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|Main and minor components||Min.content(%)||ASTM B760|
|Impurities||Max.values (μg/g)||Max.values (μg/g)|
Diameter and tolerances:
Length and straightness:
|Diameter (mm)||Production length (mm)||Stiraightness/Meter (mm)|
|Diameter 0.50-30.0 mm|
|Nominal length (mm)||≥15||15-120||120-400||400-1000||1000-2000||＞2000|
|Diameter ＞30.0 mm|
|Nominal length (mm)||≥30||30-120||120-400||400-1000||1000-2000||＞2000|
Nondestructive testing: For diameters＞15.00 mm:100% ultrasonic testing. For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground surface.
|Diameter(mm)||Hardness (HV 10)|
|Diameter (mm)||Surface condition|
|≥40.0||Turned Ra ≤3.2μm|
|0.50-30||Centerless ground Ra≤1.0μm|
|≥40.0||- Centerless ground Ra≤1.2μm|