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Stainless Steel 304 / 304L Nut Bolt Washer M6 - M100 Size Cold Galvanizing

Zhengzhou Huitong Pipeline Equipment Co.,Ltd.

Stainless Steel 304 / 304L Nut Bolt Washer M6 - M100 Size Cold Galvanizing

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Brand Name : HT

Model Number : Stainless Steel 304/304L Duplex Stainless Steel Fasteners bolt nut washer

Certification : ISO9001

Place of Origin : China

MOQ : 1 pcs

Price : USD 1000/piece

Payment Terms : L/C,T/T, Western Union

Supply Ability : 1000 pcs per month

Delivery Time : 30-35 working days

Packaging Details : wooden case, wooden pallet

Product Type : bolt nut washer

Name : Stainless Steel 304/304L Duplex Stainless Steel Fasteners bolt nut washer

Size : M6-M100

Finish : Cold galvanizing, Hot-dip Galvanizing, PTFE, Zinc Nickel, Black coating, Plain

Standard : DIN931 DIN933 DIN912 DIN934 DIN125 DIN127

Material : Nickel alloy/stainless steel/duplex stainless

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Stainless Steel 304/304L Duplex Stainless Steel Fasteners bolt nut washer

1.304 Stainless Steel and 304L Stainless

304 / 304L stainless steel, also known as 18/8 stainless and often referred to as 302, is the most common stainless steel. 304 stainless steel contains a higher chromium and lower carbon content than other variations of type 302. It can be used in an "as welded" condition, while 302 must be annealed. AISI 304 is used in a variety of household and industrial applications. 304L is an even lower carbon version of 304 stainless steel and can be used in more corrosive environments such as salt water and chemical containers.

Both 304 and 304L can be used in the welded condition as opposed to the annealed condition and still maintain resistance to corrosion and lend themselves to many types of fabrication. These grades resist corrosion and are often used in the food industry.

2. Alloy 304L General Properties

Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Type 304L has a carbon maximum is 0.030. It is the standard “18/8 stainless” that is commonly found in pans and cooking tools. Alloys 304L is the most versatile and widely used alloy in the stainless steel family. Ideal for a wide variety of home and commercial applications, Alloys 304L exhibits excellent corrosion resistance and has a high ease of fabrication, outstanding formability. The austenitic stainless steels are also considered to be the most weldable of the high-alloy steels and can be welded by all fusion and resistance welding processes.

Specifications: UNS S30403


Alloy 304L Stainless Steel is used in a wide variety of home and commercial applications, including:

  • Food processing equipment, particularly in beer brewing, milk processing, and wine making
  • Kitchen benches, sinks, troughs, equipment, and appliances
  • Architectural trim and molding
  • Automotive and aerospace structural use
  • Construction material in large buildings
  • Chemical containers, including for transport
  • Heat exchangers
  • Nuts, bolts, screws, and other fasteners in the marine environment
  • Dyeing industry
  • Woven or welded screens for mining, quarrying & water filtration


  • ASTM/ASME: S30403
  • EURONORM: 1.4303
  • AFNOR: Z2 CN 18.10
  • DIN: X2 CrNi 19 11

3.304 / 304L Physical Properties

  • Density: 0.29 lb/in³ (8.03 g/cm³)
  • Modulus of Elasticity in Tension 29 x 106 psi (200 GPa)

Linear Coefficient of Thermal Expansion

Temperature RangeMean Coefficient of Thermal Expansion
°C°Fmm/mm/°Cin/in/°F · 10⁶
20 - 10068 - 21216.6 · 10-69.2 · 10-6
20 - 87068 - 160019.8 · 10-611 · 10-6

Thermal Conductivity

Temperature RangeW/m · KBtu/(hr/ft²/in/°F)

Specific Heat

°C°FJ/kg °KBtu/lb/°F

Magnetic Permeability

  • H/m Annealed
  • 1.02 Max @ 200 H

Electrical Resistivity


Mechanical Properties and Yield Strength of 304 / 304L

0.2% Offset Yield Strength, psi (MPa)30,000 (205)25,000 (170)25,000 (170)
Ultimate Tensile Strength, psi (MPa)75,000 (515)70,000 (485)70,000 (485)
Percent Elongation in 2 in. (51 mm)
Hardness, Max., Brinell (RB)201 (92)201 (92)183 (88)

304 stainless steel decimal chart

Additional information about 304L

The most common Austenitic grade is Type 304/304L. All other grades are developed from the 18-8 base by adding alloying elements to provide special corrosion-resistance, improved properties or better weldability. Type 304/304L makes up over 60% of all the stainless steel made in world today.

The wide usage of 304/304L stainless steel in food and beverage and pharmaceutical applications reflects the corrosion resistance qualities of these materials. These industries demand that materials do not release significant quantities of contaminants into the product. They must also be easily cleaned. For example, liquid blending and storage tanks are readily cleaned, providing proper hygiene in food prep as well as food and beverage handling. Commercial dishwashing detergents eliminate 97% of microorganisms adhering to stainless steel surfaces. Flavor and color are kept intact, with no impact from contact with the tank material.

Another innovative use of 304/304L can be found in architectural planning. Sustainable engineering provides for a building's longevity and safety. Design guidance for stainless steel structures incorporates the ability to hold up against the most severe natural disasters and even considers the resilience to withstand what we consider normal weather impact over time. One example of sustainable engineering can be found in the National Archives of Canada in Gatineau, Quebec. This impressive structure was designed to withstand flooding and seismic events. The characteristics of nickel-containing Type 304L used in the structure provide safe-keeping for the country's most precious historical documents.

Product Tags:

double ended stud


duplex steel fasteners

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