Gear Steel And Bearing Steel

ASTM A29 8620/8620H Steel Bar

ASTM A29 8620/8620H Steel Bar
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Product Details

AISI/SAE 8720(UNS G86200)steel is a type of low carbon and low alloy structural steel containing chromium, nickel and molybdenum. Both 8620 vs 8620H belong to the ASTM A29 standard. They provided good carburizing, hardenability, mechanical properties and machining properties appropriate for the annealed condition. The 8620 steel material could be case hardened, so the hardness could be different after hardening. So the AISI 8620H is the “H” condition of  8620 steel with required hardenability.

 

Standards: ASTM A29

Size: 6mm-350mm

Type: Round bar

Delivery conditions: Annealed, Cold Finished, Normalized

 

MATERIAL

EN/DIN

UNS

JIS

GB

8620

20NiCrMo2-2

G87200

JIS G 4052 SNCM220

20CrNiMo

8620H

21NiCrMo2


JIS G 4052 SNCM 220H

20CrNiMoH

 

Chemical composition

MATERIAL

C

Si

Mn

Cr

Ni

Mo

S

P

8620

0.18-0.23

0.15-0.35

0.7-0.9

0.4-0.6

0.40-0.7

0.15-0.25

≤0.04

≤0.035

8620H

0.18-0.23

0.15-0.35

0.70-0.9

0.40-0.6

0.4-0.7

0.15-0.25

≤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 8620/8620H 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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