TOCT 4543 Gr.15H2M
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Material standard specification of TOCT 4543 type 15H2M data sheet,TOCT 4543 15H2M Chemical compositions,TOCT 4543 Grade 15H2M Mechanical properties from Steelmaking,15H2M ESRmelted, Blooming, Hot forging, TOCT 4543 Grade 15H2M Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3. Cold working, Peeled or rough turned machining. Material technical specification TOCT 4543 - 1971.
TECHNICAL SPECIFICATION - TOCT 4543 Grade 15H2M
TECHNICAL SPECIFICATION: TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: alloy structural steel Ni - Mo type
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.10 ~ 0.18
Si (％): 0.17 ~ 0.37
Mn (％): 0.40 ~ 0.70
P (％) ≤: 0.035
S (％) ≤: 0.035
Cr (％): ≤ 0.30
Ni (％): 1.50 ~ 1.90
Mo (％): 0.20 ~ 0.30
Cu (%): ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Hot working temperarture: 1200 ~ 850 Deg.
Hot working temperarture: 1200 ~ 850 Deg.
Heat treatment: Quenching 770 ~ 820 Deg. oil cooling
Tempering 180 air cooling
Tensile strength,σb/≥ MPa: 834
Yield strength, σ0.2/≥ MPa: 637
Elongation, δ ≥(％): 11.0
Reduction of area, ф ≥ (％): 50.0
Tensile strength,σb/≥ MPa: 834
Yield strength, σ0.2/≥ MPa: 637
Elongation, δ ≥(％): 11.0
Reduction of area, ф ≥ (％): 50.0
Impact, AK (J/cm2): 78
Annealed hardness | HBW: 197
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
OFFERING FORMS AND SHAPES
Round bar (Diameter): 0.50mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Annealed hardness | HBW: 197
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
OFFERING FORMS AND SHAPES
Round bar (Diameter): 0.50mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email: lh.steel@hotmail.com
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