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Steel Grade: S355K2G3| Material No.: 1.0595| Equal Germany DIN: —
 
CHEMICAL COMPOSITION(S355K2G3):
C(％) :      0.2   
Si (％):      0.55   
Mn(％):     1.6    
P(％)≤:      0.035   
S(％)≤:      0.035   
Other(％) :      —       
MECHANICAL PROPERTIES (S355K2G3):     
Yield Strength|σ0.2/Mpa(≤16mm):     345   
Tensile Strength|σb/Mpa(≤3mm):     510～680   
Ballistic Temperature(℃):     -20/-20   
Ballistic|αkv≥(J/cm^2)(10-150mm):     40/40   
Test Sample(L/T) :    L/T    
Extensibility|δ(％)(3-40mm) :     22/20       
Remark(S355K2G3):   
1, U-->Rimmed Steel, N-->Non-Rimmed Steel,；F-->Full Killed Steel.     
2, The ω(P) will be reduced 0.005% per the ω(N) have be increased 0.001％[ω(N)≤0.012％].     
3, When the ω(Al) is more than 0.02％ or there is strong oxide elements is this steel, then the ω(N) is not correct in this table.     
4, L-->Length, T-->Crosswise.     
5, The standard of sample for extensibility testing is L0＝5.65×S0^1/2.     
6, The standard of steel grade and chemical composition is DIN EN 10025(1998)     
   
Introduction structural steel (S355K2G3)   
Structural steel is a steel that conforms to a specific strength and formability grade. The formability is expressed as the elongation at the end of the tensile test. Structural steel is generally used for bearing and other purposes. In these uses, the strength of steel is an important design standard.   
Most steels used throughout Europe are specified to comply with the European standard EN 10025. However, many national standards also remain in force.     
Typical grades are described as 'S275J2' or 'S355K2W'. In these examples, 'S' denotes structural rather than engineering steel; 275 or 355 denotes the yield strength in newtons per square millimetre or the equivalent megapascals; J2 or K2 denotes the materials toughness by reference to Charpy impact test values; and the 'W' denotes weathering steel. Further letters can be used to designate fine grain steel ('N' or 'NL'); quenched and tempered steel ('Q' or 'QL'); and thermomechanically rolled steel ('M' or 'ML').     
Application(S355K2G3)   
Structural steel is a category of steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section. Structural steel shapes, sizes, chemical composition, mechanical properties such as strengths, storage practices, etc., are regulated by standards in most industrialized countries.     
 
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