Hardness testing to ISO 6508-1
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Stainless Steel A193 Grade B8M Stud Bolt is a specific type of fastener designed for various industrial applications. It is known for its exceptional corrosion resistance and durability. Below are key features, corrosion resistance, applications, and other relevant information about this stud bolt:
Features:
Material Composition: A193 Grade B8M stud bolts are made from stainless steel, specifically AISI 316 stainless steel. This material contains chromium, nickel, and molybdenum, which contribute to its corrosion resistance and strength.
Corrosion Resistance: One of the standout features of Grade B8M stud bolts is their high resistance to corrosion. They are particularly well-suited for use in environments where exposure to moisture, chemicals, or salt is common. This corrosion resistance helps prevent rust and degradation, ensuring a longer lifespan.
Strength: These stud bolts offer good mechanical properties, making them suitable for applications requiring a high degree of tensile strength. They can withstand substantial loads and provide reliable fastening solutions.
Temperature Tolerance: Grade B8M stud bolts can operate effectively in a wide range of temperatures, making them versatile for various industrial settings.
Corrosion Resistance: Stainless Steel A193 Grade B8M stud bolts exhibit excellent corrosion resistance due to the following factors:
Chromium Content: The presence of chromium in the stainless steel alloy forms a protective oxide layer on the surface of the bolt. This layer acts as a barrier against corrosion, even in aggressive environments.
Nickel and Molybdenum: The addition of nickel and molybdenum further enhances the alloy's resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking.
Passivation: Grade B8M stud bolts are often passivated to remove any surface contaminants and ensure the integrity of the protective oxide layer.
Applications: Stainless Steel A193 Grade B8M stud bolts find applications in various industries, including but not limited to:
Marine Industry: Due to their excellent resistance to saltwater corrosion, these stud bolts are widely used in shipbuilding and offshore structures.
Specifications | ASTM A193 / ASME SA193 |
Size | M02 to M160 |
Length | 3 to 200 mm |
Dimensions | DIN 975/976, ASME B18.2.1, B18.31.3, B16.5 |
DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Threads | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Type | Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling |
Chemical Processing: They are suitable for fastening components in chemical plants where exposure to corrosive chemicals is a concern.
Food and Beverage: Grade B8M stud bolts are used in food processing equipment and facilities due to their corrosion resistance and compliance with food-grade standards.
Petrochemical Industry: These stud bolts are employed in the construction and maintenance of petrochemical facilities where exposure to harsh chemicals and environmental conditions is common.
Water Treatment: They are used in water treatment plants where corrosion resistance is crucial.
Construction: Grade B8M stud bolts are used in construction projects, particularly in coastal regions, where exposure to salt and moisture is high.
To preserve the high standards of our selection of industrial stud bolts, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of stud bolts.
Element
|
B8M (AISI 316)
|
---|---|
Carbon
|
0.08% max
|
Manganese
|
2.00% max
|
Phosphorus, max
|
0.045%
|
Sulfur, max
|
0.030%
|
Silicon
|
1.00% max
|
Chromium
|
16.0 – 18.0%
|
Nickel
|
10.0 – 14.0%
|
Molybdenum
|
2.00 – 3.0
|
Grade
|
Size
|
Tensile ksi, min
|
Yield, ksi, min
|
Elong, %, min
|
RA % min
|
B8M Class 1
|
All
|
75
|
30
|
30
|
50
|
B8M Class 2
|
Up to 3/4
|
125
|
100
|
12
|
35
|
7/8 – 1
|
115
|
80
|
15
|
35
|
|
1-1/8 – 1-1/4
|
105
|
65
|
20
|
35
|
|
1-3/8 – 1-1/2
|
100
|
50
|
28
|
45
|
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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