Short Description

Model No.: Nonstandard-SUS304-End-Cover

China Customization Flanges Manufacturer www.steeljrv.com offers Nonstandard SUS304 End Cover.

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Key Specifications / Features

Type: Nonstandard End Cover
Material: SUS304
Standard: Nonstandard
Size: OD175.5mm,thickness10mm

In order to protect bearings, screws or other components at the end of a shaft, steel end covers are required. We assist in custom design, and manufacture non standard end covers according to clients’ drawings.

20210409000640 18494 - Nonstandard SUS304 End Cover

Chemical Composition of Stainless Steel 304

%

304

304L

304H

C

0.0 – 0.07

0.0 – 0.03

0.04 – 0.08

Mn

0.0 – 2.0

0.0 – 2.00

0.0 – 2.0

Si

0.0 – 1.00

0.0 – 1.00

0.0 – 1.0

P

0.0 – 0.05

0.0 – 0.05

0.0 – 0.04

S

0.0 – 0.03

0.0 – 0.02

0.0 – 0.02

Cr

17.50 – 19.50

17.50 – 19.50

17.00 – 19.00

Ni

8.00 – 10.50

8.00 – 10.50

8.00 – 11.00

Fe

Balance

Balance

Balance

N

0.0-0.11

0.0-0.11

0.0 – 0.10

Mechanical Properties of Stainless Steel 304

Mechanical properties for 304 stainless steel alloys – sheet up to 8 mm thick

Grade

304

304L

304H

Tensile Strength (MPa)

540 – 750

520 – 700

Proof Stress (MPa)

230 Min

220 Min

Elongation A50 mm

45 Min %

45 Min %


Mechanical properties for 304 stainless steel alloys – plate from 8 – 75 mm thick

Grade

304

304L

304H

Tensile Strength (MPa)

520 – 720

500 – 700

Proof Stress (MPa)

210 Min

200 Min

Elongation A5

45 Min %

45 Min %


Mechanical properties for 304 stainless steel alloys – bar and section up to 160 mm diameter / thickness

Grade

304

304L

304H

Tensile Strength (MPa)

500 – 700

500 – 700

500 – 700

Proof Stress (MPa)

190

175 Min

185 Min

Elongation A50 mm

45 Min %

45 Min %

40 Min %

Hardness Brinell

215 Max HB

215 Max HB

Physical Properties of Stainless Steel 304

Property

Value

Density

8.00 g/cm3

Melting Point

1450 °C

Modulus of Elasticity

193 GPa

Electrical Resistivity

0.72 x 10-6 Ω.m

Thermal Conductivity

16.2 W/m.K

Thermal Expansion

17.2 x 10-6/K

Corrosion Resistance of Stainless Steel 304

Stainless steel 304 has excellent corrosion resistance in a wide variety of environments and when in contact with different corrosive media. Pitting and crevice corrosion can occur in environments containing chlorides. Stress corrosion cracking can occur at temperatures over 60°C.

Heat Resistance of Stainless Steel 304

Stainless steel 304 has good resistance to oxidation in intermittent service up to 870°C and in continuous service to 925°C. However, continuous use at 425-860°C is not recommended if corrosion resistance in water is required. In this instance 304L is recommended due to its resistance to carbide precipitation.
Where high strength is required at temperatures above 500°C and up to 800°C, grade 304H is recommended. This material will retain aqueous corrosion resistance.

Fabrication of Stainless Steel 304

Fabrication of all stainless steels should be done only with tools dedicated to stainless steel materials. Tooling and work surfaces must be thoroughly cleaned before use. These precautions are necessary to avoid cross contamination of stainless steel by easily corroded metals that may discolour the surface of the fabricated product.

Cold Working of Stainless Steel 304

Stainless steel 304 readily work hardens. Fabrication methods involving cold working may require an intermediate annealing stage to alleviate work hardening and avoid tearing or cracking. At the completion of fabrication a full annealing operation should be employed to reduce internal stresses and optimise corrosion resistance.

Hot Working of Stainless Steel 304

Fabrication methods, like forging, that involve hot working should occur after uniform heating to 1149-1260°C. The fabricated components should then be rapidly cooled to ensure maximum corrosion resistance.
Heat Treatment of Stainless Steel 304
Stainless steel 304 cannot be hardened by heat treatment.
Solution treatment or annealing can be done by rapid cooling after heating to 1010-1120°C.

Machinability

Stainless steel 304 has good machinability. Machining can be enhanced by using the following rules:
Cutting edges must be kept sharp. Dull edges cause excess work hardening.
Cuts should be light but deep enough to prevent work hardening by riding on the surface of the material.
Chip breakers should be employed to assist in ensuring swarf remains clear of the work
Low thermal conductivity of austenitic alloys results in heat concentrating at the cutting edges. This means coolants and lubricants are necessary and must be used in large quantities.

Welding of Stainless Steel 304

Fusion welding performance for Stainless steel 304 is excellent both with and without fillers. Recommended filler rods and electrodes for stainless steel 304 is grade 308 stainless steel. For 304L the recommended filler is 308L. Heavy welded sections may require post-weld annealing. This step is not required for 304L. Grade 321 may be used if post-weld heat treatment is not possible.

Features

A wide range of steel available
Protect the bearings or other critical parts
Easy to install and dismantle
Proper surface treatment, corrosion resistant

Applications

  • Agricultural equipment
  • Automotive parts
  • Engine bearings
  • Medical / dental instruments
  • Measuring instruments
  • Miscellaneous equipment
  • Orthopedic implants
  • Safety equipment
  • Petrochemical industry
  • Fixing and movable equipment
  • Food and beverage machinery
  • Household electric appliances
  • Pumps and general connections
  • Textile equipment

Summary
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Brand Name
Yaang
Name
Nonstandard SUS304 End Cover
USD 1-999
Product Availability
Pre-Order Only

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