301 Stainless Steel Plate

301 Stainless Steel Plate

301 stainless steel plate 301 stainless steel plate can be high strength after cold processing. 301 stainless steel for railway vehicles, belt conveyor, bolts and nuts, springs, etc. Chemical composition% C: ≤ 0.15, Si: ≤ 1.0, Mn: ≤ 2.0, Cr: 16.0 ~ 18.0, Ni: 6.0-8.0, S: ≤ 0.03, P: ≤ 0.045...
Product description

301 Stainless Steel Plate

301 stainless steel plate can be high strength after cold processing. 

301 stainless steel for railway vehicles, belt conveyor, bolts and nuts, springs, etc.


Chemical Composition(%)

C ≤ 0.15

Si ≤ 1.0

Mn ≤ 2.0

Cr: 16.0 ~ 18.0

Ni: 6.0-8.0

S ≤ 0.03

P ≤ 0.045


Mechanical Properties

Tensile strength Σb (MPa) ≥ 520

Conditional yield strength σ0.2 (MPa) ≥ 205

Elongation rate δ5 (%) ≥ 40

Section shrinkage rate of PSI (%) ≥ 60

Hardness: ≤187HB; ≤90hrb; ≤200hv


Heat Treatment Process

Heat treatment Specification and Metallographic organization:

Specification for heat treatment: solution 1010~1150℃ fast cold.

Metallographic structure: The organization characteristic is the austenite shape.


Delivery Status

Generally in the state of heat treatment delivery, the type of heat treatment in the contract is noted;


What's the difference between 301 and 304?

304 (stainless steel): The most used stainless steel species, because it contains NI is more corrosion-resistant than CR steel, and has low temperature strength, so the mechanical properties are very good, processing hardening is very large, heating treatment is not hardening, non-magnetic, good strength, less flexibility, often using thickness of 0.4t~1.0T. So at present, the notebook is often widely used in the bracket of structural strength, and must be specified in order to meet the needs of design. Generally best to take 3/4h advisable. If you need to draw type, if used in LCD bracket, generally best to take 1/2h advisable. However, in order to save money, now some of the company to use  304 place is generally replaced with  430.


301 (stainless steel): CR (CR) composition is lower than  304, corrosion resistance is poor, but cold processing can be very high tensile and hardness, the use of the vast number of properties, because of good elasticity, so at present in notebook is often widely used in anti-EMI, do elastic contact part, but commonly used thickness in 0.4t~ 0.07T. The application must specify the series, in order to achieve the design requirements (such as elasticity, strength). and must pay attention to 301 material has the metallic crystalline directionality, the higher series person is hard and brittle, if the formation does not pay attention, easily causes the corner and the side wall crack.


Material Properties

301: Suitable for flexible use, high carbon content, high hardness, not easy to elastic fatigue, poor ductility, not easy to draw.

304: Not suitable for flexible use, low carbon content, low hardness (soft).

430: The material is more complex (not pure), and the hardness is not stable.

 

 


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