826M31 Stockist, 826M31 Equivalent Steel

826M31
2017-09-22 10:22:24   Origin:   Remark:0 Click:

2.5% Ni-Cr-Mo steel Grade 826M31 Round bar, flat bar, and forgings 826M31 Steelmaking, Electroslag melting, Hot forging / rolling, Heat treatment, Cold machined, 100% UT.
TECHNICAL DATA SHEET - Grade BS 826M31

OFFICIAL TEST CERTIFICATE: issued by TUV - SGSBV
MATERIAL CATEGORY: Aircraft "S" series alloy structural steel
TYPE OF STEEL: 2.5% Ni-Cr-Mo steel
CHEMICAL COMPOSITION (mass weight %)    
Carbon, C (%):   0.27 ~ 0.35
Silicon, Si (%):  0.10 ~ 0.35
Manganese, Mn (%):  0.45 ~ 0.70
Phosphorus, P (%)≤:  0.025
Sulfur, S (%)≤:  0.020
Chromium, Cr (%):  0.45 ~ 0.70
Nickel, Ni (%):  2.30 ~ 2.80
Molybdenum, Mo (%):  0.45 ~ 0.65
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment
Tensile strength, σb≥/MPa: 1080 ~ 1280
Yield strength, σs≥/MPa: 885
Elongation, δ5≥ (%): 7.0
Impact Strength, AKv ≥/J: -
Hardness HBW: 310 ~ 382
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 rod.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shaft, Pressure vessel.
PRODUCT PROFILE / DIMENSIONS
Round bar & Disc (diameter): 5.5 to 650mm
Wire rod (Diameter): 5.5 ~ 15mm
Square bar / Flat bar: 10 to 800mm

Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1000mm X L1000 - 5000mm
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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