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SA709Grade50

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ASME SA709 Grade 50 weather resistant steel plate is a kind of low alloy structural steel used in the construction of ordinary structural Bridges.. In order to obtain better weather resistance, ASME SA709 Grade 50 weather resistant steel plate is generally used for external use.

ASME SA709/SA709M Grade 36 Steel Coil

C max Si max Mn P max S max Cu min
0.25 0.40 - 0.04 0.05 0.20
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
250 400 20 23
ASME SA709/SA709M Grade 50 Steel Coil
C max Si max Mn max P max S max Cu
0.23 0.40 1.35 0.04 0.05 1
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
345 450 18 21
ASME SA709/SA709M Grade 50S Steel Coil
C max Si max Mn P max S max V max Nb Cu max Ni max Cr max Mo max -
0.23 0.40 0.50-1.60 0.04-35 0.045 0.15 0.05 0.60 0.45 0.35 0.15 -
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
345 450 18 21
ASME SA709/SA709M Grade 50W Steel Coil
C max Si max Mn P max S max V max Nb Cu max Ni max Cr max Mo max Ai min
- - - 0.035 0.035 - - - - - - 0.020
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
345 485 18 21
ASME SA709/SA709M Grade HPS50W Steel Coil
C max Si Mn P max S max V max Nb Cu Ni Cr Mo Ai
0.11 0.30-0.50 1.10-1.35 0.020 0.006 0.04-0.08 - 0.25-0.40 0.25-0.40 0.45-0.70 0.02-0.08 0.010-0.040
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
345 485 18 21
ASME SA709/SA709M Grade HPS70W Steel Coil
C max Si Mn P max S max V max Nb Cu Ni Cr Mo Ai
0.11 0.30-0.50 1.10-1.35 0.020 0.006 0.04-0.08 - 0.25-0.40 0.25-0.40 0.45-0.70 0.02-0.08 0.010-0.040
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
485 585-760 - 19
ASME SA709/SA709M Grade 100 Steel Coil
C Mn Si P S
0.26 0.4-0.9 0.4 0.04 0.05
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test Temperature
400-650 250 20 +20,0,-20
ASME SA709/SA709M Grade 100W Steel Coil
C Mn P S Si Cu
≤0.08 0.95-1.50 ≤0.015 ≤0.006 0.15-0.50 0.90-1.20
Ni Cr Mo V Al N Nb
0.65-0.90 0.4-0.65 0.4-0.65 0.04-0.08 0.02-0.05 ≤0.015 0.01-0.03
Thickness Yield Strength Tensile Strength Elongation Charpy V Impact Test
Degree Energy 1 Energy 2
mm Min Mpa  Mpa Min  % - J J
5＜t≤300 690 760-895 18    
ASME SA709/SA709M Grade HPS100W Steel Coil
C max Si Mn P max S max V max Nb Cu Ni Cr Mo Ai
0.08 0.15-0.35 0.95-1.50 0.015 0.006 0.04-0.08 0.01-0.03 0.90-1.20 0.65-0.90 0.40-0.65 0.40-0.65 0.020-0.050
Yield Strength (MPa) min. Tensile Strength (MPa) min. Elongation in 8 in. min. % Elongation in 2 in. min. %
485 585-760 - 19
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