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A618 Gr.Ⅰ a

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A607 Gr.70 A618 Gr.Ⅰ b
#A618 #Gr.Ⅰ #a

Description

A618 Gr.Ⅰ a Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A618 Gr.Ⅰ a
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel A618 Gr.Ⅰ a
A588 K12044
A588 Gr.K
A606 Type2
A606 Type4
A607 Gr.45
A607 Gr.50
A607 Gr.55
A607 Gr.60
A607 Gr.65
A607 Gr.70

Chemical composition(mass fraction)(wt.%) of the A618 Gr.Ⅰ a

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.15   1 0.15 0.025    
Mo Al Cu Nb Ti V Ce
    ≥0.2        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade A618 Gr.Ⅰ a

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
926 (≥) 755 (≥) 21 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade A618 Gr.Ⅰ a

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
14 - -     0.31 -  
811 644 - 41.3 134   -  
368 - 33 44.2   423 414

Heat Treatment of steel grade A618 Gr.Ⅰ a

Heat treated : 1722°C - 1487°C

Technological Curves of steel grade A618 Gr.Ⅰ a

Cross Reference Table (Equivalent Grade) of A618 Gr.Ⅰ a

Grade Standard Country Application
Q255 A China Engineering and welding
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
7Mn15Cr2A13V2WMo China Alloy tool steel - Without magnetic steel mold
SM2CrNi3MoAl1S China Plastic mould with flat steel
W6Mo5Cr4V2Al China High-speed tool steel
YG6A China Hard alloy tungsten cobalt class
YG8A China Hard alloy tungsten cobalt class
ASTM W1-A ASTM USA Carbon tool steel
A607 Gr.70 A618 Gr.Ⅰ b
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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