M6 to M100
Full Metric Bolt Size Range
ISO 3506-1
Property Class 70 Certified
SS 316 & 316L
Cold Worked Austenitic Base Steel
Fast Delivery
15 to 30 Day Export Shipping
25+ Countries
Global A4-70 Bolt Export Network
Factory Price
Direct Mill Rates from Vision Alloys
NACE MR0175
Sour Service Compliant Fasteners
Custom Sizes
Special Length & Xylan/PTFE Coating
A4-70 Bolt at a Glance
Metric Sizes
M6 to M100
Imperial Sizes
1/4″ to 4″
Standard
ISO 3506-1, ASME B18.2.1
Property Class
70 (Cold Worked)
Base Material
SS 316 / 316L (A4 Group)
Raw Material Source
Europe, S. Africa, India, Australia
MTC
EN 10204/3.1
Environment
Marine, Chemical, Sour Service
Thread Pitch
Coarse & Fine Thread
Finish
Plain, Passivated, Polished
Head Types
Hex, Socket, Allen, Flange
Coating Options
Xylan, PTFE, Teflon
Table of Content
- A4-70 Bolt Specification
- SS A4-70 Hex Bolt Dimension Chart
- A4-70 Stainless Steel Screws Head Type
- Price List of A4-70 Hex Bolt
- AISI 316 A4-70 Stud Bolt Thread Type
- Types of A4-70 Fasteners
- ISO 4017 A4-70 Threaded Rod Chemical Composition
- ISO 3506-1 Grade A4-70 Studs Equivalent Grades
- A4-70 Bolt Mechanical Properties
- SS A4-70 Bolt Size Chart
- A4-70 Hex Nut Surface Finish
- A4-70 vs A4-80 Bolt Difference
- ISO 3506-1 Grade A4-70 Bolt Torque Chart
- A4-70 Stainless Steel Screws Applications
- NACE MR0175 and PED Certified A4-70 Bolt
ISO 3506-1 Grade A4-70 Hex Bolt Manufacturer in India
Vision Alloys manufactures A4-70 Bolts for industrial use. We supply Bolts, Stud Bolts, Nuts, and Washers. Material grade is SS 316 austenitic stainless steel. Sizes range from M6 to M100 in metric. Tensile strength meets a minimum 700 MPa rating. Yield strength holds a minimum 450 MPa value. A4-70 Bolt follows the ISO 3506-1 international standard. Each bolt resists corrosion well in harsh environments. Vision Alloys also offers A4-70 and duplex bolts. We export A4-70 Bolts to USA, Canada, and UK. Shipments also reach Germany, UAE, and Singapore markets. Saudi Arabia, Qatar, Doha, and Riyadh get covered too
A4-70 Bolt Specification
Check A4-70 Bolt Supplier in India who provides Custom Specification
- M6 to M100
- 10 mm to 500 mm
- ISO 3506-1, ASTM F593, DIN 931
- Coarse
- Fine
- Cold Forging
- Hot Forging
- CNC Machined
- 6g as per ISO 965
- Passivation
- Polish
- Black Oxide Coating
- Sand Blasting
- Wooden Pallet
- Carton Box
- Poly Bagging
- 100% Tested with MTC EN 10204 3.1/3.2
- UNC
- UNF
- BSW
- Metric
- Hex Bolt
- Stud Bolt
- Socket Head Cap Screw
- Flange Bolt
- Countersunk Bolt
- Head Painting
- Thread Locking
- Nylon Patch
- Mass Produced
- Custom Machined
- Raw Material Certificate
- Third Party Inspection
- EN 10204/3.1B
- UAE = 15 Day
- UK = 30 Day
Request For Quote
Get Instant Pricing from A4-70 Bolt Supplier in India
Buy A4-70 Hex Bolts, Stud Bolts, and Nuts at Factory Price
SS A4-70 Hex Bolt Dimension Chart
| Diameter | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Load 1)Force at 0.2% yield point N | 2250 | 3960 | 6390 | 9040 | 16470 | 26100 | 37930 | 70650 | 110250 | |
| Initial Stressing ForceN | 1420 | 2490 | 4030 | 5700 | 10380 | 16440 | 23900 | 44510 | 69460 | |
| Tightening TorqueNm | 0.9 | 2.2 | 4.3 | 7.3 | 17.7 | 35.5 | 61.3 | 147.1 | 285.1 | |
| Force in service N | Axial Static | 610 | 1070 | 1730 | 2440 | 4450 | 7050 | 10240 | 19080 | 29770 |
| Axial Dynamic | 360 | 640 | 1040 | 1470 | 2670 | 4230 | 6150 | 11450 | 17860 | |
| Radial Static or Dynamic | 120 | 210 | 350 | 490 | 890 | 1410 | 2050 | 3820 | 5950 |
Supplier of A4-70 Stainless Steel Screws in Hex Head Types at Low Cost in Mumbai
Head Type
A4-70 Stainless Steel Screws Head Type
Hex Head
Socket / Allen Head
Countersunk Head
Pan Head
Button Head
Cheese Head
Round Head
Flange Head
Price List of A4-70 Hex Bolt
Wide Stock of AISI 316 A4-70 Studs with UNC, UNEF and UNF Threads With MTC EN 10204/3.1B
AISI 316 A4-70 Stud Bolt Thread Type
Coarse Thread UNC
Wide pitch. Fast assembly.
Fine Thread UNF
Tight pitch. High tensile load.
Metric Thread ISO
V-profile. ISO 3506-1 sizing.
Rolled Thread Cold Formed
Cold rolled. Higher fatigue strength.
Continuous Thread Full Length
Fully threaded. Flange and pipe use.
Tap End Thread Double End
Threaded ends only. Plain center.
Request For Quote
Request a Custom A4-70 Bolt Size Quotation Today
Ready Stock M6 to M100 Sizes With EN 10204/3.1 MTC
Types of A4-70 Fasteners
A4-70 Bolt manufacturer in India delivers orders within 15 days
A4-70 Stainless Steel Stud Bolt
- Fully threaded rod
- Higher tensile A4-70
- DIN 976 standard
A4-70 Bolt
- Hexagonal drive head
- General purpose fastening
- ISO 3506-1 grade
ISO 4017 A4-70 Threaded Rod
- Full length threading
- High strength A4-70
- ISO 4017 standard
A4-70 AISI 316 Nuts
- Matched hex nut
- SS 316 base material
- ISO 4032 compliant
SS 316L A4-70 Washers
- Flat washer type
- Low carbon 316L
- DIN 125 standard
Grade A4-70 U Bolt
- U shaped design
- Pipe and pole clamps
- High strength A4-70
SS 316 A4-70 Eye Bolt
- Looped eye head
- Lifting and rigging use
- SS 316 corrosion resistant
AISI 316L A4-70 Set Screws
- Headless drive screw
- Positioning and locking
- AISI 316L material
A4-70 Stainless Steel Hex Bolt
- UNC, UNF, BSF
- Head : Hex
- AISI 316L material
Refer to the ISO 4762 A4-70 Threaded Rod Material Properties and Equivalent Grades
ISO 4017 A4-70 Threaded Rod Chemical Composition
Cr 16.0-18.5
Ni 10.0-14.0
Mo 2.0-3.0
Mn ≤ 2.0
Si ≤ 1.0
P ≤ 0.045
S ≤ 0.03
PED Approved A4-70 Bolt Supplier in India With Verified Chemical Composition Testing
ISO 3506-1 Grade A4-70 Studs Equivalent Grades
A4-70 Bolt Mechanical Properties
Hardness ≤ 220 HB
CE Certified A4-70 Bolt Stockist in India, Offering High Strength for Marine Applications
SS A4-70 Bolt Size Chart
A4-70 Bolt supplier in India offers M6 to M100 sizes
| A4-70 Bolt Size | Coarse Pitch (mm) | Fine Pitch (mm) | Stress Area (mm²) | Head Height (mm) | Width Across Flats (mm) |
|---|---|---|---|---|---|
| M6 | 1.00 | 0.75 | 20.1 | 4.0 | 10 |
| M8 | 1.25 | 1.00 | 36.6 | 5.3 | 13 |
| M10 | 1.50 | 1.25 | 58.0 | 6.4 | 17 |
| M12 | 1.75 | 1.25 | 84.3 | 7.5 | 19 |
| M16 | 2.00 | 1.50 | 157 | 10.0 | 24 |
| M20 | 2.50 | 1.50 | 245 | 12.5 | 30 |
| M24 | 3.00 | 2.00 | 353 | 15.0 | 36 |
| M30 | 3.50 | 2.00 | 561 | 18.7 | 46 |
| M36 | 4.00 | 3.00 | 817 | 22.5 | 55 |
Exporter of Grade A4-70 Hex Nut with Galvanized Finish, Compare A4-70 vs A4-80
A4-70 Hex Nut Surface Finish
A4-70 Bolt stockist in India provides passivated and polished finish
Matte
Bright
Premium
As Forged
Coated
Smooth
Textured
Special
A4-70 vs A4-80 Bolt Difference
Min Tensile Strength (MPa)
450 MPa
220 HB
0.4d
Moderate
Marine Use
M6 to M100
Min Tensile Strength (MPa)
600 MPa
250 HB
0.3d
Severe
High Strength
M6 to M24
A4-80 undergoes severe cold working for higher strength, while A4-70 offers a moderate strength to ductility balance for general and marine fastening.
Request For Quote
Talk to a A4-70 Bolt Torque and Sizing Expert
Free Technical Support on Every A4-70 Bolt Enquiry
ISO 3506-1 Grade A4-70 Bolt Torque Chart
Approximate Dry Torque Values for A4-70 Stainless Steel Bolts
| Bolt Size | Coarse Pitch (mm) | Recommended Torque (Nm) | Recommended Torque (lb-ft) |
|---|---|---|---|
| M6 | 1.00 | 9 | 6.6 |
| M8 | 1.25 | 23 | 17.0 |
| M10 | 1.50 | 46 | 34.0 |
| M12 | 1.75 | 80 | 59.0 |
| M16 | 2.00 | 193 | 142.0 |
| M20 | 2.50 | 377 | 278.0 |
| M24 | 3.00 | 651 | 480.0 |
A4-70 Stainless Steel Screws Applications
Marine & Shipbuilding
Oil & Gas
Chemical Processing
Water Treatment
Structural Construction
Power Generation
Food & Beverage
Pharma Equipment
NACE MR0175 and PED Certified A4-70 Bolt
PED Approved A4-70 Bolt meets 2014/68/EU pressure standards
Mill Test Certificate
Full chemical and mechanical test values
EN 10204 3.1
NACE MR0175 Report
Sour service compliance confirmation
Sour Service
PED Certificate
2014/68/EU pressure equipment approval
PED 2014/68/EU
ISO 9001 Certificate
Certified quality management system
ISO 9001:2015
Third Party Inspection
TPI report from SGS, BV, or Lloyd’s
On Request
Guarantee Certificate
Assurance on grade and quality
Grade Assured
Project Reference
A4-70 Bolt Client Reference
CE Approved A4-70 Bolt ensures safe European market compliance
United States
Offshore Wind Farm Assembly
Germany
Automotive Assembly Line
United Kingdom
Bridge Structural Upgrade
Australia
Mining Equipment Fabrication
United Arab Emirates
Petrochemical Complex Piping
Singapore
Marine Terminal Fabrication
Request For Quote
Get Mill Test Certified A4-70 Bolt Manufacturer in India
EN 10204/3.1 MTC Issued on Every A4-70 Bolt Shipment
Global Reach
A4-70 Bolt Supply Network
A4-70 Nut and Bolt Combination Packs Available on Request
Countries & Cities Served Worldwide
North & South America
🇨🇦 Canada
🇺🇸 USA
🇧🇷 Brazil
Europe
🇮🇹 Italy
🇪🇸 Spain
🇬🇧 UK
🇳🇱 Netherlands
🇩🇪 Germany
🇮🇪 Ireland
🇩🇰 Denmark
Middle East
🇸🇦 Saudi Arabia
🇶🇦 Qatar
🇹🇷 Turkey
📍 Dammam
📍 Doha
📍 Abu Dhabi
📍 Riyadh
📍 Al Khobar
📍 Al Jubail
Asia Pacific
🇸🇬 Singapore
Africa
🇿🇦 South Africa
FAQs
A4-70 Bolt
What material is used in an A4-70 bolt?
Cold worked SS 316 austenitic stainless steel.
Is A4-70 suitable for marine environments?
Yes, molybdenum content resists chloride and saltwater corrosion.
Do you supply A4-70 bolts worldwide?
Yes, exported to 25+ countries globally.
What size range does A4-70 bolt cover?
M6 to M100, metric and imperial sizes.
What is the ASTM equivalent of A4-70?
ASTM F593 Group 2, UNS S31600.
Is A4-70 bolt NACE MR0175 compliant?
Yes, available with NACE MR0175 certification.
Can A4-70 nuts be used with A4-70 bolts?
Yes, A4-70 nuts are rated for A4-70 bolts.
- Vision Alloys is A Manufacturer of Steel Fasteners Company in India
- Dealers and Distributors of Bolting Products in USA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa and Australia, Egypt, Peru, chile, Jordan, Argentina
- Manufacturer and Supplier of Stainless Steel, Nickel Alloy, Titanium, Copper Materials in Mumbai.
- Stockist and Trader of Top Quality High Temperature Alloys for Oil and Gas Industry and Standard & Custom Sizes in EX Stock