Why Buyers Pick Ganpat Industrial For Alloy Steel B6 Washers ?
Type 410 Chemistry Checked
UNS S41000 heats verified before every washer is blanked.
Heat Exchanger & Alloy Parts
A distributor of heat exchanger parts and high-temperature alloys.
Deep Stainless Stock
Importer and stockholder of ferrous, non-ferrous, austenitic and ferritic steel.
Sharp Per-KG Pricing
We compare price per kg across India and China for you.
Resale Rates For Traders
Resale pricing for suppliers and wholesalers in UAE, Saudi Arabia, Egypt and USA.
Alloy Steel B6 Washers Abstract
- 1Product Range: Flat, Lock, Sealing, Split, Slot,
Machine, Star Washers and Springs - 2Size Range: M3 – M56, custom sizes on drawing
- 3Specification: ASTM A193 / ASME SA193 Grade
B6 - 4Material: UNS S41000, WERKSTOFF NR. 1.4006
- 5Standards: IS, ASTM, BS and international
standards - 6Certificates: EN 10204 3.1 mill test
certificate
Ganpat Industrial Corporation supplies Alloy Steel B6 Washers matched to A193 B6 studs and bolts. These washers hold up under high heat and pressure. Precise dimensions give each washer a long service life. About 13% chromium resists oxidation and fresh water attack. Installation stays simple and maintenance stays low. Cooling towers, chilled water machines and fuel oil systems use them daily. Water distribution lines, medical gas systems and heat exchangers rely on them too.
Mumbai · Alloy Steel B6 Washers Manufacturer & Exporter
Precision Alloy Steel B6 Washers Built For Hot, High-Pressure Joints
Ganpat Industrial Corporation has served buyers since 1997. We forge fasteners, bars,
fittings and flanges. We also stock and export pipes, plates and tubes. Our Alloy Steel B6 Washers ship to oil
and gas, power and chemical plants worldwide. We always work to international quality standards. Your operating
needs decide the size, style and paperwork.
- ✓Since 1997
- ✓ISO 9001:2015
- ✓ISO 14001:2015
- ✓OHSAS 18001:2007
- ✓PED Certified
- ✓Petrofac Approved
Wear-Resistant UNS S41000 Flat Washer Manufacturer in India with MTC
Alloy Steel B6 Washers Specification
B6 Washer Size Range
- Size: M3 – M56
- Listed range: 3 mm – 200 mm
- Custom sizes on drawing
Governing Specification
- ASTM A193 / ASME SA193
- Grade B6, Type 410 chemistry
- IS, ASTM, BS standards
Material Identity
- UNS S41000
- WERKSTOFF NR. 1.4006
- 13% Cr martensitic steel
Washer Styles
- Flat, Lock, Sealing
- Split, Slot, Machine, Star
- Wire Spring & Flat Spring
Testing On Every Lot
- Hardness & spectro analysis
- PMI testing
- Dimensional inspection
Paperwork Included
- EN 10204 3.1 MTC
- Third party inspection report
- Traceability records
A193 B6 Flat Washer Size Chart
An expert Alloy Steel B6 Washers supplier in India delivers corrosion-resistant bolting
solutions quickly.
| Bolt Size | Bore (d1) | Outer Dia (d2) | Thickness (s) |
|---|---|---|---|
| M3 | 3.2 | 7 | 0.5 |
| 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 |
| M16 | 17.0 | 30 | 3.0 |
| M20 | 21.0 | 37 | 3.0 |
| M24 | 25.0 | 44 | 4.0 |
| M30 | 31.0 | 56 | 4.0 |
| M36 | 37.0 | 66 | 5.0 |
Types Of Alloy Steel B6 Washers
Ten washer styles from stock. More shapes are punched to your drawing.
Alloy Steel B6 Plain Washers
DIN 125
Alloy Steel B6 Flat Washer
ISO 7089
Alloy B6 Lock Washers
ASME B18.21.1
UNS S41000 Sealing Washers
Leak Control
B6 Alloy Steel Star Washers
DIN 6798
ASTM A193 Alloy Steel Machine Washer
Machined
Alloy Steel B6 Spring Washer
DIN 127 B
ASTM A193 B6 Alloy Steel Split Washer
Split Type
Alloy Steel B6 Square Washers
Square
B6 Alloy Steel Conical Washer
DIN 6796
Punched Washer✓AS B6 Round Washer✓Alloy Steel B6 Fender Washer✓B6 AS Spherical Washer✓A193 AS
B6 Wire Spring✓DIN 1.4006 B6 Flat Spring✓Alloy Steel WERKSTOFF NR. 1.4006 B6 Flat Washer
Need B6 washers in your size?Share the drawing. Get a quote today.
Flat Washer Vs Spring Washer In B6
Flat Washer
- Spreads bolt load over a wider area
- Protects the mating surface
- DIN 125 / ISO 7089 sizes
- Pair with a lock washer
Spring Washer
- Spring tension resists loosening
- Handles mild vibration
- DIN 127 B rectangular section
- Sits under the nut
Weekly Delivery of Alloy Steel B6 Washers in below countries:
| Export to | Continent | Shipping time |
|---|---|---|
 Saudi Arabia |
Asia | 6 Days |
 Qatar |
Asia | 6 Days |
 UAE |
Asia | 5 Days |
 USA |
North America | 40-60 Days |
UNS S41000 B6 Washer Chemical Composition
About 13% chromium gives the wear and corrosion balance.
Heat Treatment Process Of B6 Washers
Hardening and tempering set the final strength.
Hardening
- Grade B6 is hardened before tempering.
Tempering
- Tempered at 593 °C (1100 °F) minimum.
Holding Time
- Held at temperature for 1 hour minimum.
Quench Rule
- Water quenching is not used after heading or threading.
Stress Relief
- Cold-drawn stock is stress relieved after drawing.
Result
- Heat treatment sets the tensile and yield values.
Mechanical Properties Of B6 Alloy Steel Washers
Minimum values from ASTM A193M for Grade B6, up to M100.
Tensile Strength
760 MPa min
110 ksi
Yield Strength (0.2%)
585 MPa min
85 ksi
Elongation
15% min
In 4D
Reduction Of Area
50% min
Tempered at 593 °C min
Physical Properties Of B6 Alloy Steel Star Washers
Choose a trusted Alloy Steel B6 Washers supplier in India for high-temperature fastening
applications.
| Property | Typical Value |
|---|---|
| Density | 7.73 – 7.74 g/cm³ |
| Modulus Of Elasticity | 200 GPa |
| Thermal Conductivity (100 °C) | 24.9 W/m·K |
| Mean Thermal Expansion (0 – 100 °C) | 9.9 µm/m·K |
| Specific Heat (0 – 100 °C) | 0.46 kJ/kg·K |
| Electrical Resistivity (20 °C) | 57 µΩ·cm |
| Melting Range | About 1480 – 1530 °C |
| Magnetic Response | Magnetic |
A193 AS B6 Wire Spring Equivalent Grades
Use these names to match drawings and purchase orders.
UNS
S41000
AISI / ASTM
Type 410
WERKSTOFF NR.
1.4006
EN / DIN
X12Cr13
BS
410S21
Bolting Grade
A193 / SA193 B6
DIN 1.4006 B6 Flat Spring Surface Finish Options
Choose a finish that suits your joint and setting.
Mill (As Supplied)
- Standard finish for most bolting applications.
Black Oxide
- A thin conversion coating for indoor hardware.
Phosphate Coating
- A base layer under oil or a top coat.
Machined Finish
- Smooth face for gasket and seal contact.
Monthly Delivery of Alloy Steel B6 Washers in below countries:
| Export to | Continent | Shipping time |
|---|---|---|
 Nigeria |
Africa | 22 Days |
 Indonesia |
Asia | 18 Days |
 Malaysia |
Asia | 10 Days |
 Brazil |
South America | 35-40 Days |
A193 B6 Punched Washers Deliver Excellent Wear Resistance and Strength for Valve and Oil & Gas Industry
Application Industries Of B6 Alloy Steel Conical Washer
Off-Shore Oil Drilling
Power Generation
Petrochemicals
Gas Processing
Specialty Chemicals
Pharmaceuticals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
Heat Exchangers
Condensers
Pulp & Paper
Cooling Towers
Chilled Water Machines
Fuel Oil Systems
Valve Assemblies
Buying for a valve or oil & gas project?Tell us the spec. We confirm stock and lead time.
Testing Methods For ASTM A193 B6 Washers
A premier Alloy Steel B6 Washers manufacturer in India machines exact tolerances for turbines.
Tensile Test
Confirms 760 MPa min strength.
Hardness Test
Rockwell or Brinell check per lot.
Spectro Analysis
Chemistry matched to UNS S41000.
PMI Testing
Alloy identity confirmed on the piece.
Micro & Macro Test
Structure and defect review.
Dimensional Check
OD, ID and thickness verified.
A193 B6 Punched Washers Test Certificates & Documentation
Manufacturer Test Certificate
Every dispatch carries an MTC linked to its heat number. 3.2 available with third
party.
Commercial Invoice
Includes HS Code
Export
Packing List
Net & gross weight, boxes, marks and numbers
Export
Certificate Of Origin
Attested by Chamber of Commerce or Embassy
Legalised
Fumigation Certificate
For fumigated wooden pallets
Shipping
Raw Material Test Reports
With material traceability records
Traceable
QAP & Heat Treatment Charts
Quality plan and tempering records
Quality
NACE MR0175 / MR0103
Test certificates when your project asks
On Request
Also Available
Guarantee Letter, NABL lab reports, WPS/PQR, Form A (GSP)
On Request
HSN Code For Alloy Steel B6 Square Washers
HSN 7318 covers washers of iron or steel in India.
HSN Code
7318
Sub-Heading
731822, Other Washers
GST Rate
18% (9% CGST + 9% SGST)
IGST (Export/Import)
18%
Alloy Steel B6 Washers Price Factors
Six factors decide your final rate.
Quantity✓Washer Style✓Test Certificate Type✓Destination Port
Need An Alloy Steel B6 Washer Price?Send size, style and quantity. Our team replies with a
firm quote.
Export Packaging Of Alloy Steel B6 Slot Washers
OE Customers
Daily dispatch in customer-specific plastic bins.
Corrugated Boxes
Washers are packed in sturdy corrugated boxes.
Export Pallets
Boxes ship on wooden Euro pallets.
Final Prep
Pallets are fumigated, wrapped, labelled and strapped.
Alloy Steel Packaging
AS Washer Packaging
Alloy Steel B6 Washers FAQ
What grade is used in Alloy Steel B6 Washers?
ASTM A193 Grade B6 is a 13% chromium martensitic steel. It matches UNS S41000, also called Type 410.
How strong is an Alloy Steel B6 Flat Washer?
Grade B6 needs 760 MPa tensile and 585 MPa yield, both minimum. Elongation is 15% minimum.
Are UNS S41000 Sealing Washers magnetic?
Yes. Type 410 stays magnetic in both annealed and hardened conditions.
Can you make A193 B6 Punched Washers to drawing?
Yes. Send the OD, ID and thickness. We quote punched, slot and fender styles.
How do I get a price for Alloy B6 Lock Washers?
Prices move with size, style and quantity. Message us on WhatsApp for a quote.
Learn About Our Distribution Network
| Morocco | Kenya | Gabon | Houston | Dubai | Tunisia |
| Abu Dhabi | South Africa | Nigeria | Mozambique | USA | Oman |
| Saudi Arabia | Riyadh | Dammam | Al-Khobar | UAE | Al Jubail |
| Angola | Ethiopia | Egypt | Zambia | Ghana | Tanzania |
| New South Wales | Indiana | Texas | California | Algeria | Carolina |
6 Reasons to choose Ganpat Industrial Corporation
- Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
- Stockholder and importer of Ferrous and non ferrous metals.
- Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
- Marine grade steel at lowest price in Mumbai.
- Compare Price per KG in India and China.
- Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA