strengthMPa di Tensite

Spec. 5CT di API

J55

≥517

379552

controlli la tabella

K55

≥517

≥655

N80

≥689

552758

L80 (13Cr)

≥655

552655

≤241HB

P110

≥862

758965

C

Si

Manganese

P

S

Cr

Ni

Cu

Mo

V

Als

Spec. 5CT di API

J55K55

(37Mn5)

0.340.39

0.200.35

1.251.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20

≤0.020

N80

(36 Mn2V)

0.340.38

0.200.35

1.451.70

≤0.020

≤0.015

≤0.15

0.110.16

≤0.020

L80 (13Cr)

0.150.22

≤1.00

0.251.00

≤0.020

≤0.010

12.014.0

≤0.20

≤0.20

≤0.020

P110

(30CrMo)

0.260.35

0.170.37

0.400.70

≤0.020

≤0.010

0.801.10

≤0.20

≤0.20

0.150.25

≤0.08

≤0.020