304L Stainless Steel Round Bar

304L Stainless Steel Round Bar

304L Stainless steel round bars are round steel bars made of 304L materials. Chemical composition C: ≤ 0.03, Si: ≤ 1.0, Mn: ≤ 2.0, Cr: 18.0 ~ 20.0, Ni: 8.0 ~ 12.0, S: ≤ 0.03, P: ≤ 0.035; Mechanical properties Mechanical properties of 304L stainless steel: Yield strength (N/mm2)≥205 Tensile...
Product description

304L Stainless steel round bars are round steel bars made of 304L materials.


Chemical Composition

C ≤ 0.03

Si ≤ 1.0

Mn ≤ 2.0

Cr: 18.0 ~ 20.0

Ni: 8.0 ~ 12.0

S ≤ 0.03

P ≤ 0.035


Mechanical Properties of 304L Stainless Steel

Yield Strength(N/mm2)≥ 205

Tensile Strength ≥ 520

Elongation (%) ≥ 40

Hardness HB ≤ 187 HRB ≤ 90 HV ≤200

Density: 7.93 g·cm-3

Specific Heat c(20℃)0.502 J·(g·C)-1

Thermal Conductivity λ/w (M·℃)-1 (at the following temperature/℃)

20     100      500

12.1   16.3      21.4

Coefficient α/(10-6/℃) (/℃ between the following temperatures)

20~100    20~200    20~300   20~400

16.0       16.8      17.5      18.1

Resistivity 0.73 Ω·mm2·m-1

Melting Point 1398~1420℃


Stainless steel element rods, steel wire, theoretical calculation formula

Diameter x diameter x0.00609=kg/m (applicable to 410 420 420j2 430 431)

For example: ¢50 50x50x0.00609=15.23kg/m

Diameter x diameter x0.00623=kg/m (applicable to 301 303 304 316 316L 321)

For example: ¢50 50x50x0.00623=15.575kg/m

304L is a variant of 304 stainless steel with low carbon content, used for welding occasions. The lower carbon content minimizes the amount of carbide precipitated in the heat-affected zone near the weld, and the precipitation of carbides may lead to intergranular corrosion in some environments (weld erosion).

304L Stainless steel Forging performance is poor, deformation is more difficult.

Because of the existence of processing hardening phenomenon. So that the deformation of the mandrel in the process of drawing can not be too large. And the heat loss is large. Therefore, it is necessary to teach multiple fire times to shape. If the High-temperature insulation stage treatment is not good, will cause coarse grain.

 


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