• Model NO.：1.6523,SAE8620, 20CrNiMo
• Delivery condition：hot rolled black surface
• Quality Assurance：100% UT passed
• 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 Delivery condition hot rolled black surface Quality Assurance 100% UT passed 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

 SAE8620 1.6523 20CrNiMo Special Alloy Structure Round Mold Steel

1. Stock Size

round bar

Diameter

12-280mm

2. Similar Standards

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

3. 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	/

4. 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

 
5. 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.

6. Product photos

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