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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
