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AISI 4147

Item No.: SAE/ASTM,J1249,J403,J1268,J1868,A29,A29M
INQUIRY
Description
Chemical Composition (Weight %)
C (%) 0.45 ~ 0.50
Si(%) 0.15 ~ 0.35
Mn(%) 0.75 ~ 1.00
P(%) ≤ 0.035
S (%) ≤ 0.040
Cr (%) 0.80 ~ 1.10
Ni (%) -
Mo(%) 0.15 ~ 0.25
Other (%) -
Mechanical Properties
Condition of heat treatment -
Tensile Rm (MPa) 880
Yield Rp0.2 (MPa) 690
Elongation A (%) 12
Reduction in cross section on fracture Z (%) 50
Impact AKV/AKU (J) -
Brinell Hardness (HBW) -
The alloy is usually produced by BEF & AOD followed by electroslag remelting (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
Bars are usually supplied black/bright in the annealed condition.
Forms and Shapes:
Round bar (Diameter): 5.50 ~ 650mm
Square bar / Flat bar: 3 ~ 650mm
Wire rod (Diameter): 0.10 ~ 16mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forging piece: Different shapes based on OEM

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