oldest A4-80 Metric Bolts Manufacturer, Wide size range in a4 80 stainless steel fasteners, find updated a4-80 SS bolt Price
A4 80 Bolt is a type of bolt with 800MPa minimum tensile strength. Viha Steel & Forging is a leading manufacturer and supplier of the different types of A4-80 Metric Bolts. The A in the name indicates that the material of the bolt is an austenitic stainless steel. The number 80 denotes the minimum tensile strength and is one tenth of the tensile strength in MPa. The A4-80 Stainless Steel Bolt can come in different grades ranging from 1 to 5 depending on the material characteristics. It is an acid resistant bolt made up of a cold worked austenitic stainless steel.
The A4-80 Hex Bolt is made up of usually 316 or 316L grades of stainless steels. And the bolts can operate under a temperature range of 425 to 860 degrees Celsius. The A4-80 Stainless Bolt has carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, nickel, copper and nitrogen in different quantities. This material composition makes the Stainless Steel Bolts Grade A4-80 to have the desired mechanical properties along with the corrosion resistance characteristics. Depending on the material make, the minimum tensile strength can vary.
The hardness of the a4-80 ss bolt is 95HR B in the rockwell scale and it is 217HB in the Brinell hardness scale. There are different types of fasteners in this range such as the A4-80 Threaded Rod and screws as well. The thermal conductivity of these bolts is higher. They also have good electric resistivity and the dimensions of the a4-80 hex nut vary according to different standards. They range from 6mm to 30mm in diameter in general. The applications could be seen in high tensile applications, acidic processing units, marine hardware and other high temperature applications as well. Please feel free to contact us for more information on the a4-80 nyloc nut and other fasteners along with price lists.
A4-80 Stainless Steel Bolts Specification
| Product name | A4-80 Stainless Steel Bolts |
|---|---|
| Place of Origin | India |
| Standard | ISO 4017, DIN931, GB5783, DIN, ASTM, ANSI, JIS, EN, AS |
| DIN Standard | B.S. DIN933 DIN931 DIN934 DIN912 DIN603 DIN6923 |
|
Passivation /plain |
| A4-80 Stainless Steel Bolts Size | M2 - M100 |
| A4-80 Stainless Steel Bolts Diameter | M3-M60 |
| A4-80 Stainless Steel Bolts Length | 6mm-500mm |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc |
| Drive type | Phil, Slotted, Hex socket, Torx & square slot etc |
| A4-80 Stainless Steel Bolts Application | Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry |
| Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
| Drive Style | Type I |
| A4-80 Stainless Steel Bolts Material | 18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80 |
| Thread Requirements | ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Finish | Per ASTM A380/A380M |
| Finishing | Zinc Plated (Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test |
| Stock Products | Stainless steel: All DIN, GB Standard and part ASNI standard A4-80 Stainless Steel Bolts, Example: ISO7380, DIN7981, DIN7982, DIN916, DIN913, DIN7985, DIN912 |
| Production technology | Cold Forged |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| MOQ | 10 pieces |
| Delivery time | Regular product is about 7-15 days, custom product will according to special requirement |
| Others | OEM, ODM, ±0.03MM tolerance |
| Surface treatment of A4-80 Stainless Steel Bolts |
|
| Coatings | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Tolerance of A4-80 Stainless Steel Bolts | +/-0.01mm to +/-0.05mm |
| Samples | Yes |
| Production Capacity | 2,700,000 pieces per month |
| Payment Terms | T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping |
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Don't forget to check diffrence between a4-80 vs 8.8 bolt as well as a4-80 vs a4-70 bolt
A4-80 Stainless Steel Bolts Dimensions
| A4 80 Stainless Steel Fasteners Type | SS Fasteners SIZE | PROPERTY CLASS | SS Fasteners Standard | |
|---|---|---|---|---|
| A4 80 Stainless Steel Socket Head Cap Screw |  |
M3 to M30 | A4 - 80 | DIN 912 / ISO 4762 |
| A4 80 Stainless Steel Hex Head Screw (Full Thread) |  |
M3 to M30 | A4 - 80 | DIN 933 / ISO 4017 |
| A4 80 Stainless Steel Hex Head Bolt (Partial Thread) |  |
M4 to M30 | A4 - 80 | DIN 931 / ISO 4014 |
| A4 80 Stainless Steel Hex Nut |  |
M3 to M30 | A4 - 80 | DIN 934 / ISO 4032 |
| A4 80 Stainless Steel Plain Washer |  |
M3 to M64 | A4 | DIN 125 A |
| A4 80 Stainless Steel Flat - Section Spring Washer |  |
M3 to M36 | A4 | DIN 127 B |
| A4 80 Stainless Steel Square - Section Spring Washer |  |
M3 to M36 | A4 | DIN 7980 |
| A4 80 Stainless Steel Threaded Rod |  |
M3 to M36 | A4 - 80 | DIN 975 |
Check A4-80 Stainless Steel Bolts Dimensions full Catalog
Call for Material test certificate and sample of A4-80 Threaded Rod and hex nut
A4-80 Stainless Steel Bolts Weight Chart
A4-80 Hex Bolts Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | N | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A4-80 | Min | – | – | – | – | – | 16.0 | 2.0 | 10.5 | – | – |
| ISO | Max | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 18.5 | 3.0 | 14.0 | 1.0 | – |
| A4-80 | Min | – | – | – | – | – | 16.0 | 2.0 | 11.5 | – | 0.12 |
| ISO² | Max | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 18.5 | 3.0 | 14.0 | 1.0 | 0.22 |
| 316 | Min | – | – | – | 0 | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.08 | 0.75 | 2.0 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | ||
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.03 | 0.75 | 2.0 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | ||
| 316H | Min | 0.04 | 0 | 0.04 | – | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.10 | 0.75 | 0.10 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | – |
A4-80 Stainless Steel Bolts mechanical properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness Rockwell B (HR B) max |
Brinell (HB) max |
|---|---|---|---|---|---|
| A4-80 | 800 | 600 | 30 | Not required | Not required |
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 95 | 217 |
A4-80 Bolts Physical Properties
| Grade | Density (kg/m³) |
Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100 °C (J/kg.K) |
Elec Resistivity (nΩ.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| 316/L/H | 8000 | 193 |
|
|
500 | 740 |
Buy A4-80 stainless steel nut according to International Standard at lowest possible price
A4-80 Stainless Steel Bolts Price List
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Get a4-80 stainless steel bolt torque, properties, tensile strength online, refer ISO 3506 Grade A4-80 mechanical properties