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420 J2 Stainless steel strip

420J2 Stainless steel strip (3Cr13/1.4028)

 
C<0.35, after annealing the hardness is only HRc52-55, but poor wear resistance。Easy to cut and polish, so usually used for tool. Low carbon gives it high corrosion resistance, so it also be used for diving tool.

 
Chemical composition(420 stainless steel strip)

Element                    C            Mn     Si            Cr                   Ni          S             P
Content %         0.26~0.35       ≤1    ≤1    12.00~14.00        ≤0.60    ≤0.030    ≤0.035

 
Heat treatment

 
Bar and forging:1000~1050℃油淬或空冷,200~300℃回火。sheet:740~780℃退火或高温回火。

Smelting and casting process:Arc furnace、Arc furnace+Electroslag remelting。


Hardness under the heat treatment:

 
Heat treat   HRC    HRB    HB Kgf/mm2
870~900℃    --       81       155~180


Antioxidant properties:At 700 degrees below, it has a stable antioxidant properties.

 

 Application:


3Cr13 steel is mainly used for manufacturing requirements of corrosion-resistant, high-strength, wear-resistant parts and measuring tools, medical equipment, cutting tools (400 series Stainless steel strip ), components such as 300 ℃ below the work of the spring, 400 ℃ below the work of the shaft, bolts, valves, Steel is mainly used for manufacturing requirements of corrosion-resistant, high-strength, wear-resistant parts and gauges, medical equipment, cutting tools, components such as 300 ℃ below the work of the spring, 400 ℃ below the work of the shaft, bolts, valves.

304 stainless steel strip316 stainless steel strip