Product Description:
AISI 4340 Alloy Steel Round Bar
Applications:
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.
AISI 4340 Alloy Steel Used for steam turbine shaft, vane, and heavy-load transmission parts, fastening piece, crankshaft, gears etc. With diameter is biger than 250mm.
Description:
1. AISI 4340/GB40CrNiMo/DIN 1.6511 alloy steel round bar
2. Hot rolled or forged condition, annealing, black or milled surface
3. Hardness: ≤220HBS;
4. Hot rolled technology: EAF+LF+VD
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
5. Ultrasonic test standard: SPE1921-GR3, CLASS D/D or E/E
6. Production leadtime: 7~10 days
C 0.37~0.44
Si 0.17-0.37
Mn 0.5~0.8
Mo 0.15~0.25
S ≤0.02
P ≤0.018
Ni 1.25~1.65
Cr 0.6~0.9
Specifications:
Hot rolled condition Steel round bar
¢16~¢205*2000~5800 mm (Dongbei, XiNing, BengGang, ShouGang steel)
Forged condition
¢150~¢600*2500~4000 mm
Competitive Advantage:
High strength, High tenacity
Good hardenability
High resistance to thermal properties.
Competitive price
Fast production leadtime
All the material are inspected with 3 times to meet the highly standards
DongGuan RuiYuan Steel Co., Ltd Specializes in plastic mould steel, hot work mould steel, cold work mould steel alloy steel and carbon structural steel, such as: P20, P20+Ni, 1.2714, 1.2083, 1.2316, h13, o1, d2, d3, d5, 1045, 1050, a3, 52100(en31), 4137, 4140, 4340, 5140, 6150, 8620 and SCM420 for exporting over 20 countries now, such as: Brazil, India, Turkey, Italy, Germany, Korea, Malaysia, Iran and so on.
Our company have introduced large-sized Vertical saw machines, horizontal saw machines, Milling machines, Grinding machines and other advance equipments, we can export our
products by wholesales and retail sales, whole plate or strip is available. All our products
can meet the standards of DIN, AISI, JIS and GB, all the material should be inspected the
ultrasonic, hardness and others strict inspection process before the shipment!
Company Contact:
Contact Name: Mr.jason Liu
Company Name: Dongguan Ruiyuan Steel Co., Ltd
Email:
Tel: +8618819098370
Fax: 86-0769-89026617
Street Address: 2nd Floor, Sihai
Commercial Building, Jinghai Road,
Chanan Town
Dongguan, Guangdong 523850
China
Website:
https://www.plasticmoldsteel.com
Member name: RuiYuanSteelExport
Country:
China
Member Since: 09 May 2013
Total Leads:
52 RuiYuanSteelExport Import Export Business Leads
Business focus: Steel Plate, Special Steel, Mould Steel, Die Steel, Carbon Steel, Alloy Steel, Hot Rolled Steel, Forging Steel, Tool Steel, Steel Round Bar, Plastic Mou
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