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TECHNICAL SPECIFICATION - BS970 Part 5
OFFICIAL TEST REPORT - issued by TUV - SGS - BV
Carbon, C (％): 0.40 ~ 0.50
Manganese, Mn (％): 0.30 ~ 0.60
Silicon, Si (％): 3.00 ~ 3.75
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.025
Chromium, Cr (%): 7.50 ~ 9.50
Nickel, Ni (%): 0.40 ~ 0.60
Molybdenum, Mo (%): -
MECHANICAL PROPERTY AND HARDNESS
Quenching temperature /℃:1020 ~ 1070, oil or Air cooled
Tempering temperature /℃:-
Tensile strength,σb/≥ MPa: 900
Reduction of area, ф ≥(％): 40.0
Hardness in condition of annealing +A: HB330 max.
MELTING PROCESS & APPLICATION
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, BEF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on.
AVAILABLE FORMS & DIMENSIONS
Round bar: 5.5mm to 550mm
Square bar / Flat bar: 10mm to 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers. E-mail: email@example.com.