17CrNiMo6/18CrNiMo7-6/DIN 1.6587 Forged alloy steel bar
1, Material:
17CrNiMo6,18CrNiMo7-6,DIN 1.6587,BS817M17
2,Chemical Composition(%):
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C
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Si
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Mn
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Cr
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Mo
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Ni
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17CrNiMo6
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0.15-0.21
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0.40 max
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0.50-0.90
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1.50-1.80
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0.25-0.35
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1.40-1.70
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3,Technique:
EAF+LF+VD,Ingot+Forged
4.Size:
Round bar :160-1200mm
5,Characteristic:
Forging refines the grain structure and improves physical properties of the metal,with proper design,the grain flow can be oriented in the direction of principal stresses encountered in actual use.
6,Applications
Shaft,axles,connecting rods,spindles, etc
7, Delivery condition
Black surface,rough machined,finished machining,Annealing,Q+T depend on customers' requirement
8.Mechanical property and Heating:
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Tensile strength(N/MM2):
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Depend on customer's demand
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Yield strength(N/MM2):
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Elongation(%):
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Reduction of area(%):
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Heating:
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9,Ultrasonic test:
SEP 1921 Class C/c or D/d,ASTM E388
10.Cert:
Mill test certificate or EN10204-3.1 or Third party inspection.Including heating number,
specification,chemical composition,mechanical property,ut test,heat treatment and so on.