18X2H4MA Stockist, 18X2H4MA Equivalent Steel

18X2H4MA
2024-10-26 11:36:00   Origin:   Remark:0 Click:

4.2% Nickel - 1.5 Chromium High tensile steel 18X2H4MA Round bar, flat bar, plate 18X2H4MA Stock Available ESR melted, Heat treatment
 
TECHNICAL DATA SHEET - 18X2H4MA

TECHNICAL SPECIFICATION - TOCT 4543 - 1971
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS -  BV
MATERIAL CATEGORY - alloy structural
steel Cr - Ni - Mo type
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (%): 0.14 ~ 0.20
Silicon, Si (%): 0.17 ~ 0.37
Manganese, Mn (%): 0.25 ~ 0.55
Phosphorus, P (%) ≤: 0.025
Sulfur, S (%) ≤: 0.025
Chromium, Cr (%): 1.35 ~ 1.65
Nickel, Ni (%): 4.00 ~ 4.40
Molybdenum, Mo (%): 0.30 ~ 0.40
Copper, 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, Rm ≥ MPa: 1128
Yield strength, Rp0.2 ≥ MPa: 834
Elongation, A5 ≥ (%): 12.0
Reduction of area, Z ≥ (%): 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.
PRODUCT FORMS AND DIMENSIONS
Round bar / rod / disc (diameter): 5.5mm to 800mm
Square bar / Flat bar: 8mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 200mm X Coil
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.

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