SA350 LF2 Q + T Heat Treatment Forged Valve Body With Rough Machining Hardness Less Than 187 HB ASTM ASME Standard
ASTM/ASME Standard A105 chemical composition (%)
C
Si
Mn
S
P
Cu
Ni
Mo
V
Cr
≤0.30
0.15-0.30
0.60-1.35
≤0.040
≤0.035
≤0.40
≤0.40
≤0.12
≤0.03
≤0.30
Heat Treatment
Quenching+Tempering
Mechanical Properties
Tensile Strength
Yield Strength
Elongation
Reduction of area
LF2 Class1 and LF2 Class 2
≥485Mpa
≥250Mpa
≥22%
≥22%
Hardness ≤187HB
Temperature
Min average impact enery
Min impact energy
LF2 Class 1
-46 ℃
20J
16J
LF2 Class 2
-18 ℃
27J
20J
Brief Introduction of Valve Forging: Largest OD:5000mm Largest Weight:15000kgSurface Finish 3.2um Ra Or As Required.Forging Reduction Min:3.1 Or As Required.
Forged tee is widely used in industry. Tees are mainly used to change the direction of pipes or connect pipes of different dia…