
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
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
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!