Gear Steel And Bearing Steel

AISI /SAE 8720 Steel Bar

AISI /SAE 8720 Steel Bar
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Product Details

AISI/SAE 8720(UNS G87200)steel is a type of low carbon and low alloy structural steel containing chromium, nickel and molybdenum. It provided good carburizing, hardenability, mechanical properties and machining properties appropriate for the annealed condition.

 

Standards: ASTM A29

Size: 6mm-350mm

Type: Round bar

Delivery conditions: Annealed, Cold Finished, Normalized


 The Equivalent Standards:

EN/DIN

UNS

JIS

GB

20NiCrMo2-2

G87200

SNCM220

20CrNiMo

 

Chemical composition

C

Si

Mn

Cr

Ni

Mo

S

P

0.18-0.23

0.15-0.35

0.7-0.9

0.4-0.6

0.40-0.7

0.2-0.3

≤0.04

≤0.035

 

The Mechanical Properties

Tensile     Strength

Yield     Strength 0.2% (MPa)

Elongation   -% in 50 mm (min.)

Hardness,  HB

≥500 MPa

≥330 MPa

25 %

150

 

Applications

This alloy is for primary forming into wrought products of medium-strength parts such as forged camshafts, fasteners and gears.

 

World iron&steel is a professional supplier of alloy steel rods and bars. We manufacture and distribute high quality 8720 steel round bar for gear application in accordance with standards ASTM A29, specified delivery conditions and final customer specifications for industrial and commercial applications. Special sizes of steel bars and delivery issues can be further negotiated and we provide a wide range of solutions for purchasing departments to select alternative grades, contact us today!


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