|
CHEMICAL REQUIREMENTS ELEMENT |
TENSILE REQUIREMENTS |
Standard |
Designation |
C |
Mn |
Si |
Cr |
Mo |
S (= |
P (= |
Tensile Strength Kgf/mm 3 |
Yield Strength Min kg/mm 3 |
Elongation In 2 In Min %(') |
|
Grade P1 ASTMA335 |
0.10-0.20 |
0.30-0.80 |
0.10-0.50 |
----- |
0.44-0.65 |
0.045 |
0.045 |
)=38.7 |
21.1 |
30 |
Steel For Pipe For Ordinary Use and High Temperature Service |
Grade P2 ASTM A335 |
0.10-0.20 |
0.30-0.61 |
0.10-0.30 |
0.50-0.81 |
0.44-0.65 |
0.045 |
0.045 |
)=38.7 |
21.1 |
30 |
|
Grade P5ASTM A335 |
(=0.15 |
0.30-0.60 |
(=0.50 |
4.00-6.00 |
0.45-0.65 |
0.3 |
0.03 |
)=42.2 |
21.1 |
30 |
|
Grade P7 ASTM A335 |
(=0.15 |
0.30-0.60 |
0.50-1.00 |
6.00-8.00 |
0.44-0.65 |
0.03 |
0.03 |
)=42.2 |
21.1 |
30 |
|
Grade P9 ASTM A335 |
(=0.15 |
0.30-0.60 |
0.25-1.00 |
8.00-10.00 |
0.90-1.10 |
0.03 |
0.03 |
)=42.2 |
21.1 |
30 |
|
Grade P11ASTM A335 |
(=0.15 |
0.30-0.60 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
0.03 |
0.03 |
)=42.2 |
21.1 |
30 |
|
Grade P 12ASTM A335 |
(=0.15 |
0.30-0.61 |
(=0.50 |
0.80-1.25 |
0.44-0.65 |
0.045 |
0.045 |
)=42.2 |
21.1 |
30 |
|
Grade P21 ASTM A335 |
(=0.15 |
0.30-0.60 |
(=0.50 |
2.65-3.35 |
0.890-1.06 |
0.03 |
0.03 |
)=42.2 |
21.1 |
30 |
|
Grade P22 ASTM A335 |
(=0.15 |
0.30-0.60 |
(=0.50 |
1.90-2.60 |
0.87-1.13 |
0.03 |
0.03 |
)=42.2 |
21.1 |
30 |