A4-70 Bolt
High Precision Quality Manufacturer of Stainless Steel Grade A4-70 Stud Bolt in India, With Different Grades, Sizes
Table of Content
- Specifications of A4-70 Bolt
- Types of A4-70 Bolts
- A4-70 Stainless Steel Hex Bolts Dimensions Chart
- ISO 4017 A4-70 Bolt Weight Chart
- Torque Chart of Grade A4-70 Bolts
- A4 70 Bolts Physical Properties
- Composition Standard for A4 Class 70 Bolts
- A4-70 Steel Bolts Mechanical Properties Tensile Strength
- Equivalent of ISO 4017 A4-70 Bolt
- How Are A4-70 Bolts Tested for Strength?
- What is the Difference Between A4-70 and A4-80 Bolts?
- Can A4-70 Bolts Handle High Pressure?
- How Do A4-70 Bolts Perform Under Extreme Temperatures?
Get Grade A4-70 Hex Bolts & A4-70 AISI 316 Bolt with High Temperatures, Check Specification
A4-70 Bolt Sizes
- Imperial Sizes: 1/2" - 4.0"
- Metric Size: M10 - M110
- Length: 12 - 1200MM
Benefits
- Excellent Corrosion Resistance
- High Strength
- Non-Magnetic Properties
Certification
- MTC as per EN 10204 / 3.1B
- Raw Materials Certificate
- 100% Radiography Test Report
Threads Types
- BSF, UNC
- METRIC
- BSW
- UNF
Head Types
- Hex, Square
- Round,Flat
- Hex flange
- T-head & Triangular
Finishing
- Geometry, Dacroment, Hot Dip Galvanised (HDG),
- Anodizing, plated zinc-nickel, nickel plated
- Zinc , black oxide, BZP
Applications
- Marine Industry
- Chemical Processing
- Food and Beverage Industry
- Construction Industry
Packaging Methods
- Corrugated Box
- Small Pack
- Pallet
- Carton
Testing Methods
- Hardness Testing
- Corrosion Testing
- Tensile Testing
- Impact Testing
Neck type
- Oval
- Triangular
- Hex, Square
- Knurled
Production process
- Hot Forging
- Machining and CNC
- Cold Forging
- Customized
Surface Coating
- Teflon, Xylan, Zinc
- Cadmium, Galvanized
- Black Oxide
- Others Upon Request
Cutting Methods
- Threaded Rod Cutter
- Angle Grinder
- Hacksaw
Disadvantages
- Higher Cost
- High-Temperature Strength
- Limited Wear Resistance
Documentation
- Fumigation Certificates
- Raw Material Test Reports
- Guarantee Letter
A4-70 Bolt Supplier in India offers the most common types with high strength and corrosion resistance.
Regal Sales Corporation has sales represented in Malaysia, Netherlands, Vietnam, Kuwait, Saudi, Arabia, Nigeria, Thailand and all hard-to-find materials.
A4-70 AISI 316 Heavy Hex Bolt
SS 316 A4-70 Shoulder Bolts
AISI 316 A4-70 Eye Bolts
ISO 4762 A4-70 Flange Bolts
A4-70 Hex Head Bolt
SS grade A4-70 J-Bolts
A4-70 stainless steel U-Bolts
Grade A4-70 Square Head Bolts
View SS 316 A4-70 Heavy Hex Bolt & ISO 4762 A4-70 Socket Bolt With Accurate Torque Values, Refer Torque Chart & Propeties
| Diameter | M4 | M5 | M3 | M6 | M8 | M10 | M16 | M12 | M20 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Load at 0.2% yield point | 3960 | 6390 | 2250 | 9040 | 16470 | 26100 | 70650 | 37930 | 110250 | |
| Initial Stressing Force | 2490 | 4030 | 1420 | 5700 | 10380 | 16440 | 44510 | 23900 | 69460 | |
| Tightening Torque | 2.2 | 4.3 | 0.9 | 7.3 | 17.7 | 35.5 | 147.1 | 61.3 | 285.1 | |
| Force in service | Axial Static | 1070 | 1730 | 610 | 2440 | 4450 | 7050 | 19080 | 10240 | 29770 |
| Axial Dynamic | 640 | 1040 | 360 | 1470 | 2670 | 4230 | 11450 | 6150 | 17860 | |
| Radial Static or Dynamic | 210 | 350 | 120 | 490 | 890 | 1410 | 3820 | 2050 | 5950 |
| Diameter (D) | Body Diameter (D) | Across the Flats (F) | Across the Corners © | Head Height (H) | Thread Lengths (T) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | < 6” | > 6” | |
| 1/2 | 0.515 | 0.482 | 0.875 | 0.85 | 1.01 | 0.969 | 0.364 | 0.302 | 1.25 | 1.5 |
| 5/8 | 0.642 | 0.605 | 1.062 | 1.031 | 1.227 | 1.175 | 0.444 | 0.378 | 1.5 | 1.75 |
| 3/4 | 0.768 | 0.729 | 1.25 | 1.212 | 1.443 | 1.383 | 0.524 | 0.455 | 1.75 | 2 |
| 7/8 | 0.895 | 0.852 | 1.438 | 1.394 | 1.66 | 1.589 | 0.604 | 0.531 | 2 | 2.25 |
| 1 | 1.022 | 0.976 | 1.625 | 1.575 | 1.876 | 1.796 | 0.7 | 0.591 | 2.25 | 2.5 |
| 1 1/8 | 1.149 | 1.098 | 1.812 | 1.756 | 2.093 | 2.002 | 0.78 | 0.658 | 2.5 | 2.75 |
| 1 1/4 | 1.277 | 1.223 | 2 | 1.938 | 2.309 | 2.209 | 0.876 | 0.749 | 2.75 | 3 |
| 1 3/8 | 1.404 | 1.345 | 2.188 | 2.119 | 2.526 | 2.416 | 0.94 | 0.81 | 3 | 3.25 |
| 1 1/2 | 1.531 | 1.47 | 2.375 | 2.3 | 2.742 | 2.622 | 1.036 | 0.902 | 3.25 | 3.5 |
| 1 3/4 | 1.785 | 1.716 | 2.75 | 2.662 | 3.175 | 3.035 | 1.196 | 1.054 | 3.75 | 4 |
| 2 | 2.039 | 1.964 | 3.125 | 3.025 | 3.608 | 3.449 | 1.388 | 1.175 | 4.25 | 4.5 |
| 2 1/4 | 2.305 | 2.214 | 3.5 | 3.388 | 4.041 | 3.862 | 1.548 | 1.327 | 4.75 | 5 |
| 2 1/2 | 2.559 | 2.461 | 3.875 | 3.75 | 4.474 | 4.275 | 1.708 | 1.479 | 5.25 | 5.5 |
| 2 3/4 | 2.827 | 2.711 | 4.25 | 4.112 | 4.907 | 4.688 | 1.869 | 1.632 | 5.75 | 6 |
| 3 | 3.081 | 2.961 | 4.625 | 4.475 | 5.34 | 5.102 | 2.06 | 1.815 | 6.25 | 6.5 |
A4-70 Bolt Manufacturer in India offers a Excellent torque chart for fasteners
| Bolt Size (Metric) | Dry Torque (Nm) | Lubricated Torque (Nm) |
|---|---|---|
| M5 | 4.7 | 3.5 |
| M6 | 8.1 | 6.0 |
| M8 | 19.0 | 14.0 |
| M10 | 37.0 | 27.0 |
| M12 | 64.0 | 48.0 |
| M14 | 100.0 | 75.0 |
| M16 | 160.0 | 120.0 |
| M20 | 320.0 | 240.0 |
| M24 | 550.0 | 410.0 |
AISI 316 A4-70 Hex Bolt & ISO 4017 A4-70 Square Bolts Includes Various National and International Standards, Check Equivalent
| Grade | Elastic Modulus (GPa) | Density (kg/m³) |
Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Elec Resistivity (nΩ.m) | Specific Heat 0-100 °C (J/kg.K) |
|||
|---|---|---|---|---|---|---|---|---|---|
| 0-100 °C | 0-315 °C | 0-538 °C | At 100 °C | At 500 °C | |||||
| 316/L/H | 193 | 8000 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 740 | 500 |
Find Grade A4-70 316 Stainless Fasteners & A4-70 AISI 316 Flange Bolts With Good Strength and Machinability, Check Mechanical and Chemical Composition
0.08 %
Carbon
2.00 %
Mn
1.00 %
Si
14.0
Ni
0.45 %.
P
18.5 %
Cr
0.03 %
S
a4-70 Bolt Tensile Strength
700 MPa
Yield Strength
450 MPa
Elongation
40%
Melting Point
Up to 870°C
| EN | – | BS | UNI | JIS | DIN,WNr | AFNOR | ONORM | CSN | GB | SS | GOST |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EU | USA | England | Italy | Japan | Germany | France | Austria | Czechia | China | Sweden | Russia |
| X5CrNiMo17-12-2 (1.4401) | 316 | 316S31 | X5CrNiMo17-12 | SUS316 | X5CrNiMo17-12-2 |
|
X5CrNiMo17-12-2KW | 17346 | 0Cr17Ni12Mo2 | 2347 | 08KH16N11M3 |
| Test | Purpose |
|---|---|
| Tensile | Verify 700 MPa strength |
| Proof Load | Check at 450 MPa |
| Hardness | Test indentation resistance |
| Corrosion | Check rust resistance |
| Dimensional | Ensure size/finish |
| Magnetic | Detect cracks |
| Chemical | Verify composition |
| Fatigue | Test durability |
| Property | A4-70 | A4-80 |
|---|---|---|
| Material | A4-grade stainless steel | A4-grade stainless steel |
| Tensile Strength | ≥ 700 MPa | ≥ 800 MPa |
| Strength Class | Moderate strength | High strength |
| Applications | General corrosion resistance | High-load, critical applications |
| Cost | Lower | Higher |
- Strength: 700 MPa
- Pressure Type: Depends on system design.
- Size & Torque: Larger size and proper torque.
- Corrosion: Resistant
- Extreme Pressure: very high pressure.
| Temperature | Performance |
|---|---|
| High | Up to 870°C (1600°F) |
| Low | Tough down to -200°C (-328°F) |
| Strength | Reduces temperatures. |