Hot Rolled/Forged Steel Bar AISI1045/4140/4340/8620/8640 Alloy Steel Round Bar, Alloy Steel Bar 16mncr5/20mncr5/17CrNiMo6/34CrNiMo6/Scm440/42CrMo4

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Speical Steel
• Technique: Hot Rolled
• Shape: Round, Square, Plate
• Surface Treatment: Galvanized
• Model NO.: 8640
• Special Use: High-strength Steel Plate
• Application: Die Steel Bar
• Steel Grade: Prime Steel
• Hardness: Annealed Hbs250 Max
• Length: 200-8000mm or Any
• Certificate: SGS ISO
• Delivery Time: Within 10 Working Days
• OEM: Acceptable
• Dimensions: 20mm-500mm
• Delivery Quatity: Include MOQ
• Transport Package: Wooden Box or Customer′s Request
• Specification: ISO SGC
• Trademark: Taixie
• Origin: Wuxi, China
• HS Code: 7228300000
• Production Capacity: 1000t/Mon

Product Description

Product Description
1. Company Introduction
 
Shandong Luli Steel Co. Ltd, founded in 1993, is a holding company of Luli Group. It is a medium-sized steel manufacturer with 3000 employees, which is combined sintering, Irion-making, steel-smelting and steel rolling.
  
Equipments and Technique: Electric Arc Furnace, Ladle Furnace, Vacuum Degasser
2. Product Information
1).Composition:  

C	Si	Mn	Cr	Mo	P	S
0.38-0.43	0.15-0.35	0.75-1.00	0.8-1.10	0.15-0.25	<0.035	<0.04

2). Equivalent Grades : 

GB	DIN	ASTM	JIS	BS	NF
42CrMo	1.7225	4140	SCM440	708M40	42CD4

3). Diameters:18mm-320mm
      Length:3.5m-9m or as required
4). Smelting Process: 
EAF+LF+VD
Note:EAF=Electric Arc Furnace; LF=Ladle Furnace; VD=Vacuum Degassing;
5). Properties of 4140 alloy steel:  
Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength, repeated impact resistance. 
6). Application of 4140 alloy steel: 
Components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering.