aisi/sae 4130 steel grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength up to around 315º c (600º f). it shows good overall combinations of strength, toughness and fatigue strength.
size range(mm):
out diameter:10-324mm
wall thickness:1-30mm
length:14000mm max
astm a519 aisi 4130 seamless tubes chemical composition
grade | astm a519 aisi 4130 | |
min | max | |
c | 0.28 | 0.33 |
mn | 0.40 | 0.60 |
si | 0.15 | 0.35 |
p | – | 0.035 |
s | – | 0.025 |
cr | 0.80 | 1.10 |
mo | 0.15 | 0.25 |
ni | – | 0.50 |
fe | 97.3 | 98.22 |
astm a519 aisi 4130 tubes mechanical properties
grade | astm a519 aisi 4130 | |
metric | imperial | |
tensile strength, ultimate | 560 mpa | 81200 psi |
tensile strength, yield | 460 mpa | 66700 psi |
modulus of elasticity | 190-210 gpa | 27557-30458 ksi |
bulk modulus (typical for steel) | 140 gpa | 20300 ksi |
shear modulus (typical for steel) | 80 gpa | 11600 ksi |
poissons ratio | 0.27-0.30 | 0.27-0.30 |
elongation at break (in 50 mm) | 21.50% | 21.50% |
reduction of area | 59.6 | 59.60% |
hardness, brinell | 217 | 217 |
hardness, knoop (converted from brinell hardness) | 240 | 240 |
hardness, rockwell b (converted from brinell hardness) | 95 | 95 |
hardness, rockwell c (converted from brinell hardness, a value below normal hrc range, for comparison purposes only.) | 17 | 17 |
hardness, vickers (converted from brinell hardness) | 228 | 228 |
machinability (annealed and cold drawn. based on 100% machinability for aisi 1212 steel.) | 70 | 70 |
astm a519 aisi 4130 alloy steel tubes equivalent grades
grade | astm a519 aisi 4130 |
uns | g41300 |
din | 1.7218 |
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