Manufacturer Exporters Stainless Steel ASTM A193 B8 B8m Stud Bolts

Manufacturer Exporters Stainless Steel ASTM A193 B8 B8m Stud Bolts

Originally issued in 1936, this specification is widely used in the petroleum and chemical industries. The A193/A193M standard covers both inch and metric series products. It specifies alloy steel and stainless steel bolting materials suitable for high-temperature or high-pressure environments. This standard includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. While these bolts are commonly available with national coarse (UNC) threads, for diameters above one inch, threads are typically specified at 8 threads per inch (TPI).

A193 Grades

B8 Class 1 Stainless steel, AISI 304, solution annealed.

B8M Class 1 Stainless steel, AISI 316, solution annealed.

B8 Class 2 Stainless steel, AISI 304, solution annealed and cold worked.

B8M Class 2 Stainless steel, AISI 316, solution annealed and cold worked.

A193 Mechanical Properties

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA %Â min HBW HRC

B8 Class 1 All 75 30 30 50 223 max 35 max

B8M Class 1 All 75 30 30 50 223 max 96 max

B8 Class 2 Up to 3/4 125 100 12 35 321 max 35 max

7/8 -Â 1 115 80 15 35

1-1/8 -Â 1-1/4 105 65 20 35

1-3/8 -Â 1-1/2 100 50 28 45

B8M Class 2 Up to 3/4 110 95 15 45 321 max 35 max

7/8 -Â 1 100 80 20 45

1-1/8 -Â 1-1/4 95 65 25 45

1-3/8 -Â 1-1/2 90 50 30 45

A193 Chemical Properties

Element B8 (AISI 304) B8M (AISI 316)

Carbon 0.08% max 0.08% max

Manganese 2.00% max 2.00% max

Phosphorus, max 0.045% 0.045%

Sulfur, max 0.030% 0.030%

Silicon 1.00% max 1.00% max

Chromium 18.0 -Â 20.0% 16.0 -Â 18.0%

Nickel 8.0 -Â 11.0% 10.0 -Â 14.0%

Molybdenum Â 2.00 -Â 3.00%

A193 Recommended Hardware

Bolt Grade Nuts Washers

B8 Class 1 A194 Grade 8 SS304

B8M Class 1 A194 Grade 8M SS316

B8 Class 2 A194 Grade 8 SS304

B8M Class 2 A194 Grade 8M SS316

Advantages

Many Products We can supply various types of stainless steel hardware as per your needs.

Good Service We provide honest and sincere service to all our clients.

High Quality Our strict quality control ensures reliable and durable products.

OEM Accepted Custom production based on your drawings or samples is available.

Fast Delivery Stock items within 3 days, custom orders within 7-15 days.

Low MOQ We support small orders to meet your business requirements.

Sample Charge:

Samples charge Sampling time

According to your request 5-7 days

Free for Existing Mold 3 days

Packing Information:

Carton Size: 25*16*25CM

Wooden Pallet/Case Size: 110*90*80CM

Color printed boxes and cartons can be customized upon request.

Company Information:
Hand Industrial Ltd was established in 2010 and is a professional manufacturer and supplier of stainless steel hardware. Our product range includes stainless steel bolts, threaded studs, machine screws, tapping screws, and self-drilling screws in various grades such as SS 304, SS 316, SS 316L, and SS 410. We produce to DIN, ANSI, BS, ISO, JIS standards, and offer OEM services. Our products are popular in Europe, Australia, North America, the Middle East, Southeast Asia, and parts of Africa.

We can supply different sizes of super alloy steel hex bolts, hex socket bolts, threaded studs, hex nuts, and plain washers.

CNC Vertical Lathes
CNC lathe is a machine tool for machining metals and other materials, which controls the movement of the table and tools by a computer or other digital device to achieve high precision and efficiency. Compared with traditional lathes.

Structural characteristics of CNC vertical lathe:
CNC vertical lathe is a CNC vertical lathe whose main structure is base and single column type structure with table, fixed beam, square ram and single tool holder structure, which is an economic CNC vertical lathe with high rigidity and high cost performance. The casting process of CNC vertical lathe is large in volume and complex in structure, the amount of iron liquid poured is large, the cooling time of the casting is long, and casting defects such as shrinkage, shrinkage, pore, crack and substandard mechanical properties are easy to appear, and it is difficult to control the production process. The base, column and beam of CNC vertical lathe are made of high-strength cast iron with good shock absorption; the large span hardened guide rail has good wear resistance and long-lasting precision maintenance. Symmetrical box structure can carry heavy cutting with high torque. The ram adopts square structure, with good precision. Fixed cross beam, good rigidity and high precision. CNC vertical lathe single tool block structure, stable and reliable precision. Centralized machine operation panel â—‡Makes the operation more convenient and quick. It can process various internal and external cylindrical surfaces, conical surfaces, circular curved surfaces, etc. CNC vertical lathe is suitable for processing parts such as motor shells, large and medium-sized disk sets and covers. It is suitable for electromechanical, automobile, wind power, engineering machinery and other industries.

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Ningbo Yien Machinery Co., Ltd , https://www.yienmachinery.com