Corrosion Resistant Steel

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Corrosion resistant steel

The SPA-H grade developed by HXM Steel is widely applied in the container profession, high strength weathering steel Q450NQR1, etc. has been used in the railroad compartment board, with good low temperature impact toughness and corrosion resistance, it can serve in various extreme climates and have an extended lifetime.

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Applied in tobacco industry

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Applied in rail truck

The anti-sulfuric acid steel LGNS1 & 09CrCuSb developed by HXM Steel is widely applied in the tobacco industry and can also be used in the environmental protection industry, steel bushing sleeve chimneys,

and funnel of the thermoelectric power station, preheater, desulfurization equipment, chemical storage tank vessel, air preheater, boiler pressure vessel, and so on.

The seawater corrosion resistant steel produced by HXM Steel can fully satisfy or exceed the physical property requirement of Q345C in GB/T 1591-2008, of which the low-temperature impact property has increased from 34J to 47J under 0℃. In order to increase the seawater corrosion resistance property, Cu, and Cr are added to LG355NH. Meanwhile, the detrimental element S and P has been reduced greatly.

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LG355NH of HXM Steel has been widely used in the 4th-period project of Shanghai Yangshan Harbor.

Of which the anti-sulfuric dew point steel 09CrCuSb and railway weathering steel Q450NQR1 have been awarded metallic industry excellent quality prize, high corrosion resistant steel Q450EWR1 and low yield ratio steel Q345NQR2 has passed CRCC certification.

Supply standard, Grade and Application

Category Steel Grade Dimension mm (thickness *width) Technical specification Application
Acid-resistant steel    (sulfuric acid dew point corrosion resistant steel)
LGNS1
1.2~25.4 × 1000~2000
National   tobacco   office, 418# document in 2009 Technical agreement
Tobacco industry  (flue-cured tobacco box)
Q315NS
1.2~25.4 × 1000~2000
GB/T28907-2012
Steel bushing chimney and funnel of heat-en-vine plant,    preheater, desulphurization equipment, chemical container, air preheater,  boiler and pressure vessel, etc.
Q345NS
09CrCuSb
1.2~25.4*1000~2000
GB 150.2-2011 Technical agreement
Weathering Resistant Steel
S450AW
3.0~ 18.0*1000~2000
Technical Agreement
Railway vehicle (compartment,etc)
Q450EWR1
3.0~ 18.0*1000~2000
TB/T 1979-2014
Q550NQR1
3.0- 16.0*1000-2000
TB/T 1979-2014
Q450NQR1
3.0- 20*1000-2000
TB/T 1979-2014
Q345NQR2
1.5-25.4*1000-2000
TB/T 1979-2014
Railway vehicle (compartment,etc)
09CuPCrNi-A
1 .6~20 × 1000~2000
TB/T 1979-2014
Container flue-cured tobacco
09CuPCrNi
1 .6~14 × 1000~2000
TB/T 1979-2003
Container flue-cured tobacco
SPA-H
1 .2~20 × 1000~2000
JIS G 3125-2010
Container
LGC450 LGC550
1.2-6.0 ×900- 1500
Technique specification
Container
S355J0W
1 .5- 16.0m *1000-2000
EN10025 .5-2004
Railway vehicle (compartment etc)
seawater corrosion-resistant steel
LG355NH
1.6~25*( 1000~2000)
Technical agreement
Marine environment pile pipe

Mechanical Property

Mechanical Property
Steel Grades
Nominal Thickness(mm)
Tensile test transverse
180° b≥35mm    180°
V-notch impact test
Lower yield strength MPa
Tensile strength MPa
Elongation %
180° Bending test b≥35mm Inner diameter
Temperature C
Energy J
LGNS1
1 .2 ~ 25.4
≥300
≥410
≥22
d=2a
-
-
Q315NS
1 .2 ~ 25.4
≥315
≥440
≥22
d=3a
-
-
Q345NS
1 .2 ~ 25.4
≥345
≥470
≥20
d=3a
-
-
09CrCuSb
1 .2 ~ 25.4
≥245
390 ~ 550
≥25
d=3a
-
-
S450AW
≤6
≥450
550 ~ 750
≥20
d=a
>6 ~ 18
≥ 18
d=2a
Q450EWR1
≤6
≥450
550 ~ 750
≥20
d=a
-40
≥60
>6 ~ 18
≥18
d=2a
-40
≥60
Q550NQR1
≤6
≥450
550 ~ 750
≥20
d=a
-40
≥60
>6 ~ 18
≥18
d=2a
-40
≥60
Q450NQR1
3 ~ 6
≥450
≥550
≥22
d=a
-
≥60
>6 ~ 14
≥20
d=2a
-40
≥60
>14 ~ 20
≥19
d=3a
-40
≥60
Q345NQR2
≤6
≥345
≥480
≥24
d=a
-40
≥27
>6
d=2a
-40
≥27
09CuPCrNi
≤6
≥295
≥431
≥24
d=a
-
≥47( ≥ 21 )
>6
d=2a
Normal temperature ( -40)
≥47( ≥ 21 )
SPA-H
≤6
≥355
≥490
≥22
d=0.5a
-
-
>6
≥15
d=1.5a
-
-
LGC450
≤6
≥450
≥500
≥18
d=2a
-
-
LGC550
≤6
≥550
≥600
≥18
d=2a
-
-
S355J0W
>2.0 ~ 3.0
≥355
510 ~ 680
≥ 18(A80)
>3.0 ~ 16.0
470-630
≥22 (proportional gauge length)
0
≥27
LG355NH
3 ~ 25
≥345
≥470
≥22
d=3a
0℃
≥47
Ss Mill, Stainless Plant, Stainless Mill

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