AISI8260 / 21NiCrMo2 / DIN1.6523 Forged Steel Shaft For Mechnical OD 80-1200 Mm

AISI8260/21NiCrMo2/DIN1.6523 high-quality hot forged steel shaft for mechnical purpose, OD: 80-1200mm

APPLICATIONS:

AISI 8620 is a common, carburizing alloy steel used for a variety of medium-strength applications including gears, camshafts, fasteners, and chains/chain pins. Flexibility in hardening treatments allow optimization of case/core properties. Typical uses are: Arbors, Bearings, Bushings, Cam Shafts, Differential Pinions, Guide Pins, King Pins, Pistons Pins, Splined Shafts, Ratchets, Sleeves etc..

Related Specifications

Australia AS 1444-1996-8620/8620H

Germany W.Nr 1.6523 DIN 21NiCrMo2

Great Britain BS970: PART 3: 1991 805 M20

BS970: 1955 - EN362

Japan JISG 4052 SNCM 220H

JIS SNCM 21 , JIS SNCM 21 H

U.S.A. SAE 8620 AISI 8620

ASTM A29/A29M 1991 8620

UNS G86200

AMS 6274 , AMS 6274G , AMS 6276 , AMS 6276C , AMS 6277 , AMS 6277A ,

ASTM A322 , ASTM A331 , ASTM A505 , ASTM A513 ,

MIL SPEC MIL-S-16974 ,

SAE J404 , SAE J770 ,

UNS G86200

France: AFNOR 20 NCD 2 , AFNOR 22 NCD 2

Italy: UNI 20 NiCrMo 2

Chemical Composition(%):

Carbon 0.17-0.23

Silicon 0.10-0.40

Manganese 0.60-0.95

Nickel 0.35-0.75

Chromium 0.35-0.75

Molybdenum 0.15-0.25

Phosphorous 0.04 max

Sulphur 0.04 max

Process: EAF+LF+VOD+Forged+Heat Treatment(optional)

Annealed:(Metallurgy) to temper or toughen (something) by heat treatment

Normalized:To remove strains and reduce coarse crystalline structures in (metal), especially by heating and cooling.

Quenched: To cool (hot metal) by thrusting into water or other liquid.

Tempered: Having the requisite degree of hardness or elasticity. Used of glass or a metal.

SIZE RANGE:

Hot Forged: Dia 80 mm -1200mm

SURFACE FINISHES:

Black, grinded, rough turned, turned by machine

Test: Ultrasonic test according to SEP 1921-84

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In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!