Dear sir,

We are chinese steel manufacturer with high quality and competitive price as well as excellent service.

4340 is our main product, so we always have large quantity of 4340 round bars and flat billets in stock to export and can be shipped right away.

Pls leave me a message with your email address to get our update stock list or

send a mail to my email jinkaisteel at 163.com, I will reply you soon.

Best Regards,

Ms Selina Zhang

Chemical Composition & Mechanical Properties of 4340:

C	Si	Mn	S	P	Cr	Ni	Cu	Mo
0.37-0.44	0.17-0.37	0.40-0.80	0.025(max)	0.025(max)	0.60-0.90	1.25-1.65	0.025(max)	0.15-0.25

Equivalent Grades:

USA	Japanese	Gemany	British	France	Chinese
ASTM&AISI&SAE	JIS	EN DIN	EN BS	EN NF	GB
4340 E4340	SNCM439	36CrNiMo4 1.6511	36CrNiMo4 1.6511	36CrNiMo4 1.6511	40CrNiMoA 40CrNi2Mo

Delivery Condition: Hot forged +Rough machined (black surface after Q/T)+ Turned(optional)

Application: Shaft,axles,connecting rods,spindles,machinery parts etc

Packing: Kraft Paper,in bundle ,wood pallet ,wooden case,carton or other customized seaworthy packing . Company Brochure: Production Facilities: Quality Control Equipments: End Products:Packing & Delivery:Certificates: