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Mechanical Stainless Steel Plate Sheet Surface Flat High Strength Corrosion Resistance

Categories Stainless Steel Plate
Brand Name: HT
Model Number: No.1 No.2D No.2B BA No.3 No.4 No.6 No.7 Surface stailess steel plate sheet
Certification: ISO9001
Place of Origin: China
MOQ: 1 pcs
Price: Negotiation
Payment Terms: L/C,T/T, Western Union
Supply Ability: 1000 pcs per month
Delivery Time: wooden case, wooden pallet
Packaging Details: wooden case, wooden pallet
Type: Plate, Sheet, Srip Coil
Name: No.1 No.2D No.2B BA No.3 No.4 No.6 No.7 Surface stailess steel plate sheet
Surface: No.1 No.2D No.2B BA No.3 No.4 No.6 No.7
Packing: Steel Frame, Wooden Pallet, Wooden case
Material Grade: Carbon steel, Alloy Steel, Stainless steel, Nickel Alloy
Process: Hot/Cold Rolled
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    Mechanical Stainless Steel Plate Sheet Surface Flat High Strength Corrosion Resistance

    No.1 No.2D No.2B BA No.3 No.4 No.6 No.7 Surface stailess steel plate sheet


    1.Stainless Steel Grade and Chems


    GradeCSiMnPSCrNiMo
    304≤.080≤1.00≤2.00≤.045≤.03018.00-20.008.00-10.50
    304L≤.030≤1.00≤2.00≤.045≤.03018.00-20.008.00-12.00
    316≤.080≤1.00≤2.00≤.045≤.03016.00-18.0010.00-14.002.00-3.00
    316L≤.030≤1.00≤2.00≤.045≤.03016.00-18.0010.00-14.002.00-3.00
    321≤.080≤1.00≤2.00≤.045≤.03017.00-19.009.00-12.00
    409≤.080≤1.00≤1.00≤.040≤.03010.50-11.75≤.500
    409L≤.030≤1.00≤1.00≤.040≤.03010.50-11.750.5
    430≤.120≤1.00≤1.00≤.040≤.03016.00-18.00

    Stainless Steel Grades and Mechanical Requirements

    Mechanical PropertyTensile (MPa )Yield ( Mpa)Elongation(%)Hardness ( HRB)
    304≥515≥205≥40≤ 92
    304L≥482≥170≥40≤ 88
    316≥515≥205≥40≤ 95
    316L≥485≥170≥40≤ 95
    321≥515≥205≥40≤ 95
    409≥380≥205≥20≤ 80
    409L≥350≥185≥22≤ 80
    430≥450≥205≥22≤ 80

    2.What surface finishes are available on stainless steels?

    There are many different types of surface finish on stainless steel. Some of these originate from the mill but many are applied later during processing, for example polished, brushed, blasted, etched and coloured finishes.

    The importance of surface finish in determining the corrosion resistance of the stainless steel surface cannot be overemphasised. A rough surface finish can effectively lower the corrosion resistance to that of a lower grade of stainless steel.

    The European standards for stainless steels have attempted to define the most common surface finishes. However, due to the proprietary nature of many suppliers’ finishes, it is unlikely that complete standardisation is possible. This is a summary of the most common types for each product form

    Common Surface Finishes for Flat Products from EN 10088-2 (for full list see Specifying finishes for stainless steel flat products (sheet and plate)

    Surface Finish CodeDescription
    Mill finishes
    1DHot rolled, heat treated, pickled. The most common hot rolled finish. A non reflective, rough surface. Not normally used for decorative applications
    2BCold rolled, heat treated, pickled, pinch passed. The most common cold rolled mill finish. Dull grey slightly reflective finish. Can be used in this condition or frequently is the starting point for a wide range of polished finishes.
    2DCold rolled, heat treated, pickled.
    2HWork hardened by rolling to give enhanced strength level. Various ranges of tensile or 0.2% proof strength are given in EN 10088-2 up to 1300 MPa and 1100 MPa respectively dependent on grade
    2QCold rolled hardened and tempered. Applies to martensitic steels which respond to this kind of heat treatment.
    2RCold rolled and bright annealed, still commonly known as BA. A bright reflective finish. Can be used in this condition or as the starting point for polishing or other surface treatment processes e.g. colouring
    In the following codes “1” refers to hot rolled being the starting point and “2” as cold rolled
    Special Finishes
    1G or 2GGround. Relatively coarse surface. Unidirectional. Grade of polishing grit or surface roughness can be specified
    1J or 2JBrushed or dull polished. Smoother than 1G/2G. Grade of polishing grit or surface roughness can be specified
    1K or 2KSatin polish. Similar to 1J/2J but with maximum specified Ra value of 0.5 micron. Usually achieved with SiC polishing belts. Alumina belts are strongly discouraged for this finish as this will have detrimental effect on corrosion resistance. Recommended for external architectural and coastal environments where bright polish (1P/2P) is not acceptable.
    1P/2PBright polished. Non-directional, reflective. Can specify maximum surface roughness. The best surface for corrosion resistance.
    2LColoured by chemical process to thicken the passive layer and produce interference colours. A wide range of colours is possible.
    1M/2MPatterned. One surface flat.
    1S/2SSurface coated e.g. with tin = Terne coating
    2WCorrugated. Similar to patterned but both surfaces are affected
    Bead blastingNot in EN 10088-2. Work being undertaken to more accurately define finishes.
    Quality Mechanical Stainless Steel Plate Sheet Surface Flat High Strength Corrosion Resistance for sale
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