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{"title":"Cold \/ Hot Rolled ASME Standard Boiler Alloy Steel Sheet Plate","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/09\/b65dc86985f100d4cd1e733e0a37-200x200-1\/cold_2f_hot_rolled_asme_standard_boiler_alloy_steel_sheet_plate.jpg","attrs":{"Brand Name":"HDT","Model Number":"Boiler Alloy Steel Sheet Plate","Certification":"ISO SGS","Place of Origin":"China"}}
{"title":"ASTM A 204 Grade B C Boiler Alloy Steel Sheet Plate In Petroleum Chemical","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/2c\/5b85a1c205d8ef127953ddb46a0a-200x200-1\/astm_a_204_grade_b_c_boiler_alloy_steel_sheet_plate_in_petroleum_chemical_industry.jpg","attrs":{"Brand Name":"HDT","Place of Origin":"China","Minimum Order Quantity":"5T","Packaging Details":"seaworthy packing for exporting"}}
{"title":"Power Plant Boiler Alloy Steel Sheet Plate High Strength Steel Plate Q345B Q345C","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/60\/7a1211b9565ee03ef49adbf26b5f-200x200-1\/power_plant_boiler_alloy_steel_sheet_plate_high_strength_steel_plate_q345b_q345c.jpg","attrs":{"Brand Name":"HDT","Place of Origin":"China","Minimum Order Quantity":"5T","Delivery Time":"60-75days"}}
{"title":"Hot Rolled Boiler Alloy Steel Sheet Plate 16mn Q345b Manganese Low Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/1f\/d71ed266b53b548e96dde62e8511-200x200-1\/hot_rolled_boiler_alloy_steel_sheet_plate_16mn_q345b_manganese_low_alloy_structure.jpg","attrs":{"Brand Name":"HDT","Place of Origin":"China","Minimum Order Quantity":"5T","Delivery Time":"60-75days"}}
{"title":"Cold Rolled Hot Rolled Alloy Steel Sheet Black Surface Grinded Machined For Ship","imgUrl":"https:\/\/img.chinax.com\/nimg\/9a\/26\/064f5d713d6f7ce7f1e6855a4132-200x200-1\/cold_rolled_hot_rolled_alloy_steel_sheet_black_surface_grinded_machined_for_ship.jpg","attrs":{"Brand Name":"HDT","Certification":"ISO SGS","Place of Origin":"China","Minimum Order Quantity":"5T"}}
{"title":"Q345R Boiler Alloy Steel Sheet Plate \/ Pressure Vessel Plate Elliptical Dished","imgUrl":"https:\/\/img.chinax.com\/nimg\/35\/c4\/a9c9c16353e3c0f0110802e2df4f-200x200-1\/q345r_boiler_alloy_steel_sheet_plate_2f_pressure_vessel_plate_elliptical_dished_tank_head.jpg","attrs":{"Brand Name":"HDT","Place of Origin":"China","Minimum Order Quantity":"5T","Delivery Time":"60-75days"}}
{"title":"42CrMo4 4140 1.7225 Scm 440 Cold Rolled Steel Channel Black Surface Grinded","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/d6\/3e67c6f7a2dc9b901b7918c3482f-200x200-1\/42crmo4_4140_1_7225_scm_440_cold_rolled_steel_channel_black_surface_grinded_machined.jpg","attrs":{"Brand Name":"HDT","Model Number":"42CrMo1.7225 4140SCM440","Certification":"ISO SGS","Place of Origin":"China"}}
We can produce other standard as the customers' 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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1985
Total Annual:
100000000-110000000
Employee Number:
600~700
Ecer Certification：
Verified Supplier
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid... Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid...
