Alloy Steel 42CrMo4 Ring Flange Open Die Forging For Gas Pipe Industry , EF + LF + VD
Hot rolling ring, steel flange, rolled flange, ring flange, flange forging for oil / gas pipe flange
Quick Detail:
1. Open die forging: Hot rolling ring, steel flange, rolled flange, ring flange, flange forging, oil / gas pipe flange
2. Alloy steel, carbon steel, stainless steel and Hastelloy or as per customer’s requirements
3. Non-standard and common or uncommon sizes diameter flange
Description:
Open die forging: Hot rolling ring, steel flange, rolled flange, ring flange, flange forging can be made of alloy steel, carbon steel, Hastelloy or other kind of material as per the customer’s requirements. It conforms to the standard of ASTM, EN, DIN, GB.
The manufacturing equipment is 30~185MN hydraulic press, the forging ratio >3, the technical condition is in accordance with the standard of ASTM, EN, DIN, GB.
The production flow chart:
Specifications:
|
Description |
Open die forging: Hot rolling ring, steel flange, rolled flange, ring flange, flange forging |
|
material |
Alloy steel (42CrMo4, 35CrMo, 40CrNiMo etc.), carbon steel or stainless steel |
|
Material standard |
ASTM, En or ISO |
|
Dimension |
Max.OD: 7000mm Max. thickness: 1000mm Max. height: 1500mm |
|
Weight |
Max. 50 ton |
|
Smelting Process: |
EF+LF + VD |
|
Process |
Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining →UT →2nd Heat treatment →finishing machining →Inspection |
|
UT standard |
ASTM A388 or EN10228 |
Applications:
The flange is used as connection and sealing in oil & gas pipe industry. The flange quality determines the oil & gas transport safety.
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Competitive Advantage:
1. Good mechanical properties;
2. High tensile strength;
3. Well-closed formation;
4. Comparative price;
5. High-quality production;
