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G637.40 Application:The Czech republic Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy G637.40 CSN Czech Republic

Chemical composition % of the ladle analysis of grade G637.40

C(%) Si(%) Mn(%) Cr(%) W(%) Co(%)
1.20-1.60 Max 2.00 Max 0.60 27.0-31.0 3.50-5.00 9.00-11.5
G637.40
Mechanical properties of grade G637.40
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
284 (≥) 912 (≥) 34 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Physical properties of grade G637.40
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
134 (≥) 821 (≥) 21 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
895 637 315
G637.40 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
G4000 CSN Czech Republic
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
G4000a CSN Czech Republic
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
GH1040 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
GH1140 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
GH4033 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
GH4037 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
GH4043 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
GH4049 CSN Czech Republic
Classification and designation for superalloys and high temperature intermetallic materials
S20400 CSN Czech Republic
S20400
XM-31 CSN Czech Republic
Chemical compositions of SAE wrought stainless steels
S21400 CSN Czech Republic
Chemical compositions of SAE wrought stainless steels
A 240 Type XM-29 CSN Czech Republic
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TPXM-29 CSN Czech Republic
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 TPXM-29 CSN Czech Republic
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 XM-29 CSN Czech Republic
Stainless Steel Bars and Shapes
A 312 TPXM-29 CSN Czech Republic
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 314 XM-29 CSN Czech Republic
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 XM-29 CSN Czech Republic
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 412 Type XM-29 CSN Czech Republic
Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip
A 479 XM-29 CSN Czech Republic
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Relevant products

G637.40 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
1.2344(H13/X40CrMoV5-1/Z40CDV5) Stock List Dia.182mm - Dia.510mm Round Bar Tons 120 Forged+Annealed+black Enquiry

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