Products

Contact Person : Mr. Tang Alex
Company Name : Daye Jingcheng Mould Co., Ltd.
Tel : 86-714-6302891
Fax : 86-714-6301963
Address : Hubei,Huangshi,Lingcheng Industrial Park, Lingxiang Town, Daye City
Country/Region : China
Zip : 435000

SAE 4340 Alloy Steel

Product Detailed

SAE 4340 Alloy Steel High strength and tenacity, good hardenability ISO 9001:2008 certificated

1. Equivalent grades : DIN 1.6582 / 34CrNiMo6, EN24

2. Chemical composition:

Grade	C	Si	Mn	Cr	Mo	Ni	P	S
4340	0.38-0.43	0.15-0.35	0.60-0.80	0.70-0.90	0.20-0.30	1.65-2.00	0.03max	0.03max

3. Specification:

Steel Properties		special alloy steel, supplied in quenched and tempered conditions. High strength and tenacity, good hardenability.



Applications		heavily loaded parts for mechanical engineeringand motor construction.

Delivery condition		annealed/quenched and tempered

4. Heat Treatment:

5. Production:

Smelting - electric furnace

Refining - ESR, produce high cleaness steel

ESR

Forging - 8 tons electro-hydraulic hammer

Annealing - soft annealing & spheroidizing

Heat treatment - Quenching + Tempering

Band saw cutting - max. width 1300mm

Peeling - semi-automatic grinding machine

Milling Machine - steel flats

Turning lathe - for the machining of steel round bar