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304/304L Hot Rolled Stainless Steel Plate

Sample of 304/304L Hot Rolled Stainless Steel Plate

304L Same grade from different country standard

304L 1.4307 1.4306  SUS304L 022Cr19Ni10  00Cr19Ni10  TP304L  S30403

304L Chemical component  ASTM A240:
C:≤0.03,Si:≤0.75,Mn:≤2.0,Cr:18.0~20.0,Ni:8.0~12.0,S:≤0.03,P:≤0.045,N:≤0.1

304L mechanical property ASTM A240:
Tensile strength(Mpa): > 485
Yield Strength (Mpa): 170
Elongation (%): > 40%
Hardness:  < HRB90

304 Same grade from different country standard
304  S30408  06Cr19Ni10  0Cr18Ni9  S30400  SUS304  1.4301

304 Chemical component  ASTM A240 :
C:≤0.08,Si:≤0.75,Mn:≤2.0,Cr:18.0~20.0,Ni:8.0~10.5,S:≤0.03,P:≤0.045,N:≤0.1

304 mechanical property ASTM A240 :
Tensile strength :  > 515 Mpa
Yield Strength :  >205 Mpa
Elongation (%):  > 40%
Hardness:  < HRB92

304L  Stainless steel
304L stainless steel, also known as ultra-low carbon stainless steel, is a versatile stainless steel material that is widely used to make equipment and parts that require good overall properties (corrosion and formability).

Typical Different about 304 and 304L Hot rolled and Cold rolled description

1.The surface of the cold-rolled sheet has a certain degree of gloss. It is smooth to the touch and is similar to the very common steel cup used to drink water.
2.If the hot-rolled sheet is not pickled, it is similar to the surface of many ordinary steel sheets on the market. The surface with rust is red, and the surface without rust is purple-black (iron oxide scale).
3.The performance advantages of cold rolled and hot rolled sheets are:

(1) The precision is higher, and the difference in thickness of cold-rolled strip steel does not exceed 0.01~0.03mm.
(2) The size is thinner, the cold-rolled thinnest can be rolled with a steel strip of 0.001 mm; the hot rolling is now as thin as 0.78 mm.
(3) The surface quality is superior, and the cold-rolled steel plate can even produce a mirror surface; while the surface of the hot-rolled plate has defects such as iron oxide scale and pitting.
(4) Cold-rolled sheets can be adjusted according to user requirements such as tensile strength and process properties such as stamping properties.

Cold rolling and hot rolling are two different rolling technologies. As the name suggests, cold rolling is done in the case of steel at normal temperature. The hardness of this steel is large. Hot rolling is the steel is made at high temperatures, Detailed:

The hot rolled sheet has low hardness, easy processing and good ductility.

The cold rolled sheet has high hardness and is relatively difficult to process, but is not easily deformed and has high strength.

The hot rolled sheet has relatively low strength, the surface quality is almost poor (having low oxidation and smoothness), but the plasticity is good, generally medium and thick plate. Cold rolled sheet: high strength, high hardness, high surface finish, generally thin sheet, can be used for stamping board.

Hot-rolled steel sheets, mechanical properties are far less than cold processing, and secondly forging processing, but have better toughness and ductility.

Cold-rolled steel sheet has a certain degree of work hardening, low toughness, but can achieve a good yield ratio, used for cold-bending spring pieces and other parts, and because the yield point is closer to the tensile strength, there is no danger during use. Predictability, an accident is likely to occur when the load exceeds the allowable load.
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