Stainless Steel B8 Fasteners


Stainless Steel B8 Heavy Hex Nut, SS ASTM A193 Grade B8 Socket Head Cap Screw, ASTM A193 B8 Hex Head Bolt, Stainless Steel B8 Lock Hex Nut, B8 SS Spring Washer, ASTM A193 B8 Stainless Steel High Temperature Fasteners Suppliers in India


SS B8 Machine Bolts Manufacturers, Stainless Steel B8 Plain Washer in Mumbai, SS B8 Industrial Fasteners Exporter in India, SS ASTM A193 B8 Fully Threaded Bolts, Stainless Steel B8 Half Threaded Stud Bolts, SS B8 Fasteners Price List in India.


ASTM A193 specifies standard specification for Alloy-Steel and Stainless Steel. B8 is one of the grades of ASTM A193. This grade defines the quality or standards of carbon and alloy steel, which can be used in a high-pressure or high-temperature application. This specification includes Fasteners proposed for use in pressure vessels, valves, flanges, and fittings. This standard has excellent qualities like high mechanical properties and high-temperature requirements.


We, Arrow Piping Solutions manufacturers, supplier, and exporter of Stainless Steel Fasteners. We are producing Stainless Steel Fasteners in various grades like B8 grade. We are offering these grades to numerous industries to complete critical industrial applications efficiently. We supply our high-grade Stainless Steel B8 Fasteners to various industries like aerospace, defence, marine, automotive, petrochemical, chemicals, waste processing, and pharmaceutical sectors. Our highest quality Stainless Steel B8 Fasteners are suitable to complete applications in high-temperature and high-pressure.


Arrow Piping Solutions of stainless steel B8 fasteners in a variety of size, dimensions standards and tolerance to meet your project’s needs—including fasteners in dimension as per ASME B1.1, ASME B18.2.1, ASME B18.2.2, ASME B18.2.8, ASME B18.6.3, ASME B18.21.1, ASME B1.13M Fasteners / DIN , ANSI, JIS, ASTM standards specifications / weight chart & thickness of B8 stainless steel fasteners.


We use premium material to produce Stainless Steel B8 Fasteners which make them durable and perfect for any application. We have high tech manufacturing firm which is updated with all new technologies and machinery. We follow all defined and standards processes to get the expected quality. Along with national and international standards, we are manufacturing high-grade Stainless Steel B8 Fasteners. With strict quality testing and supervision under the guidance of our skilled professionals, we are delivering defect-free Fasteners.


Stainless Steel B8 Fasteners Specifications

Specification ASTM A193 / ASME SA193
Dimension DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range M3 - M56 | 3/6" to 2" | Custom Sizes
Length 3 mm to 200 mm

Stainless Steel ASTM A193 B8 Grades

B7 Alloy steel, AISI 4140/4142 quenched and tempered
B8 Class 1 Stainless steel, AISI 304, carbide solution treated.
B8M Class 1 Stainless steel, AISI 316, carbide solution treated.
B8 Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened
B8M Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened

We believe in precision, perfection, and quality production, which are vital factors to get the most excellent quality. Our high-grade Stainless Steel B8 Fasteners offers superior service life in any operation. Our Stainless Steel B8 Fasteners has qualities like excellent strength, safety, durability, and sturdiness. We are supplying these Fasteners in various specifications like with variable size, diameters, and thickness. With the options of customised and non-customised, we are providing perfectly suitable Fasteners to our clients. We are focusing on to offer satisfying quality to our esteem clients. Along with proper packing, shipping, and excellence, we are fulfilling the need of clients within the decided time. We are here with a full inventory of industrial products and also to deliver precise products at reasonable rates.

Stainless Steel B8 Fasteners Dimensions :

Full Range of SS B8 Fastener Products both Imperial & Metric. Dimensions range from M3 to M72

Hexagon Bolts / Set Screws Stud Bolts Hexagon Nuts Socket Capscrews
DIN 931BS4882DIN 934DIN 912
DIN 933DIN 976BS 1768DIN 6912
BS 1768BS 1769DIN 7984UNI 5731
BS 1769DIN 7984UNI 5731BS 1083
BS 1083ANSI B18.3UNI 5739BS 3692
BS 3692ISO 4762ISO 4014ISO 4032
ISO 4014ISO 4032UNI 5931ISO 4017
ISO 4017ISO 4033BS 2470BS 1769
BS 1769ANSI B18.2.2BS 4168BS 3692
ANSI B18.2.1
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913DIN 963DIN 938DIN 125
DIN 914DIN 7991DIN 939DIN 9021
DIN 915BS 4168DIN 2510BS 4320
DIN 916BS 1981BS 4439BS 3410
DIN 551BS 483BS 2693
DIN 553BS 2470
DIN 438
Spring Washers
DIN 127
BS 4168
BS 4464
BS 1802

ASTM A193 B8 Fasteners Chemical Composition

Grade C Mn Si P S Cr Ni
ASTM A193 B8 0.08 max. 2.00 max 1.0 max 0.045 max 0.030 max 18.00-20.00 10.00-14.00
ASTM A193 B8 CL 1 0.08 max. 2.00 max 1.0 max 0.045 max 0.030 max 18.00-20.00 8.0 -11.0
ASTM A193 B8 CL 2 0.08 max. 2.00 max 1.0 max 0.045 max 0.030 max 18.00-20.00 8.0 -11.0

SS ASTM A193 B8 Fasteners Mechanical Properties

Grade Diameter Tensile Strength Yield Strength Elongation Reduction Hardness
Grade B8, B8M, Class 1, 1D All Diameters 515 205 30 50 223 HBW or 96 HRB
Grade B8, B8C, B8T, Class 2 M20 and under 860 690 12 35 321 HBW or 35 HRC
Grade B8, B8C, B8T, Class 2 M20 to M24, inclusive 690 550 20 45 321 HBW or 35 HRC
Grade B8, B8C, B8T, Class 2 M24 to M30, inclusive 655 450 25 45 321 HBW or 35 HRC
Grade B8, B8C, B8T, Class 2 M30 to M36, inclusive 620 345 30 45 321 HBW or 35 HRC
Grade B8, B8M2, Class 2B M48 and under 655 515 25 40 321 HBW or 35 HRC
Grade B8, B8M2, Class 2B M48 to M64, inclusive 620 450 30 40 321 HBW or 35 HRC
Grade B8, B8M2, Class 2B M64 to M72, inclusive 550 380 30 40 321 HBW or 35 HRC

Stainless Steel ASTM A193 B8 Fasteners Application Industries

  • Textile machinery
  • Oil and gas industry
  • Pulp and paper industry
  • Power plants
  • Energy industries
  • Furniture
  • Pharmaceutical processing industry
  • Modern architecture
  • Home appliances
  • Water waste projects
  • Synthetic fiber
  • Heat exchanger
  • Fluid piping
  • Dairy and food processing