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SGCC Galvanized Boiler Alloy Steel Sheet Plate Hot Rolled

ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
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SGCC Galvanized Boiler Alloy Steel Sheet Plate Hot Rolled

Brand Name : HDT

Model Number : Boiler Alloy Steel Sheet Plate

Certification : ISO SGS

Place of Origin : China

MOQ : 5T

Price : 800 - 9000 USD / ton

Payment Terms : L/C, T/T, Western Union

Supply Ability : About 10000 ton / month

Delivery Time : 60-75days

Packaging Details : seaworthy packing for exporting

Product Name : Alloy Steel Plate

Standard : AISI,ASTM,BS,DIN,JIS

Technique : Cold Rolled / Hot Rolled

Application : Boiler Plate

Surface treatment : Coated,Galvanized

Width : Customized

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Galvanized Plate Sheet Metal Plain Galvanized Steel Coil Galvanized Coated

Product Description


Product Galvanized steel coil
Grade

SGCC,SGHC,CGCC,DC51D

DX51D DX52D DX53D DX54D

SGH340 SGH400 SGH440 SGH490 SGH540

SGC340 SGC400 SGC440 SGC490 SGC570

Standard ASTM A653,JIS G3321,GB/T2518
Raw material

SPHC,SPCC,SPCD,SPCE,DC01,DC11

S220GD S250GD S280GD S320GD S350GD S400GD S500GD S550GD

Technique Cold rolled and Hot rolled
Spangle Zero spangle,Mini spangle,Regular spangle,Big spangle
Surface treatment chromed,skin pass,oiled,unoiled,slightly oiled,dry
Zinc coating 20-275g/m2
Width 600mm-1250mm, according to customer' s requirement
Thickness 0.12mm-2.0mm
Tolerance (+/-) 0.01mm(thickness)
Coil weight 3-8MT or as you required
Place of Origin Shandong,China(Mainland)
Certification ISO9001:2008,SGS,TUV,MTC,CO
Processing Customer's requirement

Characteristics


4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.

Applications


4140 Alloy Steel/SAE 4140 Steel Price is use to producecomponents with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering .
Chemical Composition

SA387/ASTM A387
Grade 5
Grade 9
Grade 11
Grade 12
Grade 22
C
0.15 max
0.15 max
0.04 – 0.17
0.04 – 0.17
0.04 – 0.15
Mn
0.25 – 0.66
0.25 – 0.66
0.35 – 0.73
0.35 – 0.73
0.25 – 0.66
P
0.035
0.030
0.035
0.035
0.035
S
0.030
0.030
0.035
0.035
0.035
Si
0.55 max
1.05 max
0.44 – 0.86
0.13 – 0.45
0.5 max
Cr
3.9 – 6.1
7.9 – 10.1
0.94 – 1.56
0.74 – 1.21
1.88 – 2.62
Mo
0.40 – 0.7
0.85 1.15
0.40 – 0.7
0.4 – 0.65
0.85 – 1.15
Mechanical Properties

Grade
A 387 Grade 5 &
Grade 9
A 387 Grade 11
A 387 Grade 12
A 387 Grade 22
Class 1
Class 2
Class 1
Class 2
Class 1
Class 2
Class 1
Class 2
Tensile Strength (ksi)
60-85
75-100
60-85
70-90
50-80
65-85
60-85
75-100
Tensile Strength (MPa)
415-585
515-690
415-585
485-620
380-550
450-585
415-585
515-690
Yield Strength (ksi)
30
45
35
45
33
40
30
45
Yield Strength (MPa)
205
310
240
310
230
275
205
310
Elongation in 200mm (%)
19
18
18
19
Elongation in 50mm (%)
18
18
22
22
22
22
18
18
Surface condition

Black surface/ Grinded/ Machined
Hardness

Annealed HBS 217 max

Heat treatment


Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalisingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided.

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