Product Description

8620 steel has high hardenability without temper brittleness. It is also called DIN 1.6523 and JIS SNCM220 steel. It also has good weldability, little tendency to form cold cracks, and good machinability and cold strain plasticity. It is used to make gears, shafting, bolting, springs, hand tools and etc. 8620 steel round bar sheet plate properties and 8620 steel composition as below.

 

8620 Steel Grade Equivalent Chart

Country	USA	Germany/UK/France	JAPAN	ISO
Standard	ASTM A29/A29M-05	EN 10084-2008	JIS G4053-2008	ISO 683/11:1987
Grades	8620	20NiCrMo2-2 (1.6523)	SNCM220	20NiCrMo2

 

1.6523 Steel Chemical Composition

Stand	C (%)	Si (%)	Mn(%)	P (%)	S (%)	Cr (%)	Mo (%)	Ni (%)
ASTM A29/A29M-05	0.18-0.23	0.15-0.35	0.70-0.90	≤0.035	≤0.040	0.40-0.60	0.15-0.25	0.40-0.70
EN 10084-2008	0.17-0.23	0.40	0.65-0.95	≤0.025	≤0.035	0.35-0.70	0.15-0.25	0.40-0.70
JIS G4053-2008	0.17-0.23	0.15-0.35	0.60-0.90	Max0.030	Max0.030	0.40-0.60	0.15-0.25	0.40-0.70
ISO 683/11:1987	0.17-0.23	0.15-0.40	0.65-0.95	≤0.035	≤0.035	0.30-0.65	0.15-0.25	0.40-0.70

 

1.6523 Steel Physical Properties

Properties	Metric	Imperial
Density	7.85 g/cm³	0.284 lb/in³

 

1.6523 Steel Mechanical Properties

Mechanical Properties	Metric	Imperial
Tensile strength	530 MPa	142140 psi
Yield strength	385 MPa	113860 psi
Elastic modulus	190-210 GPa	27557-30458 ksi
Bulk modulus (typical for steel)	140 GPa	20300 ksi
Shear modulus (typical for steel)	80 GPa	11600 ksi
Poisson’s ratio	0.27-0.30	0.27-0.30
Izod Impact	115 J	84.8 ft.lb
Hardness, Brinell	149	149
Hardness, Knoop (converted from Brinell hardness)	169	169
Hardness, Rockwell B (converted from Brinell hardness)	80	80
Hardness, Vickers (converted from Brinell hardness)	155	155
Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel)	65	65

 

1.6523 Steel Characteristics

1.It is a low alloy nickel, chromium, molybdenum case hardening steel.
2.It has good external and internal strength, so there with high wear-resistant.
3.It is usually used to make many medium-strength tools.

 

8620 Steel Round Bar Plate Sheet Supply Range

Round Bar

Specification: diameter: 16mm – 800mm; length: 2000mm-5000mm
Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned

Sheet/Plate/Slab

Specification: thickness: 16-800mm; width: 205mm-810mm; length: 2000mm-5000mm
Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned

 

We have our own cutting and processing equipment. Specifications can be cut and customized according to your requirements.

We are a professional special steel stockist and supplier with a high-quality stand for many years. As a professional 8620 steel material supplier, please contacts us for any request for it. Songshun Steel always with you.

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