13CrMo4-5 1.7335 Weld neck Flange EN 1092-1 type 11 Flanges
We are a professional manufacturer of 13CrMo4-5 1.7335 Weld neck Flange EN 1092-1 type 11 Flanges in China.
About 13CrMo4-5
13CrMo4-5 is a forged steel chromium-molybdenum alloy steel grade under EN 10222-2.
The name indicates approximately 13% chromium (13), with “Cr” for chromium, “Mo” for molybdenum, and “4-5” representing 0.4-0.5% molybdenum content.
EN 10222-2 Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties
| According EN 10222-2 chemical composition: 0.1 < C < 0.17; 0.4 < Mn < 0.7; |
| C | Si | Mn | P | S | Cr | Mo | N | Cu |
| 0.08 – 0.18 | max 0.35 | 0.4 – 1 | max 0.025 | max 0.01 | 0.7 – 1.15 | 0.4 – 0.6 | max 0.012 | max 0.3 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 450 – 600 MPa |
| Yield Strength (Min) | 280 MPa (≤16mm thickness) |
| Elongation | 19% (longitudinal), 15% (transverse) |
| Impact Test | -20°C (KV = 27J min) |
| EU EN |
USA – |
Germany DIN,WNr |
Japan JIS |
France AFNOR |
England BS |
Italy UNI |
Spain UNE |
China GB |
Sweden SS |
Poland PN |
Czechia CSN |
Austria ONORM |
Russia GOST |
Inter ISO |
|||||||||||||||||||||||
| 13CrMo4-5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Types of EN 1092-1 Flanges Available in 13CrMo4-5
| Flange Type | EN 1092-1 Type | Description |
|---|---|---|
| Weld Neck (WN) Flange | Type 11 | For high-pressure, high-temperature applications |
| Blind (BL) Flange | Type 05 | Seals pipe ends, used in pressure vessels |
| Slip-On (SO) Flange | Type 01 | Easy to install, used in low-pressure applications |
| Socket Weld (SW) Flange | Type 12 | For small-diameter high-pressure pipes |
| Threaded (TH) Flange | Type 13 | Used for screwed pipe connections |
| Lap Joint (LJ) Flange | Type 02 | Used with stub ends, allowing for rotation |
Applications of 13CrMo4-5 flanges
- Power Generation: Steam piping, turbines, and heat exchangers
- Oil & Gas Industry: High-pressure piping in refineries
- Chemical Industry: Process piping for corrosive and high-temperature environments
- Boiler & Pressure Vessel Manufacturing
13CrMo4-5 is a low-alloy steel commonly used for high-temperature and high-pressure applications, such as steam piping, boilers, and pressure vessels. Flanges made from this material under EN 1092-1 conform to European standards for industrial piping systems.
