Description
We are professional 34CrAlNi7-10 Forged/Forging Steel Round bars(1.8550) factory from china
Chemical Composition
C
Si
Mn
Cr
P
S
Mo
V
0.28-0.35
0.10-0.40
0.15-0.45
2.70-3.20
≤0.03
≤0.03
2.60-3.00
0.40-0.70
The Process As Follow: ingot → heat → forging → heat treatment(normalizing+tempering) → inspection → rough machining → UT → 2nd heat treatment → finishing machining → inspection .
Quality Control: UT,MT,RT,PT,chemical composition test,mechanical property test,etc.
Heat Treatment: Normalize,Quenching,Tempering,Anealled.
Surface Treatment: painting,plating,polishing,black oxide,transparent anti-rust oil.
Inspection: Besides our in-house inspecion, you could also choose a third party inspection.
Standard: ANSI,ASTM,ASME,API,JIS,DIN,BS,EN,KS,UNI,SABS,GOST.
Certificate: 1, Raw material certificate(material chemical compositon)
2, Heat treatment sheet report
3, Dimension inspection report
4, UT test report
Packing: Seaworthy plywood packaged on stell pallets or as customer's request
Delivery Date: Decided by the amount and dimensions of products. Usually we control the large diameter rings' delivery time within 5 weeks after we receive your formal order.
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.
Complaint
