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Astm B425 Bolts

ASTM B425 UNS N08825 Bolts manufacturer in India, available for online order

Table Of Content:
Astm B425 Bolts

 

The application of specifications by manufacturers streamlines production as standardised fasteners come into play. These two specifications are ASTM B564 and B425 respectively. The distinction betweenAstm B425 Vs B564is that ASTM B425 only strictly accounts for two nickel-based alloys, whereas ASTM B564 deals with a generic feature of nickel forgings. The requirements followed in the creation ofAstm B425 Stud Bolt includes alloys like UNS N08825 and UNS N08221.

The basic chemical makeup or composition of Astm B425 Uns N08825 includes metals such as nickel, iron, chromium, molybdenum as well as copper. Highly corrosion resistant alloys, the Astm B425 Screw belongs to the Inconel or Incoloy family. Alloys made of inconel are known for their exceptional performance. This indicates that the superior mechanical qualities and corrosion resistant features of theAstm B425 Uns N06625 make it a significant resource for a variety of high-demand industries, such as oil and gas production, aircraft, and power generation.

Yet, the most prominent property of the Astm B425 Nut Bolt is its application in hot climates. To allow for use at high temperatures, the chemistry of alloys like UNS N08825 may need to be altered. Increasing the UNS N08825's carbon contentAstm B425 Bolt would yield an alloy with excellent performance at high temperatures, with no compromise in its mechanical properties.

before buy Compare Astm B425 Bolts price with inconel 600 Bolts price list

ASTM B425 Bolt Specification Table
Dimensions
ASME B18.2.1, B18.3
Melt Origin
South America/East Europe/JapanKorea/
Product Origin
Made in India
Threads Configuration
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
Certification
Dual Certified As per ASTM & ASME Codes
Additional Certifications
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory Requirements
Free from Mercury & Radioactive Contamination
Additional Requirements
NACE MR0103 / MR0175 / ISO 15156 Compliance

 

Price list of ASTM B425 Bolt
Description Price
3/8-16 x 1-1/2" Hex Bolt - Steel - Zinc Plated - 25 Pack - UNC - Crown Bolt FOB Price: $2.83
Pkg of 600, 1/4-20X3 Open Eye Bolt Machine Screw Thread Zinc FOB Price: $74.95
Pkg of 1500, 10-24x1 3/4 Hanger Bolt Full Thread Zinc FOB Price: $85.95
1/4-20 x 3/4" Hex Bolt - Steel - Zinc Plated - UNC - 100 Pack - Crown Bolt FOB Price: $3.80

 

 

weight chart of Astm B425 Uns N08825 bolts
MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH DIAMETER
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22
16 mm 0.448 0.743 1.590 3.211
20 mm 0.598 0.812 1.711 3.411 4.892
25 mm 0.660 0.897 1.871 3.660 5.252 8.170
30 mm 0.737 1.010 2.070 3.912 5.574 9.690 10.707 18.657
35 mm 0.804 1.120 2.271 4.223 5.974 10.000 11.416 16.026 19.608
40 mm 0.881 1.230 2.470 4.533 6.410 10.288 12.107 16.667 20.747
45 mm 0.958 1.340 2.671 4.840 6.859 10.504 12.821 17.241 21.739
50 mm 1.030 1.450 2.870 5.155 7.299 11.261 13.624 17.857 22.727 28.409
55 mm 1.560 3.071 5.464 7.740 11.628 14.409 18.868 23.810 30.120
60 mm 1.670 3.270 5.774 8.183 12.255 15.244 20.000 25.126 32.051
65 mm 1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014
70 mm 1.890 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461
75 mm 2.000 3.873 6.702 9.506 13.228 17.606 23.256 29.070 39.063
80 mm 2.111 4.072 7.013 10.000 13.889 18.248 24.510 30.303 40.000
90 mm 4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667
100 mm 4.873 8.251 11.820 16.340 21.459 27.778 35.714 46.296
110 mm 8.881 12.723 17.730 23.041 31.250 38.168 47.170
120 mm 9.506 13.624 18.797 24.631 32.895 40.984 50.000
130 mm 10.101 14.535 20.000 26.316 34.722 43.478 52.632
140 mm 10.707 15.432 20.833 27.933 35.461 46.296 55.556
150 mm 11.312 16.340 22.222 29.412 37.594 48.544 58.824
160 mm 11.905 17.241 24.272 31.056 40.984 50.505 61.728
170 mm 12.500 18.116 32.680 53.191 64.935
180 mm 13.123 19.011 26.882 34.247 55.556 67.568
190 mm 13.736 19.920 35.971 58.140 70.423
200 mm 14.327 20.833 29.586 37.594 49.020 60.976 73.529
220 mm 15.528 22.624 40.650 65.789 79.365
240 mm 16.722 24.510 43.860 71.429 84.746
250 mm 17.301 25.381 45.455 74.627 87.719
260 mm 17.921 26.316 47.170 76.923 90.909
280 mm 19.157 28.090 50.505 81.967 98.039
300 mm 20.325 29.940 53.763 87.719 104.167
320 mm 31.646 56.818 92.593
340 mm 33.557 60.241 98.039
360 mm 35.211 63.291 104.167
380 mm 37.037 66.667 108.696
400 mm 39.063 69.444 113.636

 

Packaging of Astm B425 Uns N06625 fasteners
Astm B425 bolts packaging
Astm B425 Uns N06625 fasteners packaging

 

ASME SB425 Bolts Torque Chart
BOLT
DIA
Torque FT-LBS
30% Initial
30% Initial
Torque
70%
Torque
100% Final
Torque
1/2
16
36
52
9/16
23
53
75
5/8
31
73
104
3/4
55
129
184
7/8
71
166
237
1
107
249
356
1.1/8
127
297
424
1.1/4
179
417
596
1.3/8
186
435
622
1.1/2
246
574
821
1.9/16
168
392
560
1.5/8
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
3
1289
3008
4297

 

 

ASTM B425 UNS N08825 Bolts Drive Style

ASTM B425 UNS N08825 Bolts Drive Style

 

testing conducted on Astm B425 Nut Bolt
  • Hardness Test
  • Mechanical Testing Such as Tensile of Area
  • Flattening Test
  • Pitting Resistance Test
  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Flaring Test
  • Micro and MacroTest
  • Intergranular Corrosion (IGC) Test

 

Dimensions of ASTM B425 Heavy Hex Bolts
Astm B425 Heavy Hex Bolts Dimensions
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.

 

Markings on ASME SB425 Hex Bolt
  • Grade
  • Nominal Diameter
  • ASTM Specification
  • Brinell Hardness Number
  • Manufacturer’s Name or Symbol
  • Heat Code

 

 

Astm B425 Uns N08825 Physical Properties
  • Mean Coefficient of Thermal Expansion: in/in/°F (mm/m/°C) 70- 212°F (20- 100°C)– 7.9 x 10-6 (14.2)
  • Density: 0.27 lbs/in³, 7.94.g/cm³
  • Melting Point: 2525°F (1385°C)
  • Specific Heat, Btu/lb•°F, J/kg•°C:
  • 32-212°F (0-100°C): 0.11 (460)
  • Permeability at 70°F (21°C) H= 200 Oersted : Annealed : 1.014
  • Thermal Conductivity: BTU/h-ft-°F (W/m-°K): 70°F (21°C): 6.7 (11.6)
  • Modulus of Elasticity: ksi (MPa) 28.5 x 10³ (196.5 x 10³) in tension

 

Dimensions Schedule of Astm B425 Uns N06625 Hex Bolt
Dimensions Schedule of Astm B425 Uns N06625 Hex Bolt
NOMINAL SIZE (D)
BODY DIAMETER
HEAD THICKNESS
ACROSS THE FLATS
ACROSS BOLTS CORNERS
D (MAX)
D (MIN)
H (MAX)
H (MIN)
F (MAX)
F (MIN)
C (MAX)
C (MIN)
m10
10.00
9.78
6.63
6.17
17.00
15.73
18.48
17.77
m12
12.00
11.73
7.76
4.24
19.00
17.73
20.78
20.03
m14
14.00
13.73
9.09
8.51
22.00
20.67
24.25
23.35
m16
16.00
15.73
10.32
9.68
24.00
23.67
27.71
26.75
m20
20.00
19.67
12.88
12.12
30.00
29.16
34.64
32.95
m24
24.00
23.67
15.44
14.56
36.00
35.00
41.57
39.55
m30
30.00
29.67
19.48
17.92
46.00
45.00
53.12
50.85
m36
36.00
35.61
23.38
21.63
55.00
53.80
63.51
60.79
m42
42.00
41.38
26.97
25.03
65.00
62.90
75.06
71.71
m48
48.00
47.38
31.07
28.93
75.00
72.60
86.60
82.76
m56
56.00
55.26
36.2
33.80
85.00
82.20
98.15
93.71
m64
64.00
63.26
41.32
38.68
95.00
91.80
109.70
104.65
m72
72.00
71.26
46.45
43.55
105.00
101.40
121.24
115.60
m80
80.00
79.26
51.58
48.42
115.00
111.00
132.72
126.54
m90
90.00
89.13
57.74
54.26
130.00
125.50
150.11
143.07
m100
90.00
99.13
63.9
60.10
145.00
140.00
167.43
159.60

 

ASME SB425 Bolts Most Common Head

Most Common Head of ASME SB425 Bolts

 

Astm B425 Uns N06625 bolts Size Chart

Coarse Thread Bolts

NOM.
DIA.		 PITCH
mm		 DIAMETER
mm		 DIAMETER
inch		 NUT
Size
M10 1.5 10 0.3937 17
M12 1.75 12 0.4724 19
M14 2 14 0.5512 22
M16 2 16 0.6299 24
M18 2.5 18 0.7087 27
M20 2.5 20 0.7874 30
M22 2.5 22 0.8661 32
M24 3 24 0.9449 36
M27 3 27 1.063 41
M30 3.5 30 1.1811 46
M33 3.5 33 1.2992 50
M36 4 36 1.4173 55
M39 4 39 1.5354 60
M42 4.5 42 1.6535 65
M45 4.5 45 1.7717 70
M48 5 48 1.8898 75
M52 5 52 2.0472 80
M56 5.5 56 2.2047 85
M60 5.5 60 2.3622 90
M64 6 64 2.5197 95
M68 6 68 2.6772 100
M72 6 72 2.8346 105
M76 6 76 2.9921 110
M80 6 80 3.1496 115
M85 6 85 3.3464 120
M90 6 90 3.5433 130
M100 6 100 3.937 145
M110 6 110 4.3307 155
M125 6 125 4.9212 180
M140 6 140 5.5118 200
M160 6 160 6.2992 230

 

Fine Thread Bolts

NOM.
DIA.		 PITCH
mm		 DIAMETER
mm		 DIAMETER
inch		 NUT
Size
M16 1.5 16 0.6299 24
M18 2 18 0.7087 27
M18 1.5 18 0.7087 27
M20 2 20 0.7874 30
M20 1.5 20 0.7874 30
M22 2 22 0.8661 32
M22 1.5 22 0.8661 32
M24 2 24 0.9499 36
M24 1.5 24 0.9499 36
M27 2 27 1.063 41
M27 1.5 27 1.063 41
M30 2 30 1.1811 46
M30 1.5 30 1.1811 46
M33 2 33 1.2992 50
M33 1.5 33 1.2992 50
M36 3 36 1.4173 55
M36 1.5 36 1.4173 55
M39 3 39 1.5354 60
M42 3 42 1.6535 65
M45 3 45 1.7717 70
M48 3 48 1.8898 75
M52 3 52 2.0472 80
M56 4 56 2.2047 85
M60 4 60 2.3622 90
M64 4 64 2.5197 95
M68 4 68 2.6772 100
M72 4 72 2.8346 105
M76 4 76 2.9921 110
M80 4 80 3.1496 115
M85 4 85 3.3464 120
M90 4 90 3.5433 130
M100 4 100 3.9370 145
M110 4 110 4.3307 155
M125 4 125 4.9212 180

 

Surface Treatment of Astm B425 Stud Bolt
Mirror Buffed
Hot Dipped Galvanizing
Epoxy Coating
Electro Polished
Passivation
Teflon Coating
Oxidized
Zinc Plating
Chrome Plating

Surface Treatment of Astm B425 Stud Bolt

 

Astm B425 Screw Documentation
  • Form A for the purposes of the Generalized System of Preferences (GSP)
  • Test Certificates certifying NACE MR0103, NACE MR0175
  • Guarantee Letter
  • Fumigation Certificates
  • Commercial Invoice which includes HS Code
  • Raw Material Test Reports
  • Quality Assurance Plan (QAP)
  • Material Traceability Records
  • Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
  • Heat Treatment Charts
  • Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
  • Packing List including net weight and gross weight, number of boxes, Marks and Numbers
  • Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
  • NABL approved Laboratory Test Reports

 

Thread Type of ASME SB425 UNS N06625 Studs 

Thread Type of ASME SB425 UNS N06625 Studs

 

ASTM B425 UNS N08825 Bolts Industrial Application
  • Agriculture equipment
  • Transportation equipment
  • Paper & Pulp Industry
  • In bridges and other structural steel works
  • Automobile industry
  • Spiral Cases and penstocks in power plants
  • Power Plant
  • Food Processing Industry
  • Offshore industries
  • Pylons and other architectural structures
  • Plumbing

 

Test Certificates of Astm B425 Bolt
  • EN 10204/3.1B,
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report, etc

 

Chemical Composition of ASME SB425 UNS N08800 Bolt
Grade
C
Mn
Si
Fe
S
Cr
Al-Ti
Ni
800
min.
–
–
–
39.5
–
19.0
0.15
30.0
max.
0.1
1.5
1.0
–
0.015
23.0
0.60
35.0
800H
min.
0.05
–
–
39.5
–
19.0
0.15
30.0
max.
0.1
1.5
1.0
–
0.015
23.0
0.60
35.0
800HT
min.
0.06
–
–
39.5
–
19.0
0.85/0.25
30.0
max.
0.1
1.5
1.0
–
0.015
23.0
1.20/0.60
35.0

 

ASTM B425 UNS N08800 Heavy Hex Bolt Mechanical Properties
Grade
Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50mm) min
Hardness
Rockwell B (HR B) max
Brinell (HB) max
800-H-HT
Psi – 75,000 , MPa – 520
Psi – 30,000 , MPa –205
30
–
–
825
Psi – 80,000 , MPa – 550
Psi – 32,000 , MPa –220
30
–
–

 

ASME SB425 UNS N08800 Bolt Equivalent Grade
STANDARD
WERKSTOFF NR.
UNS
JIS
BS
GOST
AFNOR
EN
OR
Incoloy 800
1.4876
N08800
NCF 800
NA 15
ЭИ670
Z8NC32-21
X10NiCrAlTi32-20
XH32T
Incoloy 800H
1.4958 / 1.4876
N08810
NCF 800H
NA 15(H)
ЭИ670
Z8NC33-21
X5NiCrAlTi31-20
XH32T
Incoloy 800HT
1.4859 / 1.4876
N08811
NCF 800HT
NA 15(HT)
ЭИ670
-
X8NiCrAlTi32-21
XH32T
Incoloy 825
2.4858
N08825
NCF 825
NA 16
ЭП703
NFE30C20DUM
NiCr21Mo
XH38BT

 

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