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ASTM A193 B8M Bolt

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A193 Grade B8M Allen Bolt, B8M Grade Flange Head Bolt, SA193 Class 1 B8M Anchor Bolt, Class 1 Grade B8M Hex Bolt, B8M Grade ASME SA193 Eye Bolt, ASTM A193 B8M Hex Head Bolt, B8M Class 1 Stud Bolt, ASME SA193 B8M U Bolt.

Austenitic SS bolts are also known as Grade B8 bolts. While alloy 304 makes grade B8 bolts, alloy 316 is used to make ASTM A193 B8m bolts. The A193 B8M Heavy Hex Bolts are preferred above grade B8 because of their enhanced corrosion resistance to seawater and brine solutions. The term “marine grade” may also describe these stainless steel fasteners. The ASME SA193 B8M Nuts are either carbide solution annealed and are divided into two grades.

These procedures often enhance the alloy’s properties, resulting in a greater B8M Yield Strength. Additionally, the corrosion resistance is strengthened, particularly if the bolts need to be welded.

About ASTM A193 B8M Bolt

The material reduces this risk by eliminating undesirable phases and carbides from the alloy of Astm a193 grade b8m threaded rod through solution annealing. The ASTM A193 Gr b8m bolt is a witness to features like better stress and higher creep to rupture; therefore, using this grade is useful for a variety of high-temperature applications.

Solution annealing is the only technique applied to fasteners that comply with ASTM A193 B8m Class 1. On the other hand, the alloy will undergo a strain or work hardening procedure if the fasteners have been designated class 2, such as ASTM a193 b8m class 2 bolts.

Specification Of ASTM A193 B8M Bolt

DimensionsASME B18.2.1, B18.3
Melt OriginKorea, South America, Japan, East Europe,
Mandatory RequirementsFree from Mercury & Radioactive Contamination
Additional CertificationsPED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified
CertificationDual Certified As per ASTM & ASME Codes
Additional RequirementsNACE MR0103 / MR0175 / ISO 15156 Compliance
Threads ConfigurationASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads

Chemical Composition ASTM A193 B8M Bolt

ASTMC.Mn.Si.P.S.Cr.Ni.Mo.V.Ti.Brinell HardnessImpact Value
A193
Grade B8
0.08 max.2.00 max.1.00 max.0.045 max.0.030 max.18.00---20.008.00---10.50---------223 B.H.N.
max.
Not
applicable

Mechanical Properties ASTM A193 B8M Bolt

GradeSizeTensile ksi, minYield, ksi, minElong, %, minRA % minHBWHRC
B8M Class 1All75303050223 max96 max
B8M Class 2Up to 3/4110951545321 max35 max
7/8 - 1100802045
1-1/8 - 1-1/495652545
1-3/8 - 1-1/290503045

Dimensions Of ASTM A193 B8M Bolt

Stainless Steel Bolts Dimensions Chart :

Nominal Size
or Basic
Product
Diameter

Full-Size Body
Diameter,
E
Width Across Flats,
F
Width Across
Corners, G
Head Height, H BasicRadius of
Fillet, R
Nominal Thread
Length for Bolt
Lengths,
LT
inchmmMaxMinBasic
inch
MaxMinMaxMinBasic
inch
MaxMinMaxMin6 in. and
Shoter
Over
6 in.
1⁄40.250.260.2377⁄160.4380.4250.5050.48411⁄640.1880.150.030.010.751
5⁄160.31250.3240.2981⁄20.50.4840.5770.5527⁄320.2350.1950.030.010.8751.125
3⁄80.3750.3880.369⁄160.5620.5440.650.621⁄40.2680.2260.030.0111.25
7⁄160.43750.4520.4215⁄80.6250.6030.7220.68719⁄640.3160.2720.030.011.1251.375
1⁄20.50.5150.4823⁄40.750.7250.8660.82611⁄320.3640.3020.030.011.251.5
5⁄80.6250.6420.60515⁄160.9380.9061.0831.03327⁄640.4440.3780.060.021.51.75
3⁄40.750.7680.72911⁄81.1251.0881.2991.241⁄20.5240.4550.060.021.752
7⁄80.8750.8950.8521 5⁄161.3121.2691.5161.44737⁄640.6040.5310.060.0222.25
111.0220.9761 1⁄21.51.451.7321.65343⁄640.70.5910.090.032.252.5
1 1⁄81.1251.1491.0981 11⁄161.6881.6311.9491.8593⁄40.780.6580.090.032.52.75
1 1⁄41.251.2771.2231 7⁄81.8751.8122.1652.06627⁄320.8760.7490.090.032.753
1 3⁄81.3751.4041.3452 1⁄162.0621.9942.3822.27329⁄320.940.810.090.0333.25
1 1⁄21.51.5311.472 1⁄42.252.1752.5982.4811.0360.9020.090.033.253.5
1 5⁄81.6251.6581.5912 7⁄162.4382.3562.8152.6161 3⁄321.1160.9780.090.033.53.75
1 3⁄41.751.7851.7162 5⁄82.6252.5383.0312.8931 5⁄321.1961.0540.120.043.754
1 7⁄81.8751.9121.8392 13⁄162.8122.7193.2483.0991 1⁄41.2761.130.120.0444.25
222.0391.964332.93.4643.3061 11⁄321.3881.1750.120.044.254.5
2 1⁄42.252.3052.2143 3⁄83.3753.2623.8973.7191 1⁄21.5481.3270.190.064.755
2 1⁄22.52.5592.4613 3⁄43.753.6254.334.1331 21⁄321.7081.4790.190.065.255.5
2 3⁄42.752.8272.7114 1⁄84.1253.9884.7634.5461 13⁄161.8691.6320.190.065.756
333.0812.9614 1⁄24.54.355.1964.95922.061.8150.190.066.256.5
3 1⁄43.253.3353.214 7⁄84.8754.7125.6295.3722 3⁄162.2511.9360.190.066.757
3 1⁄23.53.5893.4615 1⁄45.255.0756.0625.7862 5⁄162.382.0570.190.067.257.5
3 3⁄43.753.8583.7265 5⁄85.6255.4376.4956.1982 1⁄22.5722.2410.190.067.758
444.1113.975665.86.9286.6122 11⁄162.7642.4240.190.068.258.5

Different Types Of ASTM A193 B8M Bolt

Different Types Of Bolts

Application of ASTM A193 B8M Bolt

Testing of ASTM A193 B8M Bolt

Packing of ASTM A193 B8M Bolt

Destination Of ASTM A193 B8M Bolt

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