SEAMLESS CARBON STEEL BOILER TUBES FOR HIGH PRESSURE
 |
Standard: ASTM A192/ASME SA192 Size: OD (10-219mm) x WT (1-40mm) Application: For manufacture wall panel, economizer, reheater, superheater and steam pipeline of boilers. |
Tolerance on dimension:
|
OD |
OD Tolerance |
WT Tolerance |
||
|
+ |
- |
+ |
- |
|
|
D < 1" |
0.1 |
0.1 |
20% |
0 |
|
1"≦ D ≦1 1/2" |
0.15 |
0.15 |
20% |
0 |
|
1 1/2" < D < 2" |
0.2 |
0.2 |
22% |
0 |
|
2"≦ D <2 1/2" |
0.25 |
0.25 |
22% |
0 |
|
2 1/2" ≦ D < 3" |
0.3 |
0.3 |
22% |
0 |
|
3"≦ D ≦4" |
0.38 |
0.38 |
22% |
0 |
|
4"< D ≦7 1/2" |
0.38 |
0.64 |
22% |
0 |
|
7 1/2"< D ≦ 9" |
0.38 |
1.14 |
22% |
0 |
Chemical Composition:
|
Grade |
Chemical Composition (%) |
||||
|
C |
Mn |
Si |
P |
S |
|
|
ASTM A192 |
0.06~0.18 |
0.27~0.63 |
Max 0.25 |
Max 0.035 |
Max 0.035 |
Mechanical Properties:
|
Grade |
Mechanical Properties (Mpa) |
||
|
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation (%) |
|
|
ASTM A192 |
Min 325 |
Min 180 |
Min 35 |