Metallurgic aspect

Tensile Strength
MPa min.
Yeld Strength
MPa
Chemical composition % in weight
N
(max)
C
(max)
H
(max)
Fe
(max)
O
(max)
Al V Pd Ni Mo Residual each
ASTM Grade 1 240 170-310 0.03 0.10 0.015 0.20 0.18 - - - - - 0.10(0.4)
ASTM Grade 2 345 275-450 0.03 0.10 0.015 0.30 0.25 - - - - - 0.10(0.4)
ASTM Grade 3 450 380-550 0.05 0.10 0.015 0.30 0.35 - - - - - 0.10(0.4)
ASTM Grade 4 550 483-655 0.05 0.10 0.015 0.50 0.40 - - - - - 0.10(0.4)
ASTM Grade 5 895 828 min. 0.05 0.08 0.015 0.40 0.20 5.5-6.75 3.5-4.5 - - - 0.10(0.4)
ASTM Grade 7 345 275-450 0.03 0.10 0.015 0.30 0.25 - - 0.12-0.25 - - 0.10(0.4)
ASTM Grade 11 240 170-310 0.03 0.10 0.015 0.20 0.18 - - 0.12-0.25 - - 0.10(0.4)
ASTM Grade 12 483 345 min. 0.03 0.08 0.015 0.50 0.25 - - - 0.6-0.9 0.2-0.4 0.10(0.4)
ASTM Grade 16 345 275-450 0.03 0.08 0.015 0.30 0.25 - - 0.04-0.08 - - 0.10(0.4)
ASTM Grade 17 240 170-310 0.03 0.08 0.015 0.20 0.18 - - - - - 0.10(0.4)

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