2021-01-18 08:33:49 Origin： Remark：0 Click：
MATERIAL STANDARDS DATASHEET - UNS T51621
Mn (％): 0.20 ~ 0.40
P (％)≤ 0.030
S (％)≤: 0.030
Cr (％): 0.20 ~ 0.30
W (％): -
Hot working tenperature ℃ /Starting: 1135 ~ 1165
Annealing temperature ℃: 870 ~ 900
Hardness after annealing ≤HBW: -
Quenching temperature ℃: -
Hardness value after tempered /HRC: 35 ~ 32
This alloy is generally smelt in electric arc furnace (EAF ) or IFF + VD, LF + Electroslag remelting (ESR). For a purpose of higher quality, it should be smelt via technology of vacuum refining.
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implements,
and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
Air hammer tools
Hot-work die divides into several main types, such as hammer forging, die forging, extrusion and die casting, including hot forging die, press machine forging die, stamping die, hot-extrusion die, metal die-casting mould. Heat distortion mould not only supports huge mechanical stress, but also thermal stress during working repeatedly. Hot-work die steel should have not only high hardness, red hardness, abrasion resistance, toughness, but also have excellent high temperature strength, thermal fatigue stability, thermal conductivity, upper hardenability for guaranteeing the whole cross section with consistent mechanical property.
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 ~ 400mm X W70 ~ 1000mm X L1000 ~ 4000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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