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Duplex stainless steel
Duplex steel coil

Duplex steel coil

Duplex stainless steel

Dual phase steel coil is also called coil steel. The steel is rolled by hot pressing and cold pressing. In order to facilitate storage and transportation, it is convenient to carry out various processing (such as processing into steel plate, steel strip, etc.)  

PRODUCT INTRODUCTION

Dual phase steel coil is also called coil steel. The steel is rolled by hot pressing and cold pressing. In order to facilitate storage and transportation, it is convenient to carry out various processing (such as processing into steel plate, steel strip, etc.)

                                   Duplex steel coil

Formed coil is mainly hot-rolled coil and cold-rolled coil. Hot rolled coil is a processed product before billet recrystallization. Cold rolled coil is the subsequent processing of hot rolled coil. The general weight of steel coil is about 15-30t.

Chemical composition of duplex steel coil:

Chemical compositionC
SiMnPSCrNiMoN
Standard£0.03£1.00£2.00£0.04£0.0321.0~24.04.5~6.52.5~3.50.08~0.2 
Commonly0.0250.51.50.0260.00122.55.83.00.16


Properties of dual phase steel coil(JIS G 4305-2005):

DistinguishMechanical propertyRemarks

Ys (Mpa)Ts (Mpa)El (%)Hv2.0t/2B 
Standard≥450≥620≥18≤320
Commonly67087527280


Physical properties of dual phase steel coil:

Density (g/cm)MagneticSpecific heat (J/g.C)Thermal conductivity 100C (w/mThermal expansion rate 20 ~ 100C (10/C)
7.8Have0.4519.013.7


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