Alloy Structural Steel

18CrMo4 Alloy Structural Steel 6.0mm-1200mm 18CrMo4 (1.7243) alloy structural steel has good technological properties and weldability, and has high endurance strength at 500~550 ℃. When the temperature exceeds 550 ℃, the oxidation resistance becomes worse and the creep strength decreases significantly. When the temperature is 500~550 ℃ for a long time, the thermal strength and strength of 18CrMo4 steel decrease. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar

42CrMo Alloy Structural Steel 6.0mm-1200mm Hot Rolled Bright 42crmo round steel has high strength, hardenability, good toughness, small deformation during quenching, and high creep strength and rupture strength at high temperature. It can be used to manufacture forgings with higher strength and larger quenched and tempered section than 35CrMo steel, such as large gear for locomotive traction, supercharger transmission gear, pressure vessel gear, rear axle, connecting rod and

AISI 8620 Alloy Structural Steel 6.0mm-1200mm Hot Rolled 6.0mm-1200mm 5140 steel is medium carbon modulated steel and cold heading die steel. The steel is inexpensive and easy to process. After proper heat treatment, it can obtain certain toughness, plasticity and wear resistance. Normalizing can promote the spheroidization of the structure and improve the cutting performance of the blank with hardness less than 160HBS. Tempered at 550~570 ℃, the steel has the best comprehens

30CrMnSi Alloy Structural Steel 6.0mm-1200mm Round Bar High strength quenched and tempered structural steel. It has high strength and toughness, high hardenability, medium cold deformation plasticity, and good machinability. There is a tendency of temper brittleness, and the transverse impact toughness is poor. The welding performance is good, but when the thickness is greater than 3mm, it should be preheated to 150 ℃ first, and heat treatment is required after welding. Use

18CrMo4 Alloy Structural Steel 6.0mm-1200mm Round Bar When the temperature exceeds 550 ℃, the oxidation resistance becomes worse and the creep strength decreases significantly. When the temperature is 500~550 ℃ for a long time, the thermal strength and strength of 18CrMo4 steel decrease.18CrMo4 (1.7243) alloy structural steel has good technological properties and weldability, and has high endurance strength at 500~550 ℃. Supply Form & Size Form of Supply Size(mm) Length(mm)

DIN/EN 18CrMo4 Alloy Structural Steel 6.0mm-1200mm JIS/KS SCM415 18CrMo4 (1.7243) alloy structural steel has good technological properties and weldability, and has high endurance strength at 500~550 ℃. When the temperature exceeds 550 ℃, the oxidation resistance becomes worse and the creep strength decreases significantly. When the temperature is 500~550 ℃ for a long time, the thermal strength and strength of 18CrMo4 steel decrease. Supply Form & Size Form of Supply Size(mm)

12Cr1MoV Alloy Structural Steel Diameter High Antioxidant And Thermal Strength 12Cr1MoV round steel has higher oxidation resistance and thermal strength. The creep limit of this steel is close to the rupture strength value, and it has high plasticity under the condition of rupture tension; The steel has good processability and weldability, but needs to be preheated to 300 ℃ before welding, and needs to be stress removed after welding. It is widely used in superheater, header

AISI 4140 Alloy Structural Steel 6.0mm-1200mm Hot Rolled Bright AISI 4140 steel is Chrome-Moly High Tensile Steel which has at least 0.8%Cr,0.15%Mo as strengthening alloy elements.The chromium content provides good hardness penetration, and the molybdenum content ensures uniform hardness and high strength. AISI 4140 steel can be oil hardened to a relatively high level of hardness with a tensile strength of 850 – 1000 MPa.AISI 4140 offers a very good balance of strength

SCM421 Alloy Structural Steel 6.0mm-1200mm Hot Rolled SCM421 has good hot working performance, good cutting performance after normalizing, good comprehensive mechanical properties and low temperature impact toughness after quenching and tempering, high bending strength and wear resistance after carburizing, but poor welding performance. It should be preheated properly before welding, and tempered timely after welding. Supply Form & Size Form of Supply Size(mm) Length(mm)

AISI5140 Alloy Structural Steel 6.0mm-1200mm Hot Rolled 2.5m-10m 5140 steel is medium carbon modulated steel and cold heading die steel. The steel is inexpensive and easy to process. After proper heat treatment, it can obtain certain toughness, plasticity and wear resistance. Normalizing can promote the spheroidization of the structure and improve the cutting performance of the blank with hardness less than 160HBS. Tempered at 550~570 ℃, the steel has the best comprehensive

AISI5120 Alloy Structural Steel 6.0mm-1200mm 2.5m-10m Hot Rolled AISI5120 is a low hardenability carburized steel, which is mostly used to manufacture carburized parts with high core strength requirements, wear resistance on the surface, section less than 30mm or complex shape and low load. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m Chemical Composition&Related Specifications Grade C Si Mn P S Cr 5120 0.17-0.22 0.15-0.35 0.70-0.90 ≤0

ASTM A29/A29M-04 Alloy Structural Steel 6.0mm-1200mm 2.5m-10m Hot Rolled/Bright 4340 alloy steel is an iron-based alloy containing nickel, chromium and molybdenum. The relatively high carbon content makes this alloy have excellent strength, toughness and ductility in applications with severe service conditions. In addition, the alloy is not easy to embrittle. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m Chemical Composition&Related

AISI4135 Alloy Structural Steel 6.0mm-1200mm ASTM 4135 has high static strength, impact toughness and high fatigue limit, higher hardenability than 40Cr, high creep strength and endurance strength at high temperature, and long-term working temperature up to 500 ℃; Medium plasticity and poor weldability during cold deformation. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m Chemical Composition&Related Specifications Grade C Si Mn P S Cr

AISI4130 Alloy Structural Steel 6.0mm-1200mm Very High Strength And Toughness 4130 structural steel has high strength and toughness, high hardenability, and the critical hardenability diameter in oil is 15-70mm; The thermal strength of steel is also good, and it has enough high temperature strength below 500 ℃, but its strength decreases significantly at 550 ℃; When the alloy element is at the lower limit, the welding is quite good, but when it is close to the upper limit,

ASTM 4118 Alloy Structural Steel 6.0mm-1200mm Very High Strength And Toughness ASTM4118 has high hardenability, no temper brittleness, good weldability, little tendency to form cold crack, good machinability and cold strain plasticity. ASTM4118 is generally used in quenched and tempered or carburized and quenched conditions, and is used to manufacture high-pressure pipes and various fasteners, and higher carburized parts, such as gears and shafts, which work in non-corrosive

38CrMoAl Alloy Structural Steel 6.0mm-1200mm Round Bar 38CrMoAl round steel is mostly used to manufacture various small size nitrided parts with high fatigue strength, high wear resistance, accurate size and high strength after heat treatment, such as cylinder sleeve, seat sleeve, bottom cover, piston bolt, inspection precision grinder spindle, lathe spindle, enamel rod, precision lead screw, gear, worm, high pressure valve, valve rod, imitation mold, roller, template,

35CrMnSiA Alloy Structural Steel 6.0mm-1200mm Round Bar 35CrMnSiA steel is a low alloy ultra-high strength steel. After heat treatment, it has good comprehensive mechanical properties, high strength, sufficient toughness, hardenability, weldability and processability, but low corrosion resistance and oxidation resistance. It is used after low temperature tempering or isothermal quenching· Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m

Alloy Structural Steel 6.0mm-1200mm Round Bar 30CrMnSi High strength quenched and tempered structural steel. It has high strength and toughness, high hardenability, medium cold deformation plasticity, and good machinability. There is a tendency of temper brittleness, and the transverse impact toughness is poor. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m Chemical Composition&Related Specifications Grade C Si Mn Cr 30CrMnSi 0.28～0.34 0

12Cr1MoV 6.0mm-1000mm Alloy Structural Steel Diameter 12Cr1MoV alloy steel is mainly used after normalizing and high-temperature tempering to manufacture superheated steel pipes, conduits, coils and other corresponding forgings with working temperature not exceeding 570-585 ℃ in high-pressure equipment. Supply Form & Size Form of Supply Size(mm) Length(mm) Round bar 6.0mm-1200mm 2.5m-10m Chemical Composition&Related Specifications Grade C Si Mn S P Cr Ni Cu Mo 12Cr1MoV 0.08～0

2.5m-10m 12Cr1MoV Alloy Structural Steel Diameter 12Cr1MoV round steel has higher oxidation resistance and thermal strength. The creep limit of this steel is close to the rupture strength value, and it has high plasticity under the condition of rupture tension; The steel has good processability and weldability, but needs to be preheated to 300 ℃ before welding, and needs to be stress removed after welding. It is widely used in superheater, header and main pipe of HP, UHP and