MATERIAL CATEGORY: DIN EN 10084 (1998), DIN 17210 (1986)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.16 ~ 0.23 Si (％): ≤ 0.40 Mn (％): 0.50 ~ 0.90 P (％)≤: 0.035 S (％)≤: 0.020 ~ 0.040 Cr (％): 0.60 ~ 0.90 Mo (％): 0.25 ~ 0.35 Ni (％): 1.40 ~ 1.70 MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1150～850 Heat treatment temperature /℃| annealing: 650～700 Heat treatment temperature /℃|carburization: 880～980 Heat treatment temperature /℃|quenchingⅠ(center): 830～870 Heat treatment temperature /℃|quenchingⅡ(surface): 780~820, Oil Heat treatment temperature /℃|tempering: 150～200
The steels shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering. TYPICAL APPLICATIONS Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. Power generation – turbine fasteners – boiler support rods Process plant – fasteners Mechanical gears, gear shaft, main axis, valve rods Mechanical parts - connecting rods, bolts and nuts Multidiameter shafts PRODUCT PROFILE AND SUPPLYING FORMS Round bar (Diameter): 0.50mm to 800mm Square bar / Flat bar: 3mm to 800mm Length: random length, fixed length or based on the customer's special requirement. Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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