Alloy Round Bars

Specification 1.Chromium molybdenum alloy steel. 2.High strength and toughness. 3.Good stability of hardenability. 4.Good high tensile strength with shock resistance. Shape:steel plate/flat bar/round bar Technology:Hot work / Forged/cold drawn Heat treatment:Annealed / Q+T Surface condition:Black/Peeling/Polishing/Machined Delivery condition:Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate

Specification 1.Chromium molybdenum alloy steel. 2.High strength and toughness. 3.Good stability of hardenability and anti-overheating. 4.Good high tensile strength with shock resistance. Application 1.Heavy machinery and high-load of shaft. 2.Rotor shaft and blades. 3.Special performance requirements of the vital parts after nitriding treatment. Shape:steel plate/flat bar/round bar Technology:Hot work / Forged/cold drawn Heat treatment:Annealed / Q+T Surface condition:Black/Peeling/Polishing/Machined Delivery condition:Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate

Round Bar Specifications · Grade: Alloy steel · Standard: AISI, ASTM, BS, DIN, GB, JIS · OD:10-500mm · Thickness: Max:800mm · Width: 205mm~2300mm · Length: 1000mm~6000mm · Place of Origin: China (Mainland) · Model Number: 1.7220 / SCM430 / 30CrMo4 / 4130 ; 4140/42CrMo4/1.7225; En24 34CrNiMo6 1.6582 4340. · Application: Mould steel · Technique: Forged · Special Use: Mold Steel ,Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. · Shape: Round bars/Flat bar/Plate · Technology: Hot Rolled/Forged/Clod Draw · Heat treatment: Annealing/Q+T · Surface treatment:Black/Peeling/Polishing/Machined · Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT · Customer's logo: Available · Test: SGS/UT100%/Elements testing · Certificate: ISO/Mill certificate · Experience: Ten years manufacturer experience Chemical composition Standard Number C Mn Si Cr Mo P S Ni GB 42CrMo 0.38~0.45 0.50~0.8 0.17~0.37 0.9~1.2 0.15~0.25 =0.035 =0.035 =0.3 AISI 4140 0.40~0.45 0.75~1.0 0.15~0.35 0.8~1.1 0.15~0.25 =0.035 =0.040 GB 40CrNiMoA 0.37~0.44 0.17~0.37 0.50~0.80 0.6~0.9 0.15~0.25 =0.035 =0.035 1.25~1.65 AISI 4340 0.38~0.43 0.15~0.35 0.60~0.80 0.7~0.9 0.20~0.30 =0.035 =0.040 1.65~2.00

Round Bar Specifications · Grade: Alloy steel · Standard: AISI, ASTM, BS, DIN, GB, JIS · OD:10-500mm · Thickness: Max:800mm · Width: 205mm~2300mm · Length: 1000mm~6000mm · Place of Origin: China (Mainland) · Model Number: 1.7220 / SCM430 / 30CrMo4 / 4130 ; 4140/42CrMo4/1.7225; En24 34CrNiMo6 1.6582 4340. · Application: Mould steel · Technique: Forged · Special Use: Mold Steel ,Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. · Shape: Round bars/Flat bar/Plate · Technology: Hot Rolled/Forged/Clod Draw · Heat treatment: Annealing/Q+T · Surface treatment:Black/Peeling/Polishing/Machined · Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT · Customer's logo: Available · Test: SGS/UT100%/Elements testing · Certificate: ISO/Mill certificate · Experience: Ten years manufacturer experience

Round Bar Specifications · Grade: Alloy steel · Standard: AISI, ASTM, BS, DIN, GB, JIS · OD:10-500mm · Thickness: Max:800mm · Width: 205mm~2300mm · Length: 1000mm~6000mm · Place of Origin: China (Mainland) · Model Number: 1.7220 / SCM430 / 30CrMo4 / 4130; 4140/42CrMo4/1.7225; En24 34CrNiMo6 1.6582 4340. · Application: Mould steel · Technique: Forged · Special Use: Mold Steel ,Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. · Shape: Round bars/Flat bar/Plate · Technology: Hot Rolled/Forged/Clod Draw · Heat treatment: Annealing/Q+T · Surface treatment:Black/Peeling/Polishing/Machined · Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT · Customer's logo: Available · Test: SGS/UT100%/Elements testing · Certificate: ISO/Mill certificate · Experience: Ten years manufacturer experience

* Owing to our vast industrial experience in this domain we are actively engaged in offering Alloy Steel Round Bar. This round bar is manufactured utilizing matchless quality material and latest techniques keeping following the set norms of industry. * These Steel Round Bars are suitable for use in industry sectors like petroleum, foodstuff, chemical industry, construction, machinery, shipbuilding, boiler as well as in heat-resistant parts. Other than this, it is also suitable for use in areas with high possibilities of corrosion. Standard : ASTM / ASME A/SA 182, ASTM A276, ASME SA276 Rods Range : 4 mm to 350 mm dia Wires Range : 0.5 mm to 10 mm dia Grade : A-182 - F5, F9, F11, F12, F21, F22 & F91 Diameter : 10 mm To 200 mm Diameter Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. Finish : Rolled Black Bars, Bright Bars, Forged Bars, Polished Bars, 2B, 2D, BA, MAT

SCM440: HOT ROLLED,Dia.50-300mm, HOT FORGED: Dia.300-900mm SCH420: Hot forged:Dia.300-900mm Machining Metal Material

Specification 1.Chromium molybdenum alloy steel. 2.Slightly higher carton content than 4130. 3.Great strengh and heat treatment. 4.Good processability and easy polishing. 5.Good toughness and small quenching deformation. Shape:steel plate/flat bar/round bar Technology:Hot work / Forged/cold drawn Heat treatment:Annealed / Q+T Surface condition:Black/Peeling/Polishing/Machined Delivery condition:Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate

42CrMo4 Alloy Steel Round Bar manufacturer in China Dia:20-330 Grade:42CrMo4,SAE4140,42CrMo Our products have been exported to many countries and area such as South America, South East Asia, Middle East and Africa. And got very high reputation on the quality. We are glad to enter into business relations with customer from all over the world. Welcome to visit us.