EN33 / EN 33
2020-11-12 10:39:05 Origin： Remark：0 Click：
TECHNICAL SPECIFICATION - BS970 Part 4
STOCK LIST & INVENTORY ON HAND - Round bar Dia.20 ~ 135mm
Carbon, C (％): 0.10 ~ 0.15
Manganese, Mn (％): 0.30 ~ 0.60
Silicon, Si (％): 0.10 ~ 0.35
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.015
Chromium, Cr (%): 0.20 ~ 0.50
Nickel, Ni (%): 2.75 ~ 3.50
Molybdenum, Mo (%): -
MECHANICAL PROPERTY AND HARDNESS
Quenching temperature /℃: 860
Tempering temperature /℃:200
Tensile strength,σb/≥ MPa: 785
Elongation, δ ≥(％): 12.0
Reduction of area, ф ≥(％): 50
Hardness in condition of normalizing +N: HB207 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.
FORMS & DIMENSIONS
Round bar (diameter) : 5.5mm to 450mm
Square bar / Flat bar (width * thickness) : 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.
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