Product Details

Product Description

steel round bar

Alloy steel AISI 4340 Forged Round Bar

AISI 4340 Alloy Steel Used for manufacture big sized important Quenched-and-Tempered parts which request good toughness and high strength. Such as top load shaft in heavy-duty machinery and steam turbine shaft, vane, and heavy-load transmission parts, fastening piece, crankshaft, gears etc. With diameter is biger than 250mm.

Chemical composition:

C	Si	Mn	P	S	Cr	Ni	Mo
0.38/0.43	0.15/0.35	0.60/0.80	≤0.035	≤0.040	0.7/0.9	1.65/2.0	0.2/0.3

Equivalent Grades:	SAE	4340	JIS	SNCM439
	Greman W.Stoff No.	1.6582	GB	40CrNiMoA
	BS	816M40	EN	24

ITEM	DESCRIPTION
Product	Steel Round Bar
Standard	GB ASTM, JIS, SUS, DIN, EN etc.
Material	Alloy Steel, AISI4140 Steel Bar /1.7225/42CrMo4/SCM440
Surface processing	You can Galvanized,coated,or as your request.
Diameter	130mm-1000mm(optional)
Length	1m - 12m , or according to your requests.
Product Category	Metallurgy, Mineral & Energy
Technique	Hot rolled (According to customer's requirement of Chemical Composition,Physical Properties and Mechanical Testing )
Usage	Mechanical & Manufacture, Steel strcuture, Shipbuilding, Bridging, Automobile Chassis
Main market	Middle East, Africa, Asia and some Uropean country, America, Australia, etc.
Another Name	Rebar Steel/steel round/rod bar
Payment	30% advance by T/T,Balance pay before the shipment by T/T
Stock	Ready in stocks
Place of origin	Tianjin, China
Delivery Time	30-60 days