​1. 15NiCuMoNb5-6-4 Introduction:
 
15NicumonB 5-6-4 steel plate[SCALE STEEL] belongs to European pressure vessel steel plate
 
2, 15NiCuMoNb5-6-4 Implementation standard :EN10028
 
3. Delivery status of [SCALE STEEL]15NiCuMoNb5-6-4 steel plate
 
15NiCuMoNb5-6-4 steel normalizing (N) tempering (T) tempering (QT).
 
4. Application:
 
15NiCuMoNb5-6-4 Used in the manufacture of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks,[SCALE STEEL] liquefied gas tanks, nuclear reactor pressure shells, liquefied petroleum gas cylinders, water turbine volute and so on.
 
5. Chemical Composition:
Minimum- Maximum
Al 0.015% ~
 
C 0% 0.17%
 
Cr 0% 0.30%
 
Cu 0.5% 0.8%
 
Mn 0.8% 1.2%
 
Mo 0.25% 0.5%
 
N 0% 0.02%[SCALE STEEL]
 
Nb 0.015% 0.045%
 
Ni 1% 1.3%
 
P 0% 0.03%
 
S 0% 0.025%
 
Si 0.25% 0.5%

Chromium zirconium bronze one, has good electrical conductivity, thermal conductivity, high hardness, wear resistance and explosion resistance, crack resistance and high softening temperature, welding electrode loss is less, welding [SCALE STEEL]speed is fast, the total welding cost is low, suitable for welding welding machine electrode related pipe fittings, but the electroplating workpiece performance is general.
 
Chromium-zirconium copper is a kind of wear-resistant copper, especially good hardness, excellent conductivity and good tempering resistance, good upright, thin sheet is not easy to bend, is a good material processing electrode. Density 8.95g/cm3 conductivity 43MS/m softening temperature 550℃, generally used for making working [SCALE STEEL]temperature below 350℃ welding machine electrode. Motor rectifiers and other kinds of high temperature operation \ require high strength. Hardness. Electrical conductivity and conductive parts, and may also be used in bimetallic form for brake discs and discs.
 
Its main brands are; CuCrlZr, ASTM C18150 C18200 c18500
 
Application: This product is widely used in automobile, motorcycle, barrel (tank) and other machinery manufacturing industry welding, conductive [SCALE STEEL]nozzle, switch contact, mold block, welding machine auxiliary devices for various materials.
 
Chemical Composition:
 
Al: 0.1-0.25,
Mg: 0.1-0.25,
Cr: 0.65,
Zr:0.65,
Fe:0.05,
Si: 0.05,
P: 0.01,
Total Impurities: 0.2
 
Physical Indicators:[SCALE STEEL]
 
Hardness: >75HRB,
Conductivity: >75%IACS,
Softening temperature: 550℃
The tensile strength is (δb/MPa) : 540-640
 
Quality requirements:
1. Eddy current conductance meter is used for conductivity [SCALE STEEL]measurement, and the average value of three points is ≥44MS/M
2. The hardness is based on Rockwell hardness standard, and the average value of three points is ≥78HRB
3. Softening temperature experiment: after the furnace temperature is kept at 550℃ for two hours, the hardness of quenched water[SCALE STEEL] can not be reduced by more than 15% compared with the original hardness after cooling