18X2H4MA Stockist, 18X2H4MA Equivalent Datasheet

18X2H4MA
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Description 18X2H4MA Suppliers, Stocklist 18X2H4MA Round bar, Inventory 18X2H4MA properties from Steelmaking, ESR melted, Blooming, Hot forging, 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 - Grade 18X2H4MA

TECHNICAL SPECIFICATION - TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS -  BV
MATERIAL CATEGORY - alloy
structural steel Cr - Ni - Mo type
CHEMICAL COMPOSITION (Mass weight - %)
C (%):     0.14 ~ 0.20
Si (%):     0.17 ~ 0.37
Mn (%):   0.25 ~ 0.55
P (%) ≤:  0.025
S (%) ≤:  0.025
Cr (%):    1.35 ~ 1.65
Ni (%):    4.00 ~ 4.40
Mo (%):   0.30 ~ 0.40
Cu (%):   ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Hot working temperarture: 1150 ~ 850 Deg.
Heat treatment: Quenching 950 Deg. air cooling
                        Tempering 200 oil or air cooling
Tensile strength,σb/≥ MPa: 1128
Yield strength, σ0.2/≥ MPa: 834
Elongation, δ ≥(%): 12.0
Reduction of area, ф ≥ (%): 50.0
Impact strength, Akv (J/cm2): 98
Annealed hardness | HBW: 269
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 DIMENSIONS
Round bar (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 200mm 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 or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.

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