Custom Size ASME SB425 UNS N08825 Nut Manufacturer in India with MTC
ASME SB425 UNS N08825 Nut Certificates
- Quality Assurance Plan (QAP)
- Fumigation Certificates
- Third Party Inspection Report, etc
- Material Test Certificates (MTC)
- Certificate of Origin
- 100% Radiography Test Report
ASME SB425 UNS N08825 Nut
ASTM B425 N08221 Stud
ASME SB425 N08825 Screw
ASTM B425 Bolt Specification
ASTM B425 Bolt Standard Sizes
- Imperial Sizes : 3/6 " to 2 "
- Metric sizes: M3 to M56
- Length: 3 mm to 200 mm
ASME SB425 Bolts Thread
- UNC, BSW
- METRIC, UNF
- BSF etc.
ASTM B425 UNS N08825 Studs End
- Sheared
- Chamfer, Flat
- Rounded
- Saw cut
ASME SB425 N08825 Screws Head Shape
ASTM B425 N08825 Threaded Rod Thread
- Right hand
- Left hand
- Both right and left etc.
ASTM B425 Bolt Physical Properties
- Density: 8.14 g/cm³
- Melting Point: 1370 – 1400 °C
- Temprature Range:Up to ~540 °C
ASTM B425 N08221 Stud Standards
- ASTM: B425 | ASME : SB425
- UNS: N08825 | N08221
ASME SB425 N08221 Bolts Neck Type
- Knurled
- Square
- Hex, Triangular
ASTM B425 N08221 Studs Types
- Double-End
- Fine/ Fully Threaded
- Tap-End
ASTM B425 Bolt Process
- Hot Forging
- Cold Forging
- CNC machined
ASME SB425 N08825 Screw Surface Finish
- Phosphating
- Oxidation
- HDG
ASME SB425 N08825 Screw Tip Style
ASME SB425 N08221 Screw Thread Pitch
- Coarse Threads
- Fine Threads
ASTM B425 N08221 Threaded Rod Condition
ASTM B425 Bolt Application
- Chemical Processing
- Oil & Gas
- Marine
- Nuclear
ASME SB425 Bolt Origin
- Japanese
- Indian, Korean
- European
- American
Supplier Of ASTM B425 N08221 Stud in Mumbai With Double and Tap-end At Best Price
ASTM B425 N08221 Stud Price
ASTM B425 Bolt Dimensions
| Nominal Size
or Basic
Product
Diameter
|
Nominal Thread
Length for Bolt
Lengths,
LT |
Full-Size Body
Diameter,
E |
Width Across
Corners, G |
Width Across Flats,
F |
Radius of
Fillet, R |
Head Height, H Basic |
| inch |
mm |
6 in. and
Shoter |
Over
6 in. |
Max |
Min |
Max |
Min |
Basic
inch |
Max |
Min |
Max |
Min |
Basic
inch |
Max |
Min |
| 1 |
1 |
2.25 |
2.5 |
1.022 |
0.976 |
1.732 |
1.653 |
1 1⁄2 |
1.5 |
1.45 |
0.09 |
0.03 |
43⁄64 |
0.7 |
0.591 |
| 1 1⁄8 |
1.125 |
2.5 |
2.75 |
1.149 |
1.098 |
1.949 |
1.859 |
1 11⁄16 |
1.688 |
1.631 |
0.09 |
0.03 |
3⁄4 |
0.78 |
0.658 |
| 1 1⁄4 |
1.25 |
2.75 |
3 |
1.277 |
1.223 |
2.165 |
2.066 |
1 7⁄8 |
1.875 |
1.812 |
0.09 |
0.03 |
27⁄32 |
0.876 |
0.749 |
| 1 3⁄8 |
1.375 |
3 |
3.25 |
1.404 |
1.345 |
2.382 |
2.273 |
2 1⁄16 |
2.062 |
1.994 |
0.09 |
0.03 |
29⁄32 |
0.94 |
0.81 |
| 1 1⁄2 |
1.5 |
3.25 |
3.5 |
1.531 |
1.47 |
2.598 |
2.48 |
2 1⁄4 |
2.25 |
2.175 |
0.09 |
0.03 |
1 |
1.036 |
0.902 |
| 1 5⁄8 |
1.625 |
3.5 |
3.75 |
1.658 |
1.591 |
2.815 |
2.616 |
2 7⁄16 |
2.438 |
2.356 |
0.09 |
0.03 |
1 3⁄32 |
1.116 |
0.978 |
| 1⁄4 |
0.25 |
0.75 |
1 |
0.26 |
0.237 |
0.505 |
0.484 |
7⁄16 |
0.438 |
0.425 |
0.03 |
0.01 |
11⁄64 |
0.188 |
0.15 |
| 5⁄16 |
0.3125 |
0.875 |
1.125 |
0.324 |
0.298 |
0.577 |
0.552 |
1⁄2 |
0.5 |
0.484 |
0.03 |
0.01 |
7⁄32 |
0.235 |
0.195 |
| 3⁄8 |
0.375 |
1 |
1.25 |
0.388 |
0.36 |
0.65 |
0.62 |
9⁄16 |
0.562 |
0.544 |
0.03 |
0.01 |
1⁄4 |
0.268 |
0.226 |
| 7⁄16 |
0.4375 |
1.125 |
1.375 |
0.452 |
0.421 |
0.722 |
0.687 |
5⁄8 |
0.625 |
0.603 |
0.03 |
0.01 |
19⁄64 |
0.316 |
0.272 |
| 1⁄2 |
0.5 |
1.25 |
1.5 |
0.515 |
0.482 |
0.866 |
0.826 |
3⁄4 |
0.75 |
0.725 |
0.03 |
0.01 |
11⁄32 |
0.364 |
0.302 |
| 3 1⁄4 |
3.25 |
6.75 |
7 |
3.335 |
3.21 |
5.629 |
5.372 |
4 7⁄8 |
4.875 |
4.712 |
0.19 |
0.06 |
2 3⁄16 |
2.251 |
1.936 |
| 1 3⁄4 |
1.75 |
3.75 |
4 |
1.785 |
1.716 |
3.031 |
2.893 |
2 5⁄8 |
2.625 |
2.538 |
0.12 |
0.04 |
1 5⁄32 |
1.196 |
1.054 |
| 2 |
2 |
4.25 |
4.5 |
2.039 |
1.964 |
3.464 |
3.306 |
3 |
3 |
2.9 |
0.12 |
0.04 |
1 11⁄32 |
1.388 |
1.175 |
| 2 1⁄4 |
2.25 |
4.75 |
5 |
2.305 |
2.214 |
3.897 |
3.719 |
3 3⁄8 |
3.375 |
3.262 |
0.19 |
0.06 |
1 1⁄2 |
1.548 |
1.327 |
| 3 1⁄2 |
3.5 |
7.25 |
7.5 |
3.589 |
3.461 |
6.062 |
5.786 |
5 1⁄4 |
5.25 |
5.075 |
0.19 |
0.06 |
2 5⁄16 |
2.38 |
2.057 |
| 3 3⁄4 |
3.75 |
7.75 |
8 |
3.858 |
3.726 |
6.495 |
6.198 |
5 5⁄8 |
5.625 |
5.437 |
0.19 |
0.06 |
2 1⁄2 |
2.572 |
2.241 |
| 1 7⁄8 |
1.875 |
4 |
4.25 |
1.912 |
1.839 |
3.248 |
3.099 |
2 13⁄16 |
2.812 |
2.719 |
0.12 |
0.04 |
1 1⁄4 |
1.276 |
1.13 |
| 5⁄8 |
0.625 |
1.5 |
1.75 |
0.642 |
0.605 |
1.083 |
1.033 |
15⁄16 |
0.938 |
0.906 |
0.06 |
0.02 |
27⁄64 |
0.444 |
0.378 |
| 3⁄4 |
0.75 |
1.75 |
2 |
0.768 |
0.729 |
1.299 |
1.24 |
11⁄8 |
1.125 |
1.088 |
0.06 |
0.02 |
1⁄2 |
0.524 |
0.455 |
| 7⁄8 |
0.875 |
2 |
2.25 |
0.895 |
0.852 |
1.516 |
1.447 |
1 5⁄16 |
1.312 |
1.269 |
0.06 |
0.02 |
37⁄64 |
0.604 |
0.531 |
| 2 1⁄2 |
2.5 |
5.25 |
5.5 |
2.559 |
2.461 |
4.33 |
4.133 |
3 3⁄4 |
3.75 |
3.625 |
0.19 |
0.06 |
1 21⁄32 |
1.708 |
1.479 |
| 2 3⁄4 |
2.75 |
5.75 |
6 |
2.827 |
2.711 |
4.763 |
4.546 |
4 1⁄8 |
4.125 |
3.988 |
0.19 |
0.06 |
1 13⁄16 |
1.869 |
1.632 |
| 3 |
3 |
6.25 |
6.5 |
3.081 |
2.961 |
5.196 |
4.959 |
4 1⁄2 |
4.5 |
4.35 |
0.19 |
0.06 |
2 |
2.06 |
1.815 |
| 4 |
4 |
8.25 |
8.5 |
4.111 |
3.975 |
6.928 |
6.612 |
6 |
6 |
5.8 |
0.19 |
0.06 |
2 11⁄16 |
2.764 |
2.424 |
ASTM B425 Bolt Supplier specializes in providing bolts that meet the exacting standards.
ASTM B425 UNS N06625 Bolts Size Chart
| Nominal.
DIA. |
Nut
Size |
Pitch
mm |
Diameter
inch |
Diameter
mm |
| M10 |
17 |
1.5 |
0.3937 |
10 |
| M12 |
19 |
1.75 |
0.4724 |
12 |
| M14 |
22 |
2 |
0.5512 |
14 |
| M16 |
24 |
2 |
0.6299 |
16 |
| M18 |
27 |
2.5 |
0.7087 |
18 |
| M20 |
30 |
2.5 |
0.7874 |
20 |
| M22 |
32 |
2.5 |
0.8661 |
22 |
| M24 |
36 |
3 |
0.9449 |
24 |
| M27 |
41 |
3 |
1.063 |
27 |
| M30 |
46 |
3.5 |
1.1811 |
30 |
| M33 |
50 |
3.5 |
1.2992 |
33 |
| M36 |
55 |
4 |
1.4173 |
36 |
| M39 |
60 |
4 |
1.5354 |
39 |
| M42 |
65 |
4.5 |
1.6535 |
42 |
| M45 |
70 |
4.5 |
1.7717 |
45 |
| M48 |
75 |
5 |
1.8898 |
48 |
| M52 |
80 |
5 |
2.0472 |
52 |
| M56 |
85 |
5.5 |
2.2047 |
56 |
| M60 |
90 |
5.5 |
2.3622 |
60 |
| M64 |
95 |
6 |
2.5197 |
64 |
| M68 |
100 |
6 |
2.6772 |
68 |
| M72 |
105 |
6 |
2.8346 |
72 |
| M76 |
110 |
6 |
2.9921 |
76 |
| M80 |
115 |
6 |
3.1496 |
80 |
| M85 |
120 |
6 |
3.3464 |
85 |
| M90 |
130 |
6 |
3.5433 |
90 |
| M100 |
145 |
6 |
3.937 |
100 |
| M110 |
155 |
6 |
4.3307 |
110 |
| M125 |
180 |
6 |
4.9212 |
125 |
| M140 |
200 |
6 |
5.5118 |
140 |
| M160 |
230 |
6 |
6.2992 |
160 |
Thread Type of ASME SB425 UNS N06625 Studs
Torque Chart of ASME SB425 Bolts
| BOLT
DIA |
Torque FT-LBS |
| 30% Initial
Torque |
70%
Torque |
100% Final
Torque |
| 7/8 |
71 |
166 |
237 |
| 1 |
107 |
249 |
356 |
| 1.1/8 |
127 |
297 |
424 |
| 1.5/8 |
191 |
445 |
636 |
| 1.3/4 |
240 |
561 |
801 |
| 1.7/8 |
298 |
696 |
994 |
| 2 |
366 |
853 |
1219 |
| 2.1/4 |
529 |
1234 |
1762 |
| 2.1/2 |
733 |
1709 |
2442 |
| 2.3/4 |
986 |
2300 |
3285 |
| 1.1/4 |
179 |
417 |
596 |
| 1.3/8 |
186 |
435 |
622 |
| 1.1/2 |
246 |
574 |
821 |
| 1.9/16 |
168 |
392 |
560 |
| 1/2 |
16 |
36 |
52 |
| 9/16 |
23 |
53 |
75 |
| 5/8 |
31 |
73 |
104 |
| 3/4 |
55 |
129 |
184 |
| 3 |
1289 |
3008 |
4297 |
Why are ASTM B425 Bolts preferred in corrosive environments?
- Excellent Resistance to Acids
- Chloride Stress Corrosion Cracking Resistance
- Oxidation and Pitting Resistance
- Stability at High Temperatures
- Long Service Life
Get ASME SB425 N08825 Screw Ex. Stock With Dog and Rolled Tip Styles
Testing Conducted on ASTM B425 Nut Bolt
- Mechanical Testing
- Pitting Resistance Test
- Chemical Analysis – Spectro Analysis
- Positive Material Identification – PMI Testing
- Hardness Test
- Micro and Macro Test
- Flattening Test
- Flaring Test
Offer ASTM B425 N08825 Threaded Rod With Oxidation and Phosphating Surface Finish
Surface Treatment of ASTM B425 Stud Bolt
Markings on ASME SB425 Hex Bolt
Siddhagiri Metals is a trusted ASTM B425 Bolt Supplier in India, known for delivering high-quality fasteners with markings.
- Nominal Diameter
- ASTM Specification
- Grade
- Manufacturer’s Name or Symbol
- Heat Code
- Brinell Hardness Number
ASTM B425 Fasteners Types
ASTM B425 Threaded Rod
ASME SB425 Rivet
ASTM B425 UNS N08825 Dowel Pin
ASME SB425 N08825 Washer
ASTM B425 N08825 Eye Bolt
ASTM B425 UNS N08221 Hex Bolts
ASME SB425 N08221 Anchor Bolts
ASTM B425 N08221 U Bolts
ASTM B425 J-Bolts
ASME SB425 Wing Nut
ASTM B425 UNS N08825 Lock Nuts
ASME SB425 N08825 Coupling Nut
Find Source Of Janpanese Origin ASME SB425 Rivet and Dowel Pin With Complete Documentation
ASTM B425 Bolt Equivalent
| STANDARD |
WERKSTOFF NR. |
UNS |
EN |
OR |
BS |
GOST |
AFNOR |
JIS |
| ASTM B425 |
2.4858 |
N08825 |
NiCr21Mo |
XH38BT |
NA 16 |
ЭП703 |
NFE30C20DUM |
NCF 825 |
ASTM B425 Bolt Supplier offer technical support and guidance on material selection.
ASTM B425 Screw Documentation
- Quality Assurance Plan (QAP)
- Material Traceability Records
- Heat Treatment Charts
- NABL approved Laboratory Test Reports
- Commercial Invoice
- Test Certificates certifying NACE MR0103, NACE MR0175
ASTM B425 Bolt Chemical Composition
| Element |
UNS N08825 |
UNS N08221 |
| Manganese |
1.0 max |
1.0 max |
| Carbon |
0.05 max |
0.025 max |
| Chromium |
19.5-23.5
|
20.0-22.0
|
| lronA |
22.0 min |
balance |
| Aluminum |
0.2 max |
0.2 max |
| Titanium |
0.6-1.2 |
0.6-1.0 |
| Copper |
1.5-3.0 |
1.5-3.0 |
| Silicon |
0.5 max |
0.5 max |
| Sulfur |
0.03 max |
0.03 max |
| Nickel |
38.0-46.0 |
39.0-46.0 |
| Molybdenum |
2.5-3.5 |
5.0-6.5 |
ASME SB425 Bolt Mechanical Properties
| Alloy |
Condition |
Yield Strength 0.2 % offset, min, ksi (MPa) |
Tensile Strength min, ksi (MPa) |
Elongation in 2 in. or 50 mm or 4D, min,% |
| UNS N08825 |
Annealed: Hot-finished, cold–drawn
|
35 (241) |
85 (586) |
30A |
| Forging Quality: |
B |
B |
B |
| UNS N08221 |
All sizes annealed |
34 (235) |
79 (544) |
30 |
Physical Properties of ASME SB425 Rivet
| Property |
Value |
| Density |
8.14 g/cm³ |
| Thermal Conductivity |
11.2 W/m·K (at 100 °C) |
| Electrical Resistivity |
1.08 µΩ·m (at 20 °C) |
| Modulus of Elasticity |
196 GPa |
| Melting Point |
1370 – 1400 °C (2500 – 2550 °F) |
| Specific Heat |
0.105 cal/g·°C (439 J/kg·K) |
| Operating Temperature Range |
Up to ~540 °C (1000 °F) |
ASTM B425 Bolt Applications
Siddhagiri Metals is a leading ASTM B425 Bolts Manufacturer in India, specializing in high-performance fasteners for critical applications.
What makes ASTM B425 bolts ideal for nuclear environments?
- Resistance to Nitric Acid
- High Resistance to Stress Corrosion Cracking (SCC)
- Thermal Stability
- Radiation Tolerance
- Compatibility with Nuclear Waste Containment Systems
What should I consider when choosing a supplier for ASTM B425 bolts?
- Material Certification & Standards Compliance
- Experience with Critical Applications
- Quality Assurance Processes
- Traceability & Documentation
- Inventory & Customization
- Lead Time and Logistics
- Certifications & Approvals
When choosing an ASTM B425 Bolt Supplier, it’s crucial to verify their ability to provide certified and traceable products.
Weekly Delivery of ASTM B425 Bolt in below countries:
| Export to |
Continent |
Shipping time |
Germany |
Europe |
20 Days |
Malaysia |
Asia |
10 Days |
Vietnam |
Asia |
10 Days |
Brazil |
South America |
45-60 Days |
Monthly Delivery of ASTM B425 Bolt in below countries:
| Export to |
Continent |
Shipping time |
Kenya |
Africa |
19 Days |
Oman |
Asia |
5 Days |
USA |
North America |
40-60 Days |
UAE |
Asia |
5 Days |
Additional service
:
Small quantity | Custom order | hard to find items |
Sourcing from other countries
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