|
Chapter 6
Carbon & Alloy Steel - Tubular Products
[ Back ]
[ Home ] [ Up ] [
Table of Contents ] [
Next ]
CHEMICAL COMPOSITION OF ALLOY
STEEL PIPEi
|
ASTM Specification |
Form |
C |
Mn |
Si |
Cr |
Ni |
Mo |
Cu |
|
A 333 Gr 3 |
W, S |
0.19 |
0.31-0.64 |
0.18-0.37 |
|
3.18-3.82 |
|
|
|
Gr 4a |
W, S |
0.12 |
0.50-1.05 |
0.08-0.37 |
0.44-1.01 |
0.47-0.98 |
|
0.40-0.75 |
|
Gr 7 |
W, S |
0.19 |
0.90 |
0.13-0.32 |
|
2.03-2.57 |
|
|
|
Gr 8 |
W, S |
0.13 |
0.90 |
0.13-0.32 |
|
8.40-9.60 |
|
|
|
Gr 9 |
W, S |
0.20 |
0.40-1.06 |
--- |
|
1.60-2.24 |
|
0.75-1.25 |
|
Gr 10b |
W, S |
0.20 |
1.15-1.50 |
0.10-0.35 |
0.15max |
0.25 max |
0.050 |
0.15 max |
| A 714
Gr I |
W, S |
0.22 |
1.25 |
--- |
|
|
|
0.20 min |
|
Gr IIc |
W, S |
0.22 |
0.85-1.25 |
0.30 |
|
|
|
0.20 min |
|
Gr III |
W, S |
0.23 |
1.35 |
0.30 |
|
|
|
0.20 min |
|
Gr IV |
W, S |
0.10 |
0.60 |
--- |
0.80-1.20 |
0.20-0.50 |
|
0.25-0.45 |
|
Gr V |
W, S |
0.16 |
0.40-1.01 |
--- |
|
1.65 min |
|
0.80 min |
|
Gr VI |
W, S |
0.15 |
0.50-1.00 |
--- |
0.30 |
0.40-1.10 |
0.10-0.20 |
0.30-1.00 |
|
Gr VII |
W, S |
0.12 |
0.20-0.50 |
0.25-0.75 |
0.30-1.25 |
0.65 |
|
0.25-0.55 |
|
Gr VIIId |
W, S |
0.19 |
0.80-1.25 |
0.30-0.65 |
0.40-0.65 |
0.40 |
|
0.25-0.40 |
|
API Specification |
Form |
C |
Mn |
Si |
Cr |
Ni |
Mo |
Cu |
| 5CT
Gr C75 type 1 |
W, S |
0.50 |
1.90 |
0.45 |
e |
e |
0.15-0.30 |
e |
|
Gr C75 type 2 |
W, S |
0.43 |
1.50 |
0.45 |
|
|
|
|
|
Gr C75 type 3 |
W, S |
0.38-0.48 |
0.75-1.00 |
--- |
0.80-1.10 |
|
0.15-0.25 |
|
|
Gr L80 type 1 |
W, S |
0.43 |
1.90 |
0.45 |
|
0.25 |
|
0.35 max |
|
Gr N80 |
W, S |
--- |
--- |
--- |
|
|
|
|
|
Gr C95 |
W, S |
0.45f |
1.90 |
0.45 |
|
|
|
|
| 5CT
Gr C75 |
S |
0.15 |
0.30-0.60 |
1.00 |
8.0-10.0 |
0.50 |
0.90-1.10 |
0.25 |
| L80
type 9 Cr |
|
|
|
|
|
|
|
|
| Gr
C75, L80 type 13Cr |
S |
0.15-0.22 |
0.25-1.00 |
1.00 |
12.0-14.0 |
0.50 |
|
0.25 |
| 5CT
Gr C90 type 1 |
S |
0.35 |
1.00 |
--- |
1.20 |
0.99 |
0.75 |
--- |
|
Gr C90 type 2 |
S |
0.50 |
1.90 |
--- |
--- |
0.99 |
--- |
--- |
|
Gr P-108, P-110 |
S |
--- |
--- |
--- |
--- |
--- |
--- |
--- |
|
Gr Q125 type 1 |
W, S |
0.35 |
1.00 |
--- |
1.20 |
0.99 |
0.75 |
--- |
|
Gr Q125 type 2 |
W, S |
0.35 |
1.00 |
--- |
--- |
0.99 |
--- |
--- |
|
Gr Q125 type 3 |
W, S |
0.50 |
1.90 |
--- |
--- |
0.99 |
--- |
--- |
|
Gr Q125 type 4 |
W, S |
0.50 |
1.90 |
--- |
--- |
0.99 |
--- |
--- |
| 5L Gr
X56, X60g |
W |
0.26 |
1.35 |
--- |
--- |
--- |
--- |
--- |
|
Gr X65g |
W |
0.26 |
1.40 |
--- |
--- |
--- |
--- |
--- |
|
Gr X70 |
W |
0.23 |
1.60 |
--- |
--- |
--- |
--- |
--- |
|
Gr X56, X60 |
S |
0.26 |
1.35 |
--- |
--- |
--- |
--- |
--- |
|
Gr X65, X70, X80 |
S |
By agreement between purchaser and vendor. |
|
CSA Specification |
Form |
C |
Mn |
Si |
Cr |
Ni |
Mo |
Cu |
| CAN3-Z245.1 |
S, W |
0.26 |
--- |
0.50 |
--- |
--- |
--- |
--- |
| Gr
172 to 359h |
|
|
|
|
|
|
|
|
| Gr
386 to 550h |
S, W |
0.26 |
--- |
0.50 |
--- |
--- |
--- |
--- |
|
a. Contains 0.04-0.30% Al.
b. Contains 0.66% Al, 0.12% V, 0.05% Nb. c. Contains 0.02% V min.
d. Contains 0.02-0.10% V. e Nickel, |
|
chromium and copper combined shall not exceed 0.50%. f. Carbon
content may be increased to 0.55% if product is oil quenched. |
|
g. Contains 0.005% Nb min., 0.02% V min., or a combination thereof at
the discretion of the manufacturer. h. May contain 0.11% Nb, |
|
0.06% Ti, 0.001% B and 0.020% Ce, maximums. i. Although sulphur
and phosphorus are not listed in this table due to limited space, they |
|
are specified; see appropriate material standard for more details.
S - Seamless; W - Welded. |
|
Single values are maximums, unless otherwise specified. |
[ Go to Top
]
|