AISI 4340/40CrNiMoA Alloy Round Bar

AISI 4340/40CrNiMoA Alloy Round Bar is mainly used for manufacturing sized important Quenched-and-Tempered parts which request good toughness and high strength.such as top load shaft in heavy-duty machinery.

BEBON as a AISI 4340/40CrNiMoA Alloy Round Bar supplier in china, more information about AISI

4340/40CrNiMoA Alloy Round Bar, please see the following:

Chemical Composition

Annealed Hardness: HBS≤248

Process of Production: EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional)

Standard: DIN 1.6511 / DIN 36CrNiMo4 / GB 40CrNiMoA / AISI/ASTM 4340/ 40XHMA/ UNS G43400/ JIS

SNCM439/ BS 816M40

Demensions

Tempering: Heat to 450°C-660°C cool in still air NB. Tempering within the range 250°C-450°C will result

in temper brittleness and should be avoided

Characteristic
High strength,High tenacity,good hardenability,and high resistance to thermal properties.

AISI 4340/40CrNiMoA Alloy Round Bar Application:
Used for manufacturing sized important Quenched-and-Tempered parts which request good toughness and high strength.such as top load shaft in heavy-duty machinery;
For steam turbine shaft, vane, and heavy-load transmission parts, fastening piece, crankshaft, gears etc. with diameter is biger than 250mm.

Bebon International is a professional AISI 4340/40CrNiMoA Alloy Round Bar exporter and a steel round

bar Stockist in China. We keep more than 1000 tons AISI 4340/40CrNiMoA Alloy Round Bar in stock

every month. If you want to get the AISI 4340/40CrNiMoA Alloy Round Bar price, please do not hesitate

to contact us. Any need in AISI 4340/40CrNiMoA Alloy Round Bar Chemical Composition and Mechanical

Properties, please feel free to contact us by email or calling to us.

• Tel: 0086-371-86151827 86151627
• Fax: 0086-371-86011881
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