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a193 b8 b8m stainless steel thread rod and a194 gr.8,8m nuts

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A193 B8 B8M Stainless Steel thread rod and A194 Gr.8,8M nuts

We mainly supply ASTM A193 Gr. B8, B8M, B8T, B8T stud bolts and ASTM A194 Gr. 8, 8M, 8T, 8C heavy hex nuts.

Our products have been widely used in oil&gas engineering, petro-chemical engineering, power station, offshore engineering, nuclear engineering, heavy machinery, skyscraper etc.

SpecificationClassMaterialNominal Size
Range (in.)
Mechanical Properties
Yield Strength,
min, 0.2
% offset,
ksi
Tensile
Strength,
min, ksi
Elongation
in 4 D,
min %
Reduction
of Area,
min %
Hardness,
max
ASTM A193
Grade B8
Class 1
Class 1A
AISI 304All diameter30753050223HB
or
96HRBC
ASTM A193
Grade B8M
AISI 316
ASTM A193
Grade B8T
AISI 321
ASTM A193
Grade B8
Class 2AISI 304 Strain Hardened3/4 and under1001251235321HB
or
35HRC
3/4 to 1 incl8011515
1 to 1-1/4 incl6510520
1-1/4 to 1-1/2 incl501002845
ASTM A193
Grade B8M
3/4 and under9511015
3/4 to 1 incl8010020
1 to 1-1/4 incl659525
1-1/4 to 1-1/2 incl509030
ASTM A193
Grade B8T
AISI 321 Strain Hardened3/4 and under1001251235
3/4 to 1 incl8011515
1 to 1-1/4 incl6510520
1-1/4 to 1-1/2 incl501002845
ASTM A193
Grade B8M
Class 2BAISI 316 Strain Hardened2 and under75952540
2 to 2-1/2 incl659030
2-1/2 to 3 incl5580
Class 2C2 and under658560
SpecificationMaterialClassNominal Size (In.)Proof Load Stress (ksi)Hardness RockwellNut Type
MinMax
ASTM A194 Grade 8AISI 304Class 1All diameter80B60C32Heavy hex nut
Hex thin nut
Hex nut
ASTM A194 Grade 8MAISI 316Class 1
Class 2
110
ASTM A194 Grade 8TAISI 321110

 

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