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UNS S34723 Corrosion Resisting Steel

Description S34723 Stock list, Flat bars Ex-stock, Suppliers S34723 Inventory Wire rod from Steel melting (ESR refined), Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test.
Product parameters
Material Category:: Austenitic Stainless Steel
Material Technical Standards:: AMS 5642K
Place of Origin: P.R. China
Heat Treatment Practice:: Solution annealed 1040 ℃, water or air cooled
Surface Condition:: Rough turned, shot blasted, centre ground
Production Lead Time:: Within 25 days after 40% deposit prepayable
Company ISO Register No:: UQ211218R0
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Description

Applications
These products have been used typically for parts on which the amount of machining warrants the use of a free-machining grade of steel requiring corrosion resistance similar to the 18-8 type steel, and which will be subjected to high temperatures during facrication or in service. This specification is a free-machining, corrosion and heat-resistant steel in the form of bars, wire, forgings, and forging stock.

Melting Route
This 
alloy is generally smelt in Basic Electric Furnace (EAF, AOD). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
 
Shapes And Dimensions
Round bar (Diameter): 5.5 to 550mm
Square bar / Flat bar (Thickness X width): 10mm to 550mm
Wire rod (Diameter): 1.0mm to 13.0mm
Steel strip: THK0.5 ~ 3.0mm, Width 8 ~ 220mm
Length: Fixed length or random length or based on the customer's special requirement.

Chemical Compositions (Mass weight %) 
C (%): ≤ 0.08, Mn (%): ≤ 2.00, Si (%): ≤ 1.00, P (%)≤: 0.011 ~ 0.17, S (%)≤: 0.030
Cr (%):  17.0 ~ 19.0, Ni (%): 9.00 ~ 12.00, Nb (%): 10 X C ~ 1.10
Mo (%): ≤ 0.75, Cu (%): ≤ 0.75, Tan (%): ≤ 0.05, Se (%): 0.15 ~ 0.35
Fe (%): remainder

Mechanical Properteis Under room Temp.
Shapes: bars, wire and forgings
Tensile strength, σb/MPa: 862MPa max.(wire rod)
Yield strength, σ0.2/MPa: -
Elongation, δ(%): -
Reduction of area, ф (%): -
Hardness under annealed condition | HBW:  140 ~ 241 (bars)
Hardness under annealed condition | HBW:  187 Max.(Forgings)

 

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