1.6949 Stockist, 1.6949 Equivalent Steel

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

Description 1.6949 Stocklist, Ex-stock S154D Suppliers, Inventory S154D Specifications Round bar Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
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 % )    
C (%):    0.30 ~ 0.40
Si (%):    0.15 ~ 0.40
Mn (%):  0.40 ~ 0.70
P (%)≤:  0.020
S (%)≤:  0.015
Cr (%):   1.00 ~ 1.40
Ni (%):   2.50 ~ 3.00
Mo (%):  0.35 ~ 0.65
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 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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