ASTM A193 B7 Bolts

ASTM A193 B7 Hex Bolts covers ferritic steels and austenitic stainless steels to get high temperature or high pressure & corrosion resistant steels and service thus have good corrosion resistance and durability.
A193 Grade B7, depending on diameter, has a minimum tensile strength ranging from 100 ksi to 125 ksi. As you stated, there is no maximum strength requirement.
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Product Details

ASTM A193 B7 bolts can be used for many different applications that include fastening wood, steel, and other construction materials for projects such as docks, bridges, highway structures, and buildings.

bolt and nut

GradeASTM A193 B7
DimensionASTM, IS, BS and all International Standards
Length3mm to 200mm
SizeM2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36
TypesU- Bolts, J Bolts, Mushroom Head Square Neck Bolts, Bolts, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, T-Head Bolts, Eye Bolt, Foundation Bolts, Structural Bolts etc.

ASTM A193 Bolts Chemical Properties

ElementB7 (AISI 4140)
Carbon0.37 - 0.49%
Manganese0.65 - 1.10%
Phosphorus, max0.035%
Sulfur, max0.040%
Silicon0.15 - 0.35%
Chromium0.75 - 1.20%
Nickel-
Molybdenum0.15 - 0.25%

B7 Bolts Mechanical Properties

GradeSizeTensile ksi, minYield, ksi, minElong, %, minRA % min
B7Up to 2-1/21251051650
2-5/8 - 4115951650
4-1/8 - 7100751850


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