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ASME Certificated Boiler Alloy Steel Sheet Plate 2.0mm Galvanized Hot Rolled

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ASME Certificated Boiler Alloy Steel Sheet Plate 2.0mm Galvanized Hot Rolled

Country/Region	china
City & Province	jiangsu

Product Details

ASME Certificated Galvanized Boiler Alloy Steel Sheet Plate Hot Rolled

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.

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
Grade	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