SA276 S32550 Hex Bolts and Fasteners Manufacturer in India
Table of Content
View ASTM A276 S32550 Hex Cap Screw and Washers standards and sizes
Standard & Sizes of ASTM A276 UNS S32550 Fasteners
ASTM A276 UNS S32550 socket head cap screws sizes
- Imperial SA276 S32550 bolt : 1/4″ to 4″
- Metric UNS S32550 bolt : M1.2 – M48
Nut sizes
- Imperial : M10 – M65
Washer size chart
- M3 – M36
- 1/4″ to 3″
Thread class
- 5 CSF
- 4G
- custom
- 5 HF
- Class 1A (Loose fit)
- Class 3A (Tight fit)
- 8G
- 5 ONF
- 3G
- 6G
- 2G
- Class 2A (Medium fit)
SA276 S32550 hex bolts head types
- Slotted hex washer
- Hex/Socket/Allen Drive
- Oval
- Combination Drive
- Slotted Drive
- Phillips Drive
- Hex washer head
- Truss
- Socket cap head
- Button head
- Hex head
- Frearson Drive
- Pan
- Flat
American standard
- ASME SA276
- ASTM A276
Custom size / Cut to length
- Mail us at info@namanpipe.com
ASME SA276 S32550 Heavy Hex Bolts and Nuts are available in different threads like UNC, UNF
SA276 S32550 Fasteners Specification
UNS S32550 hex bolts manufacturing method
- Heat and surface treatment
- Thread forming
- Cold forging
- Hot forging
- Machining
ASTM A276 UNS S32550 heavy hex bolts thread types
- 8-Thread Series(8UN)
- 12-Thread series (12-UN)
- Metric coarse
- Trapezoidal
- ACME
- UNJ
- UNEF
- Metric fine
- BSF
- Coarse thread (UNC)
- Fine Thread (UNF)
A276 S32550 hex cap screws end
- Semi-cone point
- Chisel point
- Chamfer end
- Sheared end
- Half point
- 45 degree angle cut
- Cone point
- Gimlet point
- Milled end
ASME SA276 S32550 socket head bolts surface treatments
- Solution Annealed
- Aging
- Annealed
MTC
- EN 10204 3.1 Manufacturer Test Certificate / PED 97/23/EC Certified
Need Urgent Delivery
- Get Quick Quote & delivery by Air, mail us at info@namanpipe.com
Inventory delivery time
- 3-5 days
Delivery time (If not in Stock)
- 10-12 days
Annealing of ASTM A276 S32550 eye bolt
- 1100°C
ASME SA276 S32550 carriage bolts meet standards
- UNI – Italy
- IS – Indian
- EU – Europe
- JIS – Japan
- SAE -America
- ASME – USA
- CSN – Spain
- Polish PN
- BS – British
- DIN – Germany
UNS S32550 heavy hex head bolt welding method
- Flux-cored arc welding (FCW)
- Gas tungsten arc welding TIG (GTAW)
- Resistance welding
- Shielded metal arc welding (SMAW)
- Submerged arc welding (SAW)
- Laser welding
- Gas metal arc welding MIG (GMAW)
- High-frequence welding
- Plasma arc welding (PAW)
Material equivalents
- 1.4507
- Norsok MDS D57
- Uranus 52N+
- Alloy 255
- X2CrNiMoCuN 25-6-3
- Super Duplex 255
- Z3CNDU 25-07 Az
- UNS S32550
- Ferralium 255 – SD50
SA276 S32550 flange bolts required testing & certificates
- Impact testing
- Charpy V-notch test
- Microstructure Analysis
- Tensile test
- EN 10204 / 3.1, 3.2
- Rockwell / Brinell Hardness test
Origin of material
- European
- USA
- Russian
- Korean
- Ukraine
- Indian
- Japanese
Manufacturing process
- Hot Finished
- Cold Finished
Types of SA276 UNS S32550 square bolts
- Lug Nuts
- Wood screws
- Castle Nut
- Spring washer
- Flat washer
- Fully threaded screws
- Round head bolts
- Flange Lock Nut
- Hex head bolt
- Hexagonal washer
- Hex lag screws
- Grub screws
Value added services offer by Naman Pipe & Tubes
- Packaging: Bags, Box and Labeling
- Expedited Services
- Milling
- Cross Drilling
- Cut Threading
- Cut Off & Chamfer
- Factory Direct Shipments
- Drilling & Tapping
- Grooving
Testing requirements of ASTM A276 S32550 Hex Cap Screw
Testing Methods
- Proof Load Test
- Carburization test
- Hardness testing
- Torsion test
- Charpy impact tests
- Fatigue test on H specimens
- Head soundness test
- Fatigue tests on screws
- Retempering test
- Decarburization test
- Tensile test
Testing standards of UNS S32550 bolts
- ISO 898-1
- SAE J429
- SAE J995
- ASTM F606/F606M
- SAE J1199
Dimensional Standard
- ANSI B 28.2.4 1M
- ASME B18.5
- ANSI B 18.2.4 2M
A276 UNS S32550 Self Tapping Screw and Threaded Rod are is resistant to pitting corrosion, View chemical composition
ASME SA276 S32550 Heavy Hex Bolts Chemical Composition
C Carbon 0.04 % |
|
Cr Chromium 24 - 27 % |
Ni Nickel 4.5 - 6.5 % |
N Nitrogen 0.1 - 0.25 % |
|
Mg Manganese 1.5 % |
p Phosphorus 0.04 % |
|
Si Silicon 1 % |
S Sulfur 0.03 % |
A276 S32550 Socket Head Cap Screw Mechanical Properties
Poisson's ratio 0.3 |
 |
Hardness 290 |
Elastic modulus 200 GPa |
Elongation 25 % |
|
Shear modulus 77 GPa |
Tensile strength 750 MPa |
|
Yield strength 550 MPa |
- |
Physical Properties of A276 UNS S32550 Self Tapping Screw
| Density | 7.85 g/cm³ |
| Specific heat capacity | 500 J/kg K |
| Thermal conductivity | 18 W/m K |
| Electrical resistivity | 0.95 Ω mm²/m |
SA276 S32550 Flange Bolts Equivalent Grades
| UNS | S32550 |
| DIN | 1.4507 |
| EN | X2CrNiMoCuN25-6-3 |
| Alloy | F255 |
A276 S32550 Socket Head Cap Screw and Stud Bolt are manufactured as per ASME B18.2.1
Max service temperature of SA276 S32550 Carriage Bolts
| Max service temperature | 300 °C |
A276 S32550 Stud Bolt Application
- Oil and Gas industry equipment
- Chemical process industries
- Marine Industry and Shipbuilding
- Pollution Control
- Pulp and Paper Industry
- Food Industry
SA276 S32550 flange bolts temperature rating
| Process | Temperature | Corrodant |
|---|---|---|
| Sour Gas Downhole Instruments | Up to 350 °F | H 2 S Chlorides |
| Waste Water Treatment | 150-300 °F | Mixed Acids Chlorides |
| Polycarbonate Production | 250-300 °F | Ambient |
ASME SA276 S32550 flat washers size chart
| Size | ID (Inside Diameter) | OD (Outside Diameter) | Thickness |
|---|---|---|---|
| #6 | 5/32" | 3/8" | 3/64" |
| #8 | 3/16" | 7/16" | 3/64" |
| #10 | 7/32" | 1/2" | 3/64" |
| 1/4 | 9/32" | 5/8" | 1/16" |
| 5/16 | 11/32" | 11/16" | 1/16" |
| 3/8 | 13/32" | 13/16" | 1/16" |
| 7/16 | 15/32" | 59/64" | 1/16" |
| 1/2 | 17/32" | 1-1/16" | 3/32" |
| 9/16 | 19/32" | 1-3/16" | 3/32" |
| 5/8 | 21/32" | 1-5/16" | 3/32" |
| 3/4 | 13/16" | 1-1/2" | 9/64" |
| 7/8 | 15/16" | 1-3/4" | 9/64" |
| 1" | 1-1/16" | 2" | 9/64" |
| 1-1/8 | 1-3/16" | 2-1/4" | 9/64" |
| 1-1/4 | 1-5/16" | 2-1/2" | 5/32" |
| 1-1/2 | 1-7/16" | 3" | 3/16" |