1.0460 Welding Neck Flanges C22.8 Weld Neck Flanges P250GH Steel Welding Neck Flanges
Product Specifications
Welding neck flanges manufactured according to international standards:
- EN1092-1 typ 11
- DIN 2631; DIN 2632; DIN 2633; DIN 2634; DIN 2635; DIN 2636; DIN 2637; DIN 2638
- ANSI B16.5
Available Dimensions
- DN 15 - DN 1600
- Pressure PN 6 - PN 250
- Most dimensions in material P245GH/P250GH and A105 available from stock
- Non-stock flanges will be offered as soon as possible
Material Grade Information
| Grade: |
P250GH |
| Number: |
1.0460 |
| Classification: |
Non-alloy quality steel |
| Density: |
7.85 g/cm³ |
| Standard: |
EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties |
Chemical Composition % of Steel P250GH (1.0460): EN 10273-2000
| C |
Si |
Mn |
Ni |
P |
S |
Cr |
V |
Nb |
Ti |
Al |
- |
| 0.18 - 0.23 |
max 0.4 |
0.3 - 0.9 |
max 0.3 |
max 0.025 |
max 0.015 |
max 0.3 |
max 0.02 |
max 0.01 |
max 0.03 |
0.015 - 0.05 |
Cr+Cu+Mo+Ni < 0.7 |
Mechanical Properties of Steel P250GH (1.0460)
| Nominal thickness (mm) |
to 150 |
| Rm - Tensile strength (MPa) (+N) |
410-540 |
| Nominal thickness (mm) |
to 50 |
50 - 100 |
100 - 150 |
| ReH - Minimum yield strength (MPa) (+N) |
250 |
240 |
230 |
| KV - Impact energy (J) longitud. |
+20° 47 |
| Nominal thickness (mm) |
to 150 |
| A - Min. elongation at fracture (%) (+N) |
25 |