Standard specification for Seamless steel tubes for pressure purposes-Part 2:Non-alloy and alloy steel tubes with specified elevated temperature properties.
Application: It is used for the pipelines of boiler industry.
Available Steel Grade: 195GH,P235GH,P265GH,16Mo3.
Size: OD 6.0-273.0mm, WT 0.5-50mm, Max.Length 13500mm.
Grade and Chemical Compisition
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
En10216-2 |
195GH |
≤0.13 |
≤0.35 |
≤0.70 |
≤0.25 |
≤0.20 |
≤0.30 |
≤0.08 |
|
P235GH |
≤0.16 |
≤0.35 |
≤1.20 |
≤0.25 |
≤0.20 |
≤0.30 |
≤0.08 |
|
|
P265GH |
≤0.20 |
≤0.40 |
≤1.40 |
≤0.25 |
≤0.20 |
≤0.30 |
≤0.08 |
|
|
16Mo3 |
0.12-0.20 |
≤0.35 |
0.40-0.90 |
≤0.25 |
≤0.20 |
≤0.30 |
0.25-0.35 |
Mechanical Property
|
Standard |
Grade |
Tensile Strength(Mpa) |
Yield Point(Mpa) |
Elongation(A%) |
|
|
En10216-2 |
L |
T |
|||
|
195GH |
320-440 |
≥195 |
≥27 |
≥25 |
|
|
P235GH |
360-500 |
≥235 |
≥25 |
≥23 |
|
|
P265GH |
410-570 |
≥265 |
≥23 |
≥21 |
|
|
20MnNb6 |
500-650 |
≥355 |
≥22 |
≥20 |
|
|
16Mo3 |
450-600 |
≥280 |
≥22 |
≥20 |
|