Delivery Time:20-60 working day

High strength SUS420j1 martensitic Cold Rolled Steel Strip for mold development

SUS420j1 cold rolled stainless steel strip with  thickness:0.3-1.0mm(+-0.01mm)   width:  20-600mm  HV160-400  Surface:2B BA              

Description:

Alloy tool steel 420J1 is a martensitic stainless steel, quenched state, it has a high carbon, high strength, hardness and wear resistance, corrosion resistance is somewhat less for high mechanical performance requirements, corrosion resistancerequires the general some parts.

Applications:

Turbine blades, mold development, tool material, conventional gaskets, friction plate metal stamping industry.

Specifications:

Chemical composition:

C	Si	Cr	Mn	P	S
0.16-0.25;	≤1.00	12.00-14.00	≤1.00	≤0.040	≤0.030

N/mm2	σb (MPa)	σs (MPa)	ψ (%)	Hardness	Density	C(20℃)	Melting point	Resistivity
>=205	>=635	>=205	>=20	<=187HB,<=90HRB,<=200HV	7.93g/cm3	0.502J*(g.c)-1	1398~1420℃	0.73Ώ*mm2*m-1

Temperature℃	20	100	500
Thermal conductivity λ/w(m*℃)-1	12.1	16.3	21.4

Temperature℃	20-200	20-200	20-300	20-400
Coefficient of linear expansionα/(10-6/℃)	16.0	16.8	17.5	18.1

Thinckness:0.3-1.0mm

Width: 20-600mm

Hardness: HV160-400

thickness Tolerance:±0.01mm

width Tolerance:±0.02mm

surface: good arc edge,bright,  no  scraping wire

The commom size:

0.1*160mm  0.1*300mm  0.1*140mm

0.06*200mm  0.06*300mm  0.06*400mm

0.2*20mm,  0.2*30mm  0.2*40mm

0.2*2mm    0.2*3mm  0.2*4mm

other sizes as your requirements to produce.

Density:

Steel Grade	Density(g/cm3)
201,202,301,302,303, 304,304L,305,321	7.93
316,316L,316S,347,309S,310,310S	7.98
405,410,420	7.75
409,430,434	7.7

Stainless steel theoretical weight formula:

Weight (kg) = thickness (mm) × width (mm) x length (mm) × density values

Stainless steel gravity:

Chromium stainless take 7.75 ton / M3

Chrome-nickel stainless steel take 7.93 ton / M3

Iron take 7.87 ton / M3

Competitive Advantage: 

First-class quality, complete specifications, reasonable price, timely delivery and rigorous specified according to customer requirements, suited materials for basic pr