Why Buyers Pick Ganpat For Stainless Steel 316 Screw?

Since 1997

Mumbai forger and stockist of stainless fasteners

ISO 9001:2015

Certified quality management system

ISO 14001:2015

Certified environmental management system

PED & Petrofac Approved

PED certified and Petrofac approved supplier

Full Documentation

Test certificates issued with every order

Stainless Steel 316 Screw At A Glance

1Material Basis: Austenitic Stainless Steel 316
Screws • UNS S31600 • Werkstoff Nr. 1.4401
2Governing Standards: ASTM A193 B8M • ISO 3506-1
A4-70 / A4-80 • ISO 4762 / DIN 912
3Size Range: M2 To M100, Socket, Hex, Countersunk,
Set & Machine Screws
4Pitting Resistance: Molybdenum Held At 2.00 To
3.00% For Chloride Duty
5Equivalents: 1.4401 • 1.4436 •
X5CrNiMo17-12-2 • SUS 316 • 316S31
6Best Fit: Offshore Piping, Marine Fittings &
Chemical Plant Assemblies

Request Quote Whatsapp Call Us

Mumbai desk • WhatsApp +91 85912 64209 • Size-wise quote on request

Ganpat Industrial Corporation has forged and stocked fasteners in Mumbai since 1997. We work as a manufacturer, stockist and exporter. Our 316 Stainless Steel Screw range covers ASTM A193 B8M and ISO 3506 A4 grades. Sizes run from M2 to M100. Austenitic Stainless Steel 316 Screws carry 2.00 to 3.00 percent molybdenum. That molybdenum guards against chloride pitting. Buyers choose SS 316 Screw grades for offshore piping and marine fittings. Our 316 SS Socket Head Cap Screws follow ISO 4762 and DIN 912. We also supply ASTM A193 Stainless Steel Screw lots for pressure piping and flanges. Pan and countersunk heads suit A193 SS 316 Machine Screw orders. Stainless Steel 316 Counter Sunk Screw orders follow ISO 10642. Our ISO 9001:2015, ISO 14001:2015 and OHSAS 18001:2007 certificates back every order. We are also PED Certified and Petrofac Approved. Send your size list on WhatsApp for a quick quote.

Mumbai · Stainless Fasteners Manufacturer, Stockist & Exporter

SS 316 Screw Supply For Chloride-Heavy Marine And Process Jobs

Buy A193 B8M grade screws from a certified Mumbai supplier. Send your size list for a
quote.

✓ISO 9001:2015
✓ISO 14001:2015
✓OHSAS 18001:2007
✓PED Certified
✓Petrofac Approved

Get Quick Quote →View Specification

UNS Designation

S31600

Werkstoff Nr. 1.4401

Molybdenum

2.00 – 3.00%

Pitting resistance in chlorides

Governing Standard

ASTM A193 B8M

Class 1 and Class 2

Size Range

M2 – M100

Metric threads

Torque Tested A193 316 SS Hex Head Screws Supplier in India Offering Size M2 to M100

Specification Of Stainless Steel 316 Screw

Every order is checked against this specification sheet.

Material Basis

Austenitic 316 stainless steel
UNS S31600
Werkstoff Nr. 1.4401
2.00 – 3.00% molybdenum

Governing Standards

ASTM A193 Grade B8M
ISO 3506-1 A4-70 / A4-80
ISO 4762 / DIN 912
ISO 4017 / DIN 933

Size Range

M2 To M100
Metric threads
Lengths as per order
Custom sizes on request

Delivery Condition

Class 1: carbide solution treated
Class 2: also strain hardened
Class 1 for top corrosion resistance

Testing Offered

PMI spectro analysis
Tensile & hardness test
Torque test
Third party inspection

Matching Products

A194 Grade 8M nuts
A240 TP316 washers
B8M stud bolts
316 threaded rod

Types Of 316 Stainless Steel Screw We Supply

Pick the head style. We match the grade and standard.

Stainless Steel 316 Socket Cap Screw

ISO 4762

ASTM A193 316 Stainless Steel Hex Head Screws

ISO 4017 / 4014

Stainless Steel 316 Counter Sunk Screw

ISO 10642

SS UNS S31600 Socket Set Screw

ISO 4026-4029

316 SS Steel Shoulder Screw

ISO 7379

A193 SS 316 Machine Screw

Pan / CSK

Stainless Steel 316 Square Head Screw

To Drawing

316 SS Threaded Screw

Full Thread

Also Available On Request

•SS 316 Concrete Screw

•Stainless Steel 316 Blind Rivet Screws

•Slotted Pan Head Screw (ISO 1580)

•Slotted Countersunk Screw (ISO 2009)

•Part-Thread Hex Screw (ISO 4014)

•Screws Made To Your Drawing

316 SS Socket Head Cap Screws Dimensions To ISO 4762

Table covers M3 to M24. Sizes beyond M64 follow your drawing.

Metric Socket Head Cap Screw, Coarse Pitch (mm)
Size	Pitch	Head Dia (max)	Head Height (max)	Hex Key
M3	0.5	5.50	3.00	2.5
M4	0.7	7.00	4.00	3
M5	0.8	8.50	5.00	4
M6	1.0	10.00	6.00	5
M8	1.25	13.00	8.00	6
M10	1.5	16.00	10.00	8
M12	1.75	18.00	12.00	10
M16	2.0	24.00	16.00	14
M20	2.5	30.00	20.00	17
M24	3.0	36.00	24.00	19

316 Screw Standards & Head Type Chart

Match each head style to its governing standard.

Screw Type And Standard Reference
Screw Type	Standard
Socket head cap screw	ISO 4762 / DIN 912, ASTM F837
Hex head screw, full thread	ISO 4017 / DIN 933
Hex head screw, part thread	ISO 4014 / DIN 931
Countersunk socket screw	ISO 10642
Socket set screw	ISO 4026 to 4029 / DIN 913 to 916, ASTM F880
Shoulder screw	ISO 7379
Machine screw, slotted pan head	ISO 1580
Machine screw, slotted countersunk	ISO 2009
Panel, anchor, concrete and square head screws	Made to drawing or sample

A4-70 vs A4-80 Stainless Steel 316 Screws

A4 marks the 316 family. The number is one tenth of tensile strength in MPa.

A4-70 Screws

700 MPa minimum tensile
450 MPa minimum 0.2% proof stress
Elongation 0.4d minimum
Most common supply class

A4-80 Screws

800 MPa minimum tensile
600 MPa minimum 0.2% proof stress
Elongation 0.3d minimum
Made from harder cold-drawn bar

Weekly Delivery of Stainless Steel 316 Screw 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

Chemical Composition Of SS 316 Screw

ASTM A193 Grade B8M, Percent By Weight

Limits are maximum unless a range is shown.

IronFe

Balance

ChromiumCr

16.00 – 18.00%

NickelNi

10.00 – 14.00%

MolybdenumMo

2.00 – 3.00%

ManganeseMn

2.00% max

SiliconSi

1.00% max

CarbonC

0.08% max

PhosphorusP

0.045% max

SulphurS

0.030% max

ASTM A193 Stainless Steel Screw Mechanical Properties

Minimum Values Per ASTM A193

Class 1 is solution treated. Class 2 is also strain hardened.

Tensile Strength

75 ksi Min

515 MPa, Class 1

Yield Strength

30 ksi Min

205 MPa, 0.2% offset

Elongation

30% Min

In 4D, Class 1

Hardness

223 HBW Max

Or 96 HRB, Class 1

B8M Class 2 By Bolt Diameter (Inch Series)
Diameter	Tensile (ksi min)	Yield (ksi min)	Elongation (% min)	Hardness (max)
¾″ and under	110	95	15	321 HBW or 35 HRC
Over ¾″ to 1″	100	80	20	321 HBW or 35 HRC
Over 1″ to 1¼″	95	65	25	321 HBW or 35 HRC
Over 1¼″ to 1½″	90	50	30	321 HBW or 35 HRC

Physical Properties Of Austenitic 316 Screws

A Stainless Steel 316 Screw supplier in India stocks fasteners for harsh marine environments.

Density

8.00 g/cm³

Room temperature

Melting Range

1375 – 1400°C

Solidus to liquidus

Modulus Of Elasticity

193 GPa

Room temperature

Electrical Resistivity

0.074 µΩ·m

Room temperature

Thermal Conductivity

16.3 W/m·K

At 100°C

Thermal Expansion

15.9 µm/m·K

At 100°C

Scaling Limit

870 / 925°C

Intermittent / continuous

Hardening

Cold Work Only

Not heat treatable

Buy UNS S31600 Socket Set Screw with High Strength & Pitting Resistance for Offshore Piping

316 SS Socket Head Cap Screws Equivalent Grades

One Chemistry, Several Nameplates

Check the Werkstoff number before you order.

ASTM / UNS

ASTM A193 Grade B8M
UNS S31600
AISI 316

DIN / EN / Werkstoff

Werkstoff Nr. 1.4401
EN X5CrNiMo17-12-2
Also 1.4436, X3CrNiMo17-13-3

Other Nameplates

JIS SUS 316
BS 316S31
AFNOR Z7CND17-11-02

Stainless Steel WERKSTOFF NR. 1.4404 Screw

A WERKSTOFF NR. 1.4404 Screw is 316L
UNS S31603
EN X2CrNiMo17-12-2

ISO Fastener Name

A4 group is the 316 type
Classes A4-70 and A4-80
ISO 3506-1

316 Family Variants

316L, UNS S31603
316H, UNS S31609
316Ti, Werkstoff Nr. 1.4571

316 vs 304 vs 316L Screws

Choose an expert Stainless Steel 316 Screw supplier in India for chloride-resistant fastening solutions.

SS 304 Screws

No molybdenum in the analysis
Lower pitting resistance in chlorides
A2 group under ISO 3506

SS 316 Screws

2.00 – 3.00% molybdenum
Better pitting resistance in chlorides
A4 group under ISO 3506
Not resistant to warm seawater

316L Screws

0.03% carbon max
Low carbon resists sensitisation
Suits heavy welded parts
Werkstoff Nr. 1.4404

316 Screws

0.08% carbon max
Standard A193 B8M supply
Werkstoff Nr. 1.4401

Monthly Delivery of Stainless Steel 316 Screw 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

Applications Of Stainless Steel 316 Blind Rivet Screws

316 suits wet, salty and chemical duty.

Offshore & Marine Piping

Chemical & Petrochemical Plants

Food & Brewery Equipment

SS 316 Panel Screw For Coastal Cladding

Boat & Marine Fittings

Heat Exchanger Assemblies

Valves, Flanges & Pressure Piping

Stainless Steel 316 Anchor Screw For Coastal Masonry

Need 316 Screws In A Hurry?Mail the size list and quantity for a quote.

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Testings Of 316 SS Threaded Screw

A Stainless Steel 316 Screw manufacturer in India produces durable fasteners for chemical plants.

PMI & Chemical Analysis

Spectro reading against B8M limits

Tensile & Yield Test

Checked against ASTM A193 minimums

Hardness Test

Brinell or Rockwell B readings

Torque Test

Torque tested screws for safe tightening

Thread & Dimension Check

Gauge and size checked to standard

Test Certificates

Mill test certificate to EN 10204 3.1

316 Stainless Steel Screw Price In India

Quote Follows The Day’s Steel Rate

Steel prices move often, so we quote on the day.

•Screw Type & Size

•Class 1 Or Class 2

•Length & Quantity

•Testing & TPI

•HSN 7318 • GST 18%

•Delivery Port

Today’s 316 Screw Rate

Send a size-wise quantity list. We reply with per-piece pricing.

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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