Hastelloy B2 Washers

Why Buyers Choose Ganpat Industrial For Hastelloy B2 Washers?

Zero-Chromium Ni-Mo Heats

Every Hastelloy B2 Plain Washer cut from 26–30% Mo, mill-certified UNS N10665 stock

One Enquiry, Full Range

UNS N10665 Flat Washer to Hastelloy B-2 Sealing Washer — full range on a single PO

HCl-Duty Certified

ASTM B619 Lock Washer heats • ASME SB619 • EN 10204-3.1 on every lot

Reducing-Acid Verified

PMI • hardness • dimensional — every Werkstoff 2.4617 Square Washer checked before dispatch

Quote In 24 Hours

Nimofer 6928 Spring Washer ready stock in standard sizes — ships same week

Hastelloy B2 Washer Overview

• 1Type: Plain, Flat, Spring, Square, Lock, Sealing
• 2Size Range: M4 to M36 • OD 9 mm to 66 mm • per ISO 7089
• 3Common Grades: UNS N10665, Werkstoff 2.4617, Nimofer 6928
• 4Finish: Solution Annealed, Pickled, Bright, Machined
• 5Standards: ASTM B619, ASME SB619, ASME B18.22.1, ISO 7089
• 6Origin: Indian origin • European origin • USA origin

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Hastelloy B2 washers hold their dimensional integrity. Standard steel and stainless washers dissolve quickly. Acid duty joints require reliable fastener components. These washers survive full plant service life. Hydrochloric acid causes rapid metal loss elsewhere. High nickel content prevents pitting and stress cracking. Excellent thermal stability ensures zero joint leakage. Chemical processors choose Hastelloy B2 for reliability. Ganpat Industrial stocks all washer sizes. Standard and custom dimensions ship out quickly.

Mumbai · Hastelloy B2 Washers Manufacturer India

Hastelloy B2 Washers Engineered For Hydrochloric Acid Duty Where Stainless Steel Fails

Ganpat Industrial forges and supplies UNS N10665 / Werkstoff 2.4617 Washers for buyers running HCl regeneration units, sulphuric acid plants, vacuum furnaces and pulp bleaching lines across India, the UAE and the Middle East.

• ✓ISO 9001:2015
• ✓ISO 14001:2015
• ✓OHSAS 18001:2007
• ✓PED Certified
• ✓NACE MR0175 On Request

 

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View Specification

Source ASME SB619 Alloy Washer Supplier In India In Size Range Of M6 To M100

Hastelloy B2 Washers Specification

Hastelloy B2 Washer Material

• UNS N10665
• Werkstoff 2.4617
• ASTM B619 / B622
• Nimofer 6928

Hastelloy B2 Washer Testing

• PMI Testing
• IGC Test
• Dimensional Check
• Third-Party Inspection

Hastelloy Alloy B2 Washer Origin

• Indian Origin
• European Origin
• USA Origin
• Traceable To Heat Number

Hastelloy B-2 Washer Size Range

• ID: M4 – M36
• OD: 9 – 66 mm
• Thickness: 0.8 – 5 mm
• Custom sizes on drawing

Hastelloy B2 Washer Documentation

• EN 10204-3.1 MTC
• NABL Lab Report
• Packing List
• Certificate Of Origin

UNS N10665 Washer Surface Finish

• Solution Annealed
• Pickled & Descaled
• Machined
• Natural / Mill Finish

Hastelloy B2 Washer Production Route

• Precision Blanking
• CNC Punching
• Cold Forming (Spring/Lock)
• Deburring & Tumbling

Werkstoff 2.4617 Governing Standard

• ASTM B619
• ASME SB619
• ASME B18.22.1
• ISO 7089 / 7090 / 7091

Nimofer 6928 Chemical Resistance

• Hydrochloric Acid
• Sulphuric Acid
• Acetic & Phosphoric Acid
• Zero Chromium Alloy

UNS N10665 Flat Washer Size Chart

Hastelloy B2 Flat Washer Dimensions — Metric Series (Per ISO 7089)
Nominal Size	Inner Dia (ID) mm	Outer Dia (OD) mm	Thickness mm
M4	4.3	9	0.8
M5	5.3	10	1.0
M6	6.4	12	1.6
M8	8.4	16	1.6
M10	10.5	20	2.0
M12	13.0	24	2.5
M14	15.0	28	2.5
M16	17.0	30	3.0
M18	19.0	34	3.0
M20	21.0	37	3.0
M22	23.0	39	3.0
M24	25.0	44	4.0
M27	28.0	50	4.0
M30	31.0	56	4.0
M36	37.0	66	5.0

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Hastelloy B2 Lock Washer Application

Hydrochloric Acid Regeneration

Sulphuric Acid Processing

Chlorination & Bleaching Plants

Pulp & Paper Digesters

Acetic Acid & Pharma Synthesis

Vacuum Furnace Fixtures

Nuclear Fuel Reprocessing

Pickling & Etching Lines

Types Of Hastelloy B2 Washers

Hastelloy B2 Plain Washer

ISO 7089

UNS N10665 Flat Washer

ASME B18.22.1

Werkstoff 2.4617 Spring Washer

DIN 127

Hastelloy Alloy B2 Square Washer

Square Plate

ASTM B619 Lock Washer

DIN 137

Hastelloy B-2 Sealing Washer

Bonded Seal

Hastelloy Alloy B2 Square Washer Weight Chart

Approx. Weight Per 100 Pcs (kg) — Calculated At 9.22 g/cm³ Density
Size	OD × ID × Thk (mm)	Weight/100 Pcs (kg)
M6	12 × 6.4 × 1.6	0.12
M8	16 × 8.4 × 1.6	0.22
M10	20 × 10.5 × 2.0	0.42
M12	24 × 13.0 × 2.5	0.74
M16	30 × 17.0 × 3.0	1.33
M20	37 × 21.0 × 3.0	2.02
M24	44 × 25.0 × 4.0	3.80
M30	56 × 31.0 × 4.0	6.30
M36	66 × 37.0 × 5.0	10.82

 

What Actually Moves The Price

◆Size & Thickness
◆Order Quantity
◆Type (Flat / Lock / Spring)
◆Testing & Certification

Get a live Hastelloy B2 Washer quote todayFactory price, ready stock on standard sizes, and no minimum order penalty on repeat buyers.

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ASME SB619 Sealing Washer Pressure Rating

Class 150

19.6 Bar

Ambient rated, joint duty

Class 300

51.1 Bar

Ambient rated, joint duty

Class 600

102.1 Bar

Ambient rated, joint duty

Class 900

153.2 Bar

Ambient rated, joint duty

Class 1500

255.4 Bar

Ambient rated, joint duty

Class 2500

425.6 Bar

Ambient rated, joint duty

Design Basis

ASME B16.5

Nickel-alloy material group

Service Temp.

-198°C to 425°C

Cryogenic to hot acid duty

ASTM B619 Spring Washer Schedule Chart

Washer Series — Thickness Schedule (Per ASME B18.22.1)
Bolt Size	Narrow Series (mm)	Regular Series (mm)	Wide Series (mm)
M6	1.0	1.6	2.0
M8	1.2	1.6	2.5
M10	1.6	2.0	3.0
M12	2.0	2.5	3.5
M16	2.5	3.0	4.0
M20	3.0	3.0	5.0
M24	3.5	4.0	6.0
M30	4.0	4.0	7.0

Werkstoff WNR 2.4617 Plain Washer Chemical Composition

Per ASTM B619 / UNS N10665

Molybdenum

26.00–30.00%

Iron

≤ 2.00%

Chromium

≤ 1.00%

Cobalt

≤ 1.00%

Manganese

≤ 1.00%

Vanadium

0.20–0.40%

Silicon

≤ 0.10%

Carbon

≤ 0.02%

Phosphorus

≤ 0.025%

Sulphur

≤ 0.030%

Nickel

Balance

Nimofer 6928 Flat Washer Mechanical Properties

Solution Annealed Condition

Tensile Strength (MPa)

≥ 690

Load Bearing

Yield Strength (MPa) (0.2%)

≥ 283

Design Limit

Elongation (50mm)

≥ 40%

Ductility

Hardness

≤ 100 HRB

Wear Resistance

Hastelloy B-2 Square Washer Material Equivalent

ASTM / ASME

• B619 / SB619
• B622 / B626
• B333 / B335
• B564 / B462

EN / DIN

• Werkstoff 2.4617
• DIN 17744
• DIN 17751 / 17752

JIS

• NW0665
• JIS H4552

IS

• Grade UNS N10665
• IS 6911 (Ref.)

GB

• GB/T 15007
• NS3305

Trade Names

• Hastelloy B-2
• Nimofer 6928
• Jessop 700

Hastelloy B2 Washer Test Certificates

3.1MTC

Mill Test Certificate 3.1

Every Hastelloy B2 Flat Washer and ASME SB619 Sealing Washer dispatch is issued with an EN 10204-3.1 Mill Test Certificate, traceable to the original UNS N10665 heat number and cross-checked against ASTM B619 chemistry and mechanical limits before it leaves the factory.

TraceabilityHeat & batch number

StandardEN 10204 / ASTM B619

IssuedWith every dispatch

Hastelloy B2 Washer Material Testing

Ganpat Industrial is a dependable Hastelloy B2 Washers Supplier in India providing 100% tested material with test certificates.

PMI Testing

Positive Material Identification on every Hastelloy B2 Plain Washer lot to confirm molybdenum content

Intergranular Corrosion Test

Confirms Hastelloy Alloy B2 Lock Washer heat-affected zone resistance per ASTM G28

Dimensional Check

UNS N10665 Square Washer OD, ID & thickness verified against drawing tolerance

Hardness Test

Confirms each ASTM B619 Flat Washer meets solution-annealed hardness limits

Visual & Surface Check

Every Hastelloy B-2 Spring Washer screened for burrs, pitting & finish defects

Third-Party Inspection

TPI available on request for large Werkstoff 2.4617 Sealing Washer export orders

Hastelloy B2 Washer Documentation

NABL Lab Report

Independent chemistry & mechanical results for every Hastelloy B2 Sealing Washer lot

On Request

Packing List

Itemised UNS N10665 Plain Washer piece count, weight & carton breakup

Every Order

Certificate Of Origin

For Hastelloy Alloy B2 Flat Washer customs clearance & import duty processing

Export Orders

Commercial Invoice

PO-matched ASME SB619 Square Washer invoice with HSN & GST breakup

Every Order

Hastelloy B2 Washer Export Packaging

Ganpat Industrial is a reliable Hastelloy B2 Washers Supplier in India offering international standard export packaging.

1

Poly Bag & Carton

Retail-ready packing for small Hastelloy B2 Spring Washer orders

2

VCI Anti-Rust Wrap

VCI layer protects each Nimofer 6928 Sealing Washer in long transit

3

Wooden Pallet Box

For bulk Hastelloy B-2 Plain Washer quantities

4

Export Vacuum Pack

Moisture-sealed Werkstoff WNR 2.4617 Flat Washer packs for sea freight

5

Container Stuffing

Load-secured FCL & LCL stuffing of ASTM B619 Square Washer cartons

6

Custom Labelling

Hastelloy Alloy B2 Lock Washer cartons marked with PO number per buyer requirement

EN 10204-3.1 Lock Washer Price List

Get updated rates directly from Ganpat Industrial, a trusted Hastelloy B2 Washers Manufacturer in India.

HSN Heading

7318

Screws, bolts, nuts & washers of nickel alloy

Flat / Plain Washer

7318 22 00

Non-threaded: Hastelloy B2 Flat Washer & Plain Washer

Spring / Lock Washer

7318 21 00

Non-threaded: UNS N10665 Spring Washer & Lock Washer

GST Rate

18%

Standard rate on nickel alloy washers

 

Get Today’s Hastelloy B2 Washer PriceAlloy price moves with LME nickel & molybdenum — lock a factory quote before your budget goes stale.

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Hastelloy B2 Washer Certification & Testing Flow

Heat Selection

Mill-certified UNS N10665 Sealing Washer heat traced to source

PMI & IGC Test

Hastelloy B2 Square Washer molybdenum & HAZ resistance confirmed

Dimensional Check

Hastelloy B-2 Lock Washer OD / ID / thickness cross-verified with drawing

MTC 3.1 Issue

EN 10204-3.1 Plain Washer certificate released with dispatch

Werkstoff Hastelloy B2 Washers Delivered Weekly To The Following Countries

Export To	Countries	Continent	Shipping Time	Ports
Kuwait	Kuwait	Asia	10 Days	Shuaiba
Nigeria	Nigeria	Africa	30 Days	Calabar
Netherlands	Netherlands	Europe	30 Days	Rotterdam

Monthly Delivery Of Hastelloy B2 Washers To Below Countries

Export To	Countries	Continent	Shipping Time	Ports
Morocco	Morocco	Africa	45 Days	Tanger Med
Colombia	Colombia	South America	45 Days	Buenaventura

Frequently Asked Questions

Is a Hastelloy B2 Plain Washer magnetic?

No. It is essentially non-magnetic.

Can a UNS N10665 Flat Washer be used in hydrochloric acid?

Yes. It is built for HCl at all concentrations and temperatures.

Is a Hastelloy Alloy B2 Spring Washer resistant to oxidizing acids?

No. It should not be used in nitric acid or oxidizing environments.

Is Nimofer 6928 the same as a Hastelloy B-2 Square Washer material?

Yes. Both are chemically identical under UNS N10665.

What certification comes with an ASTM B619 Lock Washer?

Every lot ships with an EN 10204-3.1 Mill Test Certificate.

What is the minimum order quantity for a Werkstoff 2.4617 Sealing Washer?

We supply trial lots to full container loads.

Need Hastelloy B2 Washers, Rings Or Discs On Your Drawing?

Manufacturer & Exporter based in Mumbai — serving India, UAE & the Middle East with ready stock and custom sizes.

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Check Out Your Nearby Regions For Fastest Deliveries

Regions	Country
South Carolina	USA
North America	USA, Canada, Mexico
South America	Brazil, Argentina, Colombia
North Africa	Egypt, Morocco, Algeria
West Africa	Nigeria, Ghana, Senegal
East Africa	Kenya, Ethiopia, Tanzania
Middle East	Saudi Arabia, Iran, Iraq
South Asia	India, Pakistan, Bangladesh
East Asia	China, Japan, South Korea
Melanesia	Fiji, Papua New Guinea