API 4145H 341HB 965Mpa Reamer Forged Steel Rolls

Large Press Forged Alloy Steel Stabilizer Forging, Reamer Forging

New Force is experienced in providing quality reamer forgings and stabilizer forgings in different sizes & conditions to several international reputable drilling tools manufacturers. For any forging inquiries, please feel free to contact us.


Specifications:
-Type: Integral straight or spiral blade stabilizer
-Material: AISI 4145H MOD or Non-magnetic steel
-OD: 6'~28'(inch)
-Length: max 9m
-Standard: API SPEC 7-1( or as your requested technical requirement)
-Process: steel must be melted fine grain, aluminum killed. Must be pressed from 35 inch minimum ingot size and must be press forged and not hammer forged.
-Metal Finish: forgings should have a surface finish of at least 125 RMS.
-Delivery condition: Hot forged, Heat treatment(Q+T), Rough machining
Mechanical properties:
-Tensile strength: min 965Mpa
-Yield strength: min 758Mpa
-Impact value: min 54J
-Elongation: min 13%
-Brinell hardness: 285-341HB

Test sections must not be heat treated separately from the product.

Tensile and yield specimens longitudinal; centered 2’’ or mid-radius, minimum, below surface; determined on the basis of one test per ten bodies per heat per heat treat lot.

Impact specimens longitudinal and radially notched; centered 2’’ or mid-radius, minimum, below surface; determined on the basis of one test per ten bodies per heat per heat treat lot.

BHN hardness 2’’ or mid-radius, minimum, below surface; determined on the basis of one test per ten bodies per heat per heat treat lot.
NDE:
All standard steel forgings shall be examined for both surface breaking and totally enclosed internal defects. NDE shall take place after the completion of all heat treatment.
Size