Common size on stock, Special sizes needs new production.Can cut to Size, cut to Shape.
EMERSONMETAL
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We can supply all types shipbuilding steel plate in different sizes, thin thickness to thick heavy thickness, can cut to size, cut to length, different types sheet metal fabrication, can supply GB3077 12CrMo 15CrMo 20CrMo 30CrMo Hot Rolled Alloy Steel Plate, Alloy Steel Plate, Hot Rolled Steel Plate, GB3077 12CrMo Alloy Steel Plate, GB3077 15CrMo Alloy Steel Plate, 20CrMo Alloy Steel Plate, 30CrMo Alloy Steel Plate, 12CrMo Hot Rolled Steel Plate, 15CrMo Hot Rolled Steel Plate, 20CrMo Hot Rolled Steel Plate, 30CrMo Hot Rolled Steel Plate.
CATEGORY | STANDARD | GRADES AND MATERIALS | TECHNICAL PROPERTY IS ASSURED THICKNESS | UT TEST THICKNESS | CHEMICAL COMPOSITION IS ASSURED THICKNESS | DELIVERY CONDITION |
Alloy Steel Plate | GB3077 | 12CrMo、15CrMo、20CrMo、30CrMo 35CrMo、42CrMo、20Cr、40Cr | 10～300 | 10～300 | 10～750 | AR、N、T、Q+T |
EN | 25CrMo4、34CrMo4、42CrMo4 | 10～300 | 10～300 | 10～750 | AR、N、T、Q+T | |
Production Dimension: Thickness: 10mm-750mm, width 1500mm-3700mm, length 3000mm-18000mm, the special sizes over this dimension can be produced by customization. Delivery Condition: when assuring the steel plate technical property, the steel plate can be delivered at hot rolled, controlled rolled, normalized, annealled, tempered, normalized and tempered, Q+T these delivery conditions. For the grades not shown in the material list, can send to the technical department for checking for production. | ||||||
The GB3077 standard lists in detail the grades of alloy structural steel and the corresponding chemical composition requirements.
12CrMo 15CrMo 20CrMo 30CrMo Chemical Composition and Technical Property is as below:
Standard | C % max | Si max | Mn max | P max | S max | Mo max | Ni max | Cr max | tensile strength（MPa） | yield strength（MPa） | Elongation% |
12CrMo | 0.08-0.15 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 | 0.4-0.55 | 0.03 | 0.4-0.7 | ≥410 | ≥265 | ≥24 |
15CrMo | 0.08-0.15 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 | 0.4-0.55 | 0.03 | 0.8-1.1 | 440-640 | ≥295 | ≥22 |
20CrMo | 0.17-0.24 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 | 0.15-0.25 | 0.03 | 0.8-1.1 | ≥885 | ≥685 | ≥12 |
30CrMo | 0.26-0.34 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 | 0.15-0.25 | 0.03 | 0.8-1.1 | ≥930 | ≥785 | ≥12 |
12CrMo is a pearlitic hot-strength steel with good resistance to high temperature and corrosion.
The following are the main application fields of 12CrMo:
Petrochemical industry: used in petroleum cracking furnace, petroleum refining device, etc., able to operate stably for a long time.
Power industry: used in boiler, turbine blades and other components, resistant to high temperature and high pressure environment.
Automobile manufacturing: used in engine parts, exhaust systems, etc., to maintain good performance at high temperature and high pressure.
Aerospace: used in aircraft engines, aerospace equipment, etc., to meet the needs of high temperature and corrosion resistance.
Machinery Manufacturing: Used in the manufacture of high-temperature parts, corrosion-resistant parts, etc. for mechanical equipment.
15CrMo is a heat-resistant steel of pearlitic organization with superior high-temperature performance and oxidation resistance.
The following are the main application fields of 15CrMo:
Petrochemical industry: used to manufacture high temperature and high pressure pipes, vessels and heat exchangers and other equipment.
Energy and electric power: used in the manufacture of boiler heating surface, steam turbine cylinder block and other key components.
Aerospace: used to manufacture key components such as engines with good hydrogen corrosion resistance.
Shipbuilding: used to manufacture hull structure, marine equipment and other components.
Machinery manufacturing: used in the manufacture of compressors, pumps, fans and other mechanical equipment.
Construction field: used in the manufacture of high-rise buildings, large-scale factory buildings and other structures
20CrMo is an alloy structural steel with good mechanical properties and heat treatment characteristics.
The following are the main application fields of 20CrMo:
Machinery Manufacturing: Used in the manufacture of parts such as drive shafts, gears, connecting rods, bushings and flywheels.
Petroleum and chemical equipment: for the manufacture of parts for equipment such as oil drilling bits, pipeline connectors, oil well casing and chemical reactors.
Forging dies: suitable for manufacturing forging dies such as hammer heads, modules and press working parts.
Automotive parts: for manufacturing key parts such as gears, shafts and universal joints for transmission systems.
Railroad transportation: for manufacturing railroad transportation equipment and parts, such as rail connectors, wheels, axles and body structures.
30CrMo is a medium carbon alloy steel plate with high strength and hardness, as well as excellent wear and corrosion resistance.
The following are the main application fields of 30CrMo:
Mechanical Manufacturing: Used in the manufacture of a variety of mechanical parts that are subjected to large forces and harsh working environments, such as shafts, gears, bearings, connecting rods and so on.
Petrochemical industry: used in the manufacture of a variety of pressure vessels, pipelines, tanks and other equipment, as well as containing nitrogen and hydrogen media working in the temperature does not exceed 250 ℃ high-pressure conduit.
Automobile manufacturing: It has important applications in automobile manufacturing, such as engine crankshafts, half shafts, gears and other key components.
Shipbuilding: It can be used to manufacture various parts of ships, such as hull structure, propellers, rudders and so on.
Energy field: in the turbine and boiler manufacturing industry, it is used to manufacture fasteners working below 450℃, flanges and nuts subject to high pressure below 500℃, and so on.
