1.6949 Stockist, 1.6949 Equivalent Steel

1.6949
2022-01-21 14:51:26   Origin:   Remark:0 Click:

High tensile strength steel 1.6949 Plate, Round bar S154D Specifications Round bar Steelmaking, 100% Ultrasonic flaw detection test.
TECHNICAL SPECIFICATION - Grade 1.6949

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS  BV
MATERIAL CATEGORY - Low alloy structural steel
TYPE OF STEEL - 1.25%Cr - 2.8%Ni - 0.5%Mo Steel Series
MELTING PROCESS - EAF + AOD / + ESR
CHEMICAL COMPOSITION (mass weight - %)    
Carbon, C (%):  0.30 ~ 0.40
Silicon, Si (%):  0.15 ~ 0.40
Manganese, Mn (%):  0.40 ~ 0.70
Phosphorus, P (%)≤:  0.020
Sulfur, S (%)≤:  0.015
Chromium, Cr (%):  1.00 ~ 1.40
Nickel, Ni (%):  2.50 ~ 3.00
Molybdenum, Mo (%):  0.35 ~ 0.65
Vanadium, V (%):  0.08 ~ 0.20
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment + QT
Tensile strength σb≥/MPa: 980 ~ 1350
Yield strength σs≥/MPa: 850
Elongation δ5≥(%): 10.0
Impact strength, AKv ≥/J: -
Hardness under annealed condition HBW: 269 max.
  
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.
PROFILE & DIMENSIONS AVAILABLE
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 300mm X W10 - 1000mm X L1000 - 4000mm
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 our resident team of qualified production engineers, Email: sales@ccsteels.com.

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