Brand:xinhairunda steel
Quantity:100000
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High pressure, sub-critical boiler superheater header and main steam tube steel is widely used. 580 ? still has a high thermal strength and oxidation resistance, higher durable plastic. Production process is relatively simple, good welding performance.Chemical Composition:
C: 0.08~0.15
Si: 0.17~0.37
Mn: 0.40~0.70
S: = 0.035
P: = 0.035
Cr: 0.90~1.20
Ni: = 0.030
Cu: = 0.030
V: 0.15~0.30
Mo: 0.25~0.30
Mechanical Properties:
Tensile strength sb (MPa): = 490 (50)
Yield strength ss (MPa): = 245 (25)
Elongation d5 (%): = 22
Reduction of area ? (%): = 50
Impact energy Akv (J): = 71
Impact toughness akv (J/cm2): = 88 (9)
Hardness: = 179HB sample size:
