High-Strength 17-4pH 2205 S31803 Alloy Steel Drive Shaft

Product Description

Name:17-4Ph s31803 2205 forging steel long drive shaft
Products reference:
Forged shafts are use in industry, such as forging equipment; power plant equipment; hydraulic equipment; rolling mill equipment; petroleum machinery, etc.
The production process as "EF + (LF) + (VD) + ESR + forging and annealing (or normalizing) + heat treatment (quenching and tempering) + Machining + packaging + delivery. "
Quality control: chemical analysis, optical spectrum instrument, Mechanical properties for tensile strength, yield stress and elongation. Hardness testing, impact testing, coordinate measuring machine (CMM), metallographic analysis, magnetic flaw detector, Ultrasonic flaw detector.

Items	Forging+QT steel shaft with CNC machining
Material	4130, 4140, 4145, 4145H, 4330V, 4340 etc
Max length	9000MM
Application	Marine engine,diesel engine pull rod,connect to oil cylinder transmision function
Melting Process	EF+LF+VD
Production Process	Forging + Heat treatment + Rough Machining + UT Test + Finish Machining + Inspection
Forging ratio	≥3.5
Applicable standard	ASTM,ASME,DIN,JIS,ISO,BS,API,EN
Delivery term	Rough machining(N+T); Finish Machining(Q+T)
Test equipment	Spectrograph, UT device, tensile and compact test machine, outside micrometer, bore dial indicator, hardness test machine
Service	Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer's requirements as the principal thing, and pay attention on the products quality.

Process procedure:
Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace (blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection (UT, mechanical properties,
hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment
Certificates: The main products

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