• Model NO.：1.6523, SAE8620, 20CrNiMo
• Delivery condition：Annealing
• Quality Assurance：100% UT passed
• Delivery Time：7days
• Condition：ready stock
• Transport Package：Standard,Customized
• Specification：standard,customized
• Trademark：customized
• Origin：China
• HS Code：7228300000
• Production Capacity：1000t,Month

Basic Info.

Model NO. 1.6523, SAE8620, 20CrNiMo Delivery condition Annealing Quality Assurance 100% UT passed Delivery Time 7days Condition ready stock Transport Package Standard/Customized Specification standard/customized Trademark customized Origin China HS Code 7228300000 Production Capacity 1000t/Month

Product Description

1.6523/SAE8620/20CrNiMo Special Steel Alloy Steel Round Bar For Gear Wheels

Similar Standards

Chinese	American	German	Japanese
GB	AISI	DIN	JIS
20CrNiMo	SAE8620	1.6523	/

Chemical Composition

Grades	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
20CrNiMo	0.17-0.23	0.17-0.37	0.6-.95	≤0.035	≤0.035	0.4-.7	0.20~0.30	≤0.30	/

Mechanical Properties

Queching Temperature(ºC):850;Cold Media:oil

Tempering(ºC):200;Cold Media:air

Tensile strength σb (MPa):≥980(100)

Yield strengthσs (MPa):≥785(80)

Elongationδ5 (%):≥9

Reduction of area ψ (%):≥40

Akv (J):≥47

Applications
Widely used for stransmission system,motor of tractor and middle-small auto. Alternative 12CrNi3 to make higher class carburization and cyanide carburizing parts such as oil drilling,claws and cone for mining.
It is commonly used for carburized gears, pinions, shafts, bearings, piston rings, ring gears, crankshafts, etc.
Stock Size

round bar

Diameter

12-280mm

Product Introduction
8620 steel bar is a low carbon nickel chromium molybdenum alloy with good carburized properties, formability, and weldability. This grade is a low-cost steel that is the most widely used carburizing alloy. Due to its nickel content, this grade has a high strength case and core toughness. The chromium and molybdenum support carburizing, and give good surface hardness and wear.


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