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ASTM F593

Scope

ASTM F593 covers the chemical and mechanical requirements for stainless steel bolts, hex cap screws and studs in diameters ranging from 1/4″ to 1-1/2″ inclusive. These fasteners are for general purpose usage, and are available in seven alloy groups. Below is a basic summary of the common grades within the ASTM F593 specification. A number of other less common grades of ASTM F593 exist, but are not detailed in the description below. The Mechanical table here is limited to Alloy groups 1 and 2, as those are the most common and the Chemical table is only showing the most common alloy grades used for their respective alloy groups . More detailed information can be found in the ASTM F593 standard on the ASTM website.

F593 Alloy Groups

Alloy Group Alloy Designation Alloy Type
1303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303SeAustenitic
2316, 316LAustenitic
3321, 347Austenitic
4430, 430FFerritic
5410, 416, 416SeMartensitic
6431Martensitic
7630 (17-4)Precipitation Hardening
*The selection of an alloy within each group is at the discretion of the manufacturer unless the purchaser requests a specific alloy.

F593 Mechanical Properties / Condition

Alloy Group Condition Marking Diameter Range Tensile, ksi Yield, ksi min Rockwell Hardness
1AFF593A1/4 to 1-1/265 to 8520B85 max
AF593B1/4 to 1-1/275 to 10030B65 to 95
CW1F593C1/4 to 5/8100 to 15065B95 to C32
CW2F593D3/4 to 1-1/285 to 14045B80 to C32
2AFF593E1/4 to 1-1/265 to 8520B85 max
AF593F1/4 to 1-1/275 to 10030B65 to 95
CW1F593G1/4 to 5/8100 to 15065B95 to C32
CW2F593H3/4 to 1-1/285 to 14045B80 to C32

F593 Chemical Requirements

Element, max except as shown Alloy Group 1, Type 304 Alloy Group 2, Type 316
Carbon0.08%0.08%
Manganese2.00%2.00%
Phosphorus0.045%0.045%
Sulfur0.030%0.030%
Silicon1.00%1.00%
Chromium18.0 to 20.0%16.0 to 18.0%
Nickel8.0 to 10.5%10.0 to 14.0%
Copper1.00%
Molybdenum2.00 to 3.00%

F593 Recommended Hardware

Nuts Washers
F594SS304 or SS316

 

 

ASTM Specifications for Bolt Fasteners

A193
 - Alloy steel and stainless steel bolting materials for high temperature or high pressure service.
A307
  •  - Carbon steel bolts and studs, 60,000 psi tensile strength.
A320
  •  - Alloy steel and stainless steel bolting materials for low temperature service.
A325
  •  - Structural bolts, steel, heat treated, 120/105 ksi minimum tensile strength.
A354
  •  - Quenched and tempered alloy bolts, studs, and other externally threaded fasteners.
A449
  •  - Quenched and tempered steel bolts and studs for general use.
A453
  •  - High temperature Bolting with expansion co-efficient comparable to Austenitic Stainless Steel
A490
  •  - Structural bolts, alloy steel, heat treated, 150 ksi minimum tensile strength.
F568
 - Standard for metric bolts, screws and studs that are used in general engineering applications
F593
  •  - Stainless steel bolts, hex cap screws, and studs.
F1554
  •  - Anchor bolts designed to anchor structural supports to concrete foundations.

ASTM Specifications for Nuts

ASTM Specifications for Washers

F436
- Specification for Hardened Steel Washers , carbon steel, steel, washers, weathering steel, Hardened steel washers
F844
  • - Standard Specification for Washers, Steel, Plain (Flat), Unhardened for General Use
F959
  • - Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners

 

Astm F593 Stainless steel Bolts Application Industries

Sunflex Metal Industries are engaged in manufacturing of robust quality of Astm F593 Stainless steel Bolts. These Astm F593 Stainless steel Bolts are widely used in the following industries:

Astm F593 Stainless steel Bolts Mining Industries
Astm F593 Stainless steel Bolts Transport Industries- Rail and Road
Astm F593 Stainless steel Bolts Construction Industries / Building Systems
Astm F593 Stainless steel Bolts Manufacturing Industries
Astm F593 Stainless steel Bolts Agriculture Industries
Astm F593 Stainless steel Bolts Energy Industries
Astm F593 Stainless steel Bolts Water Industries
Astm F593 Stainless steel Bolts Automotive Industries
Astm F593 Stainless steel Bolts Ship Building Industries
Astm F593 Stainless steel Bolts Nuclear Power Plant
Astm F593 Stainless steel Bolts Paper & Pulp Industries
Astm F593 Stainless steel Bolts Sugar Industries
Astm F593 Stainless steel Bolts Engineering Cement Industries
Astm F593 Stainless steel Bolts Petro-Chemical Industries
Astm F593 Stainless steel Bolts Food Industries
Astm F593 Stainless steel Bolts Oil & Gas Industries
Astm F593 Stainless steel Bolts Chemical & Pharmaceutical Industries

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