ASTM A193 B8 ALLEN CAP BOLT, STAINLESS STEEL ASTM A193 B8 HIGH TEMPERATURE FASTENERS, MANUFACTURER OF ASTM A193 B8 THREADED ROD, SS ASTM A193 B8 SOCKET HEAD CAP SCREW, ASTM A193 B8 HEX BOLT SUPPLIER

Hariom Steel is a recognized seller and distributor of ASTM A193 Grade B8 Bolts, available to our customers at reasonable rates. We also offer ASME SA193 Grade B8 Square Bolts in various options to meet customer needs. We are dedicated to providing high-grade steel products, precisely engineered under the supervision of experienced professionals using quality components and leveraging our extensive industry expertise. Our products come in a range of sizes, designs, and shapes to satisfy diverse customer requirements. They feature dimensional precision, corrosion resistance, high tensile strength, superb accuracy, reliability, optimal finish, high endurance, long life, and permanence.

ASTM A193 GR.B8 Bolts Fasteners Specifications

SpecificationASTM A193 / ASME SA193
DimensionsASME B18.2.1, B18.3
SizeM02 to M160, Custom Sizes
Length3 mm to 200 mm
ThreadsMETRIC, BSW, BSF, UNC, UNF or as required
In Form ofHex, Square, Round, Threading as per Gauge Etc.
Test Certificate:Manufacturer Test Certificate as per EN 10204 / 3.1
Surface finishingZinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET
Production processM2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element
Surface Coating
  • Teflon Coated Fasteners
  • Phosphate Coated Fasteners
  • Zinc Coated Fasteners
  • Ptfe Coated
  • Xylon Coated Fasteners
  • Cadmium Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners
All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet
PackingIN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request

ASTM A193 GR.B8 Bolts Chemical Composition

GradeCMnSiPSCrNi
ASTM A193 B80.08 max.2.00 max1.0 max0.045 max0.030 max18.00-20.0010.00-14.00

ASTM A193 GR.B8 Bolts Mechanical Properties

Tensile StrengthYield StrengthElongationReduction areaBrinell Hardness
52.75/MM2min21.1kg/MM2min30% min50% min223 B.H.N max.

ASTM A193 GR.B8 Bolts Standard

Hexagon Bolt / Set ScrewsStud BoltHexagon NutsSocket Cap screws
DIN 931BS4882DIN 934DIN 912
DIN 933DIN 976BS 1768DIN 6912
BS 1768BS 1769DIN 7984
UNI 5731BS 1083ANSI B18.3
UNI 5739BS 3692ISO 4762
ISO 4014ISO 4032UNI 5931
ISO 4017ISO 4033BS 2470
BS 1769ANSI B18.2.2BS 4168
BS 3692
ANSI B18.2.1

Socket & Slotted Set ScrewsSocket & Slotted Countersunk ScrewsStudsWashers
DIN 913DIN 963DIN 938DIN 125
DIN 914DIN 7991DIN 939DIN 9021

Weight Chart Of ASTM A193 GR.B8 Bolts

MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTHDIAMETER
M 5M 6M 8M 10M 12M 14M 16M 18M 20M 22
16 mm0.4480.7431.5903.211
20 mm0.5980.8121.7113.4114.892
25 mm0.6600.8971.8713.6605.2528.170
30 mm0.7371.0102.0703.9125.5749.69010.70718.657
35 mm0.8041.1202.2714.2235.97410.00011.41616.02619.608
40 mm0.8811.2302.4704.5336.41010.28812.10716.66720.747
45 mm0.9581.3402.6714.8406.85910.50412.82117.24121.739
50 mm1.0301.4502.8705.1557.29911.26113.62417.85722.72728.409
55 mm1.5603.0715.4647.74011.62814.40918.86823.81030.120
60 mm1.6703.2705.7748.18312.25515.24420.00025.12632.051
65 mm1.7813.4726.0838.62112.62616.02621.00826.45534.014
70 mm1.8903.6716.3949.05812.98716.83522.12427.77835.461
75 mm2.0003.8736.7029.50613.22817.60623.25629.07039.063
80 mm2.1114.0727.01310.00013.88918.24824.51030.30340.000
90 mm4.4727.63410.91714.92519.84126.04233.11341.667
100 mm4.8738.25111.82016.34021.45927.77835.71446.296
110 mm8.88112.72317.73023.04131.25038.16847.170
120 mm9.50613.62418.79724.63132.89540.98450.000
130 mm10.10114.53520.00026.31634.72243.47852.632
140 mm10.70715.43220.83327.93335.46146.29655.556
150 mm11.31216.34022.22229.41237.59448.54458.824
160 mm11.90517.24124.27231.05640.98450.50561.728
170 mm12.50018.11632.68053.19164.935
180 mm13.12319.01126.88234.24755.55667.568
190 mm13.73619.92035.97158.14070.423
200 mm14.32720.83329.58637.59449.02060.97673.529
220 mm15.52822.62440.65065.78979.365
240 mm16.72224.51043.86071.42984.746
250 mm17.30125.38145.45574.62787.719
260 mm17.92126.31647.17076.92390.909
280 mm19.15728.09050.50581.96798.039
300 mm20.32529.94053.76387.719104.167
320 mm31.64656.81892.593
340 mm33.55760.24198.039
360 mm35.21163.291104.167
380 mm37.03766.667108.696
400 mm39.06369.444113.636

Dimensions Of ASTM A193 B8 Bolts

**All measurements in millimeters**
NOMINAL SIZE (D)BODY DIAMETERHEAD THICKNEASTM A193ACROASTM A193 THE FLATSACROASTM A193 CORNERS
D (MAX)D (MIN)H (MAX)H (MIN)F (MAX)F (MIN)C (MAX)C (MIN)
m1010.009.786.636.1717.0015.7318.4817.77
m1212.0011.737.764.2419.0017.7320.7820.03
m1414.0013.739.098.5122.0020.6724.2523.35
m1616.0015.7310.329.6824.0023.6727.7126.75
m2020.0019.6712.8812.1230.0029.1634.6432.95
m2424.0023.6715.4414.5636.0035.0041.5739.55
m3030.0029.6719.4817.9246.0045.0053.1250.85
m3636.0035.6123.3821.6355.0053.8063.5160.79
m4242.0041.3826.9725.0365.0062.9075.0671.71
m4848.0047.3831.0728.9375.0072.6086.6082.76
m5656.0055.2636.233.8085.0082.2098.1593.71
m6464.0063.2641.3238.6895.0091.80109.70104.65
m7272.0071.2646.4543.55105.00101.40121.24115.60
m8080.0079.2651.5848.42115.00111.00132.72126.54
m9090.0089.1357.7454.26130.00125.50150.11143.07
m10090.0099.1363.960.10145.00140.00167.43159.60

Applications:

Industry
Refineries90%
Oil and Gas Industry96%
Power Generation80%
Pharmaceutical Equipment85%
Pulp & Paper Industry88%