22 Hex Bolt

ASME B18.2.1 • M3–M200

Wrench-fit head for chemical plant joints
Most-ordered form, held ex-stock

UNS N06022 Threaded Rod

Continuous & Double-End • Custom Length

Cut and threaded to your drawing
Preferred for scrubber flange bolting sets

Hastelloy C22 Socket Head Cap Screw

ISO 4762 / ASME B18.3

Allen-key drive for confined spaces
Available cup, cone & dog point set screws

WNR 2.4602 Hex Jam Nut

ASME B18.2.2 • M3–M200

Matched thread class to your bolt lot
Standard, jam or wing profile in stock

Nickel Alloy C22 Structural Washer

ASME B18.21.1

Flat and Belleville spring styles
Wide fender pattern for soft substrates

Hastelloy C22 Socket Set Screw

DIN 916 • Cup, Cone & Flat Point

Headless design for flush-fit locking
Common on agitator shafts & collars

Hastelloy C22 Fasteners Manufacturer In Mumbai Since 2012

Send size, quantity and condition – we quote ex-stock and mill-order lead times within hours.

Request Quote Now

07 · Corrosion Rating

Hastelloy C22 Fasteners Pitting & Crevice Corrosion Resistance

The property that brings most of our South African and Gulf process-industry buyers to Hastelloy C22 Bolts in the first place.

PREN (Pitting Resistance Equivalent): approx. 73

High chromium (20–22.5%) resists oxidizing chloride attack

Balanced Mo + W content protects against reducing acids

Outperforms 316L and Alloy 625 in mixed oxidizing/reducing duty

08 · Sour Service

Hastelloy C22 Bolts NACE MR0175 Sour Service Compliance

A frequent requirement from our Canadian and Middle East oil & gas buyers - here is what qualification covers.

Standard ReferencedNACE MR0175 / ISO 15156, cross-referenced with NACE MR0103 for refinery service.

Inherent QualificationSolution-annealed Alloy C22 qualifies without a supplementary hardness cap in most sour environments.

Heat Treatment RecordEvery qualified lot is traceable to a documented solution-anneal cycle at 1121°C.

Third-Party WitnessAvailable on request for critical wellhead and Christmas-tree bolting packages.

UNS N06022 Fasteners Exporter In India To UAE & Jebel Ali Port

Container-ready fastener pricing for Gulf buyers within 48 hours of your enquiry.

Request Export Quote

09 · Pollution Control

UNS N06022 Fasteners For FGD & Scrubber Systems

Power and mining plants across South Africa and Kenya specify Hastelloy C22 hardware for the wet/dry interface zone.

Spray Header Support Rods

Agitator & Mixer Shaft Fasteners

Thermowell & Instrumentation Mounts

Quench Nozzle Retaining Bolts

Absorber Tower Flange Studs

Mist Eliminator Fixing Hardware

10 · Size

ASME Nicrofer® 5621 Threaded Rod Size Chart

Inside Dia	Outside Dia	Thickness
3/4	13/16	2
7/8	15/16	21/4
1/2	9/16	13/8
11/8	11/4	23/4
2	21/8	41/2
13/4	17/8	4
15/8	13/4	33/4
1	11/16	21/2
17/8	2	41/4
21/4	23/8	43/4
5/8	11/16	13/4
11/4	13/8	3
11/2	15/8	31/2
3	31/8	51/2
21/2	25/8	5
23/4	27/8	51/4

11 · Turnaround

Hastelloy C22 Fastener Delivery Timeline

After PO confirmation and payment, your Hastelloy C22 fasteners leave Mumbai on the mode you choose below.

Ex-Stock Bolts & Nuts

Verified orders dispatch inside 3 business days

Sea Freight (FCL / LCL)

Cost-effective for bulk lots, roughly 10–30 days port to port

Air Freight

For urgent shutdown needs, typically 4–6 days door to door

Destination-Specific ETA

Share your delivery port and we confirm a firm date

12 · Industries

Hastelloy C22 Fasteners Applications

Find Hastelloy C22 Fasteners Manufacturer in India, delivering unmatched quality with fast, reliable dispatch.

Chemical Process Industry

Flue Gas Desulfurization

Oil & Gas / Sour Wellhead

Marine & Offshore Structures

Pharmaceutical Reactor Internals

Waste Water & Effluent Treatment

Pulp & Paper Bleach Plants

Pesticide & Agrochemical Production

Not Sure Which Hastelloy C22 Fasteners Fits Your Process?

Share your drawing or duty condition - we recommend the right form, thread and coating.

Talk to Our Engineer

13 · Quality

Nickel Alloy C22 Hex Bolts Testing & Certification

Contact Hastelloy C22 Fasteners Exporter providing quality inspections upon request with Mill Test Certificate.

PMI Testing

Tensile & Yield Test

Hardness Test

Chemical Analysis

IGC Test (ASTM G28)

Dye Penetrant

MTC 3.1 / 3.2

Third-Party Inspection

Heat & Lot Traceability

Complete Test Certificates

14 · Composition

Alloy C22 Fasteners Chemical Composition

Chemical Composition - UNS N06022 (% by weight, per ASTM B574)

NiBalanceNickel

Cr20.0–22.5Chromium

Mo12.5–14.5Molybdenum

Fe2.0–6.0Iron

W2.5–3.5Tungsten

Co2.5 maxCobalt

C0.015 maxCarbon

Mn0.50 maxManganese

Si0.08 maxSilicon

V0.35 maxVanadium

P0.02 maxPhosphorus

S0.02 maxSulfur

15 · Strength Data

Hastelloy C22 Bolt Mechanical Properties

ASTM B574 Minimum Properties - Hot or Cold Finished, Solution Annealed Rod

Tensile Strength690 MPa / 100 ksi min

Yield Strength (0.2%)310 MPa / 45 ksi min

Elongation45% min

Typical Physical Properties (Manufacturer Data, Not ASTM-Mandated)

Density8.69 g/cm³

Melting Range1357–1399°C (2475–2550°F)

Hardness95 HRB max (typical)

16 · Pricing

Hastelloy C22 Fasteners Price Factors

Four variables move the per-piece or per-kg price most - share yours for an accurate quote.

Nickel, Chromium & Moly IndexBase metal cost tracks the daily London Metal Exchange rates.

Size & LengthLarger diameter and longer studs raise raw bar weight.

Coating & FinishPTFE or Xylon coating adds a processing step over bright annealed.

Testing LevelIGC testing, NACE qualification or third-party witness add to the invoice.

Alloy C22 Fasteners Manufacturer In Durban, NACE MR0175 Compliant

Sour-service qualified lots dispatched with full traceability to your Durban port agent.

Get Supplier Quote

15 · FAQs

Alloy C22 Fasteners FAQs

Quick answers to the questions buyers ask us most before placing an order for Hastelloy C22 Fasteners.

What is the price basis for Nickel Alloy C22 U-Bolts and Eye Bolts?

Hastelloy C22 U-bolt pricing depends on daily nickel-moly rates, size, condition and testing - share your details for factory price.

What is the equivalent grade for Alloy C22 Studs (UNS N06022)?

UNS N06022 matches DIN 2.4602, NiCr21Mo14W and ASTM B574 chemistry, supplied as ASTM F468 studs with Hastelloy C22 equivalent certification.

Do you export Hastelloy C22 Flat Washers and Lock Washers to Africa and the Middle East?

Yes - we dispatch alloy C22 washers to ports across the GCC, Africa, Southeast Asia and the Americas with EN 10204 3.1 MTC.

Is Nickel Alloy C22 Hex Bolts and Stud Bolts suitable for sour gas (NACE) service?

Yes - Hastelloy C22 hex bolts meet NACE MR0175 / ISO 15156 in the solution-annealed condition, so confirm PMI and hardness when ordering.

What surface finishes and threads are available on Hastelloy C22 Fasteners and Screws?

Alloy C22 screws are offered bright annealed, passivated, PTFE, Xylan or zinc coated, with UNC, UNF, BSW and metric threads to ASME B18.2.1, DIN 931 / 933.

Hastelloy C22 Fasteners Quick Facts