SAE 8620 / AISI 8620h Gear Alloy Steel Round Bar / Alloy Steel SAE 8620

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Model NO.: SAE 8620H
• Technique: Hot Rolled
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar, Gear Steel
• Alloy: Alloy
• Special Use: Gear Steel
• Grade: SAE / AISI 8620
• Delivery Condition: Hot Rolled
• Transport Package: Standard Sea Worthy
• Specification: 16-300mm
• Origin: China
• Production Capacity: 3000tons/Month

Product Description

SAE 8620 / AISI 8620H Gear Alloy Steel Round Bar / Alloy Steel SAE 8620

AISI 8620 alloy steel is a common, carburizing alloy steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of case/core properties. The following datasheet will provide more details about AISI 8620 alloy steel.

1.SAE 8620H / SAE 8620Steel Equivalent and chemical composition

Standard	Grade	C	Cr	Ni	Mo	Si	Mn	P	S
GB/T 5216	20CrNiMoH	0.17-0.23	0.35-0.65	0.35-0.75	0.15-0.25	0.17-0.37	0.6-0.95	0.035	0.035
JIS G4052	SNCM220H	0.17-0.23	0.35-0.65	0.35-0.75	0.15-0.25	0.15-0.35	0.6-0.95	0.03	0.03
ASTM A304	8620H	0.17-0.23	0.35-0.65	0.35-0.75	0.15-0.25	0.15-0.35	0.65-0.95	0.025	0.025
EN10084	20NiCrMo2	0.17-0.23	0.35-0.7	0.4-0.7	0.15-0.25	0.4	0.65-0.95	0.035	0.035

   
2.Supplied Sizes for SAE 8620H steel round bars

Delivery condition	Diameter ranges
Hot rolled	M12-M310
Hot rolled+Q&T(Quenched and tempered)	M12-M310.
Cold drawn +Q&T(Quenched and tempered)	M10-M100
Peeled / Peeled+Q&T	M10-M100
Forged/Forged+Heat treatment.	M250-M1000

3.SAE 8620 Steel Applications
The AISI 8620 can be used for a number of medium-strength applications such as camshafts,
fasteners, gears, and chains/chain pins.

4.SAE 8620 Steel mechanical property

Properties	Metric	Imperial
Tensile strength	530 MPa	76900 psi
Yield strength	385 MPa	55800 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
Elongation at break (in 50 mm)	31	31
Reduction of area	31	31
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 (annealed and cold drawn, based on 100 machinability for AISI 1212 steel)	65	65

5.Quality control
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8

6.Payment terms: T/T or L/ C

(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.

(2)100% irrevocable L/C at sight

7.MOQ:5tons

8.Delivery time:7-30 days upon to the order details

9.Trade term: FOB CFR CIF EXW ETC.

10.Port of loading:Qingdao , China

11. Mark: including steel material, heat No., pieces, weight, date and so on.


SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620