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GB / T3077-1999 20CrMnMo Alloy Steel Forgings, Forged Steel Valve For Gas / Oil Industry
Tubing Spool
Specifications:
| Description | Alloy steel forging |
| material | Alloy steel (20CrMnMo, 42CrMo, 18CrNiMo7 -6, and S355+N etc.) |
| Material standard | ASTM or GB/T3077-1999 |
| Specification | Strictly in accordance with customer’s requirements |
| Weight | Max. 250 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 | EN, ASTM DIN etc. |
Description:
The alloy steel forgings are widely used for shipbuilding, gas &oil industry, pressure vessel, wind power and mining and other industries.
The manufacturing equipment is 16~185MN hydraulic press, the forging ratio >4.5, the technical condition is in accordance with the standard of EN, ASTM, DIN and GB etc.
The product can be provided as per your drawing or specified requirements.
Smelting Process:EF+LF + VD
The process as follow :Ingot →heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT→2nd Heat treatment →finishing machining →Inspection
Applications: The alloy steel forgings are widely used for shipbuilding, gas &oil industry, pressure vessel, wind power and mining and other industries.
Competitive Advantage:
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, “in-time” delivery
GB / T3077-1999 20CrMnMo Alloy Steel Forgings, Forged Steel Valve For Gas / Oil Industry
