• Model NO.：1.6523, SAE8620, 20CrNiMo
• Quality Assurance：100% UT passed
• Delivery condition：hot rolled black surface
• Delivery Time：7days
• Condition：stock
• Transport Package：Standard,Customized
• Specification：standard,customized
• Trademark：customized
• Origin：China
• HS Code：7225400000
• Production Capacity：1000t,Month

Basic Info.

Model NO. 1.6523, SAE8620, 20CrNiMo Quality Assurance 100% UT passed Delivery condition hot rolled black surface Delivery Time 7days Condition stock Transport Package Standard/Customized Specification standard/customized Trademark customized Origin China HS Code 7225400000 Production Capacity 1000t/Month

Product Description

AISI 8620/ GB 20CrNiMo Special Alloy Engineering Steel Bar

1. Features

1. Good machinability performance
2. Good Cold strain plasticity 
3. Good weldability
4. High hardenability

2. Similar Standards

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

2. 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	/

3. 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

4. General 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.

5. Stock Size

round bar

Diameter

12-280mm

6. Product Pictures