| MST XTROCUT & FREE-MACHINING STEEL TUBING vs. PLAIN CARBON STEEL TUBING |
| GRADE |
XTROCUT 150 |
XTROCUT 220 |
C1018 |
C1026 |
FREE-MACHINING |
| COMPARABLE AISI GRADE |
1137/1141 |
1119 Mod. |
|
|
1118 |
| DESCRIPTION |
High carbon
resulphurized steel |
Intermediate carbon
resulphurized steel |
Steel grade carried in
Distributor's stock.
Recommended for
general use |
Slightly higher
properties than C1018.
Good for carburizing. |
Intermediate carbon,
resulphurized steel |
MACHINABILITY
SURFACE FEET-PER-MINUTE |
150 |
220 |
130 |
140 |
170 |
| PERCENT RELATIVE SPEED
BASED ON 1112 AS 100% |
90 |
98 |
76 |
85 |
91 |
| CHEMICAL ANALYSIS ( % ) |
0.32/0.45 C
1.35/1.65 Mn
0.04 Max. Phos.
0.08/0.13 Sul. |
0.13/0.18 C
1.30/1.60 Mn
0.04/0.07 Phos.
0.08/0.16 Sul. |
0.13/0.18 C
0.60/0.90 Mn
0.040 Max. Phos.
0.050 Max. Sul. |
0.22/0.28 C
0.60/0.90 Mn
0.040 Max. Phos.
0.050 Max. Sul.
|
0.11/0.18 C
1.30/1.60 Mn
.040 Max. Phos.
0.08/0.13 Sul. |
 |
| TYPICAL MECHANICAL PROPERTIES (STRESS-RELIEVED CONDITION) |
TENSILE
YIELD
ELONGATION
HARDNESS |
110,000 psi
100,000 psi
12.0%
RB 90-105 |
90,000 psi
80,000 psi
12.0%
RB 90-(105) |
85,000 psi
70,000 psi
15.0%
RB 90-100 |
85,000 psi
75,000 psi
15.0%
RB 90-100
|
90,000 psi
80,000 psi
12.0%
RB 90-(105) |
| AVAILABILITY |
MST |
MST |
MST |
MST |
MST |
| SIZES |
OD's to 4.250"
Walls to 0.750" |
OD's to 4.250"
Walls to 0.750"
|
OD's to 5.000"
Walls to 0.875"
|
OD's to 5.000"
Walls to 0.875"
|
OD's to 4.250"
Walls to 0.750"
|