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ThyssenKrupp N-A-XTRA® 550 Structural Steel

Category Metal , Ferrous Metal , Carbon Steel , Low Carbon Steel
Manufacturer ThyssenKrupp
Trade Name N-A-XTRA®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ThyssenKrupp N-A-XTRA® 550 Structural Steel.pdf
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Material Notes:
This Material Specification applies to quenched and tempered heavy plates made of the special structural steel N-A-XTRA® This steel can be supplied in 3 different grades with a minimum yield strength of 550, 620 and 700 MPa. All steel grades can be delivered in two qualities with different toughness properties. 1) Quality for low service temperature with minimum impact energy at - 40 °C (N-A-XTRA® M) in a thickness range from 3 to 100 mm. 2) Special quality for low service temperature with minimum impact energy at - 60 °C (classic N-A-XTRA®) in a thickness range from 3 to 50 mm.Application: The steels are used for welded constructions of all kinds, such as pressure vessels, penstocks, bridges and structures, as well as transport vehicles, mobile cranes, mining equipment, hoistings and earth moving equipment, which are utilized in different types of climatic conditions.If continuous yielding occurs, the yield strength is determined as Rp0,2Information Provided by Thyssen Krupp
Mechanical Properties Metric English Comments
Tensile Strength, Yield >= 410 MPa

@Strain 0.200 %,
Temperature 400 °C
 >= 59500 psi

@Strain 0.200 %,
Temperature 752 °F
>= 425 MPa

@Strain 0.200 %,
Temperature 350 °C
 >= 61600 psi

@Strain 0.200 %,
Temperature 662 °F
>= 440 MPa

@Strain 0.200 %,
Temperature 300 °C
 >= 63800 psi

@Strain 0.200 %,
Temperature 572 °F
>= 455 MPa

@Strain 0.200 %,
Temperature 250 °C
 >= 66000 psi

@Strain 0.200 %,
Temperature 482 °F
>= 475 MPa

@Strain 0.200 %,
Temperature 200 °C
 >= 68900 psi

@Strain 0.200 %,
Temperature 392 °F
>= 510 MPa

@Strain 0.200 %,
Temperature 150 °C
 >= 74000 psi

@Strain 0.200 %,
Temperature 302 °F
>= 530 MPa

@Strain 0.200 %,
Temperature 100 °C
 >= 76900 psi

@Strain 0.200 %,
Temperature 212 °F
Elongation at Break >= 16 %
>= 16 %
Charpy Impact 27.0 J

@Temperature -60.0 °C
 19.9 ft-lb

@Temperature -76.0 °F
 Transverse
30.0 J

@Temperature -40.0 °C
 22.1 ft-lb

@Temperature -40.0 °F
 Transverse
30.0 J

@Temperature -60.0 °C
 22.1 ft-lb

@Temperature -76.0 °F
 Longitudinal
35.0 J

@Temperature -20.0 °C
 25.8 ft-lb

@Temperature -4.00 °F
 Transverse
40.0 J

@Temperature -40.0 °C
 29.5 ft-lb

@Temperature -40.0 °F
 Longitudinal
40.0 J

@Temperature 0.000 °C
 29.5 ft-lb

@Temperature 32.0 °F
 Transverse
50.0 J

@Temperature -20.0 °C
 36.9 ft-lb

@Temperature -4.00 °F
 Longitudinal
60.0 J

@Temperature 0.000 °C
 44.3 ft-lb

@Temperature 32.0 °F
 Longitudinal
Component Elements Properties Metric English Comments
Aluminum, Al <= 1.5 %
<= 1.5 %
Carbon, C <= 0.20 %
<= 0.20 %
Chromium, Cr <= 1.5 %
<= 1.5 %
Manganese, Mn <= 1.6 %
<= 1.6 %
Molybdenum, Mo <= 0.60 %
<= 0.60 %
Phosphorous, P <= 0.020 %
<= 0.020 %
Silicon, Si <= 0.80 %
<= 0.80 %
Sulfur, S <= 0.010 %
<= 0.010 %
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