Alloy Steel Round Bar

Harden Rolled Alloy Steel Round Bar , AISI 8620 , 16 ~ 205 Description: 1. AISI 8620/DIN 1.6523/GB 20CrNiMo/ JIS SCM220 alloy steel 2. Hot rolled or forged condition, annealing, black or milled surface 3. Hardness: ≤ 210HBS; 4. Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5. Hot rolled technology: EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 6.

Forged Black Alloy Steel Round Bar of Harden GB 20Cr AISI 8620 Description: 1. AISI 8620/DIN 1.6523/GB 20CrNiMo/ JIS SCM220 alloy steel 2. Hot rolled or forged condition, annealing, black or milled surface 3. Hardness: ≤ 210HBS; 4. Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5. Hot rolled technology: EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 6.

Hot Rolled Forged Alloy Steel Round Bar AISI 4140 / DIN1.7225 4140 Alloy Steel Round Bar / 1.7225 Alloy Steel Rod Description: 1.DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Alloy Steel Round Bar / Steel Rod 2.Hot rolled or forged condition, annealing or harden, black or milled surface 3.Pre-heat treatment: Annealing : heat to 840-860c, keep 2H, furnace cold, hardness≤217HBS High temperature tempering : heat to 680-700c, air cold, hardness ≤217HBS 4.Heat treatment: Normalizati

Forged AISI 4340 Alloy Steel Round Bar for Team Turbine Shaft , Crankshaft , Gears Description: 1. AISI 4340/GB40CrNiMo/DIN 1.6511 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or machined surface 3.Hardness: ≤220HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS D/D or E/E 6.Production leadtime: 7~10 days 7. Chemical composition: C Si Mn S P Cr Ni

Hot Rolled Alloy Steel Round Bar , AISI 5140 Harden High Tenacity Tool steel / Alloy tool steel / Alloy steel Hot rolled AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr Alloy Steel Rod Description: 1. AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar 2.Hot rolled condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5.

Forged AISI 5140 / ASTM 5140 Alloy Steel Round Bar for Connecting Rod Alloy steel / Tool Steel / Alloy tool steel JIS SCR440/GB 40Cr Forged 150 ~ 600 MM AISI 5140 / ASTM 5140 / JIS SCR440/GB 40Cr Alloy Steel Round Bar For Connecting Rod Description: 1 AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar 2.Forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength

Hot Rolled Alloy Steel Round Bar JIS SCR440 / GB 40Cr 16 ~ 205 Tool steel / Alloy tool steel / Alloy steel Hot rolled AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr Alloy Steel Rod Description: 1. AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar 2.Hot rolled condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5. Hot

AISI 4140 / JIS SCM440 / DIN 1.7225 Alloy Steel Round Bar with Milled Surface Alloy steel / Alloy tool steel / tool steel Forged 150 ~ 600 MM AISI 4140 / JIS SCM440 / GB 42CrMo / DIN 1.7225 Alloy Steel Round Bar with Milled surface Description: 1.DIN1.7225/SAE4140/GB42CrMo,JIS SCM440 alloy steel round bar 2. Forged condition, annealing or harden, milled surface 3.Pre-heat treatment: Annealing : heat to 840-860c, keep 2H, furnace cold, hardness≤217HBS High temperature

Hot Rolled Alloy Steel Round Bar DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Hot Rolled 16~255 MM DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Alloy Steel Rod Description: 1.DIN1.7225/SAE4140/GB42CrMo,JIS SCM440 alloy steel plate 2.Hot rolled , annealing or harden, black or milled surface 3.Pre-heat treatment: Annealing : heat to 840-860c, keep 2H, furnace cold, hardness≤217HBS High temperature tempering : heat to 680-700c, air cold, hardness ≤217HBS 4.Heat treatment:

Forged JIS SCM420 / GB 20CrMO / DIN 1.7218 Alloy Steel Round Bar ALLOY STEEL / TOOL STEEL / ALLOY TOOL STEEL Forged Or Hot Rolled JIS SCM420 / GB 20CrMO / DIN 1.7218 Alloy Steel Round Bar With Milled Surface Description: 1.JIS SCM420/GB 20CrMO/DIN 1.7218 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic

DIN 1.7218 / JIS SCM420 20CrMo Alloy Steel Round Bar Milled Surface DIN 1.7218 Alloy Steel bar / SCM420 Alloy Steel Round Bar / 20CrMo Alloy Steel Rod Description: 1.JIS SCM420/GB 20CrMO/DIN 1.7218 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS C/C 6.Production

JIS SCR440 Alloy Steel Round Bar AISI 5140 Steel High Hardness Alloy Steel 5140 Rod / AISI 5140 Steel Bars Description: 1. AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5. Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD

High Tenacity Alloy Steel Round Bar 4340 for Steam Turbine Shaft Round Bar Alloy Steel 4340 / 1.6511 Alloy Rod Description: 1. AISI 4340/GB40CrNiMo/DIN 1.6511 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤220HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS D/D or E/E 6.Production leadtime: 7~10 days 7. Chemical

Good Hardenability AISI 4340 / GB40CrNiMo / DIN 1.6511 Alloy Steel Round Bar Description: 1. AISI 4340/GB40CrNiMo/DIN 1.6511 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤220HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS D/D or E/E 6.Production leadtime: 7~10 days 7. Chemical composition: C Si Mn S P Cr Ni Mo 0.37

High Tenacity AISI 4340 / GB40CrNiMo / DIN 1.6511 Alloy Steel Round Bar Description: 1. AISI 4340/GB40CrNiMo/DIN 1.6511 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or machined surface 3.Hardness: ≤220HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS D/D or E/E 6.Production leadtime: 7~10 days 7. Chemical composition: C Si Mn S P Cr Ni Mo 0.37~0

AISI 8620 / DIN 1.6523 / GB 20CrNiMo / JIS SCM220 Alloy Steel Round Bar Desription: 1.AISI 8620/DIN 1.6523/GB 20CrNiMO alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5.Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 6

High Strength Alloy Steel Round Bar AISI 4135 DIN 1.7220 Milled Surface Alloy steel / Tool steel / Alloy tool steel Hot Rolled 16 ~ 205 MM AISI 4135 / JIS SCM435 / GB 35CrMo / DIN 1.7220 Alloy Steel Round Bar Description: 1. AISI 4135/JIS SCM435/GB 35CrMo/DIN 1.7220alloy steel round bar 2.Hot rolled condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4 Hot rolled technology:EAF+LF+VD 5.Ultrasonic test standard: SPE1921-GR3, CLASS C/C 6.Production leadtime: 7

Forged Milled Alloy Steel Round Bar AISI 4140 1.7225 High Polish 4140 Alloy Steel Round Bar / 1.7225 Alloy Steel Rod Description: 1.DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Alloy Steel Round Bar / Steel Rod 2.Hot rolled or forged condition, annealing or harden, black or milled surface 3.Pre-heat treatment: Annealing : heat to 840-860c, keep 2H, furnace cold, hardness≤217HBS High temperature tempering : heat to 680-700c, air cold, hardness ≤217HBS 4.Heat treatment:

AISI 4135 / JIS SCM435 / GB 35CrMo/DIN 1.7220 Alloy Steel Round Bar Shaft Description: 1.AISI 4135 / JIS SCM435 / GB 35CrMo / DIN 1.7220 alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4 Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 5.Ultrasonic test standard: SPE1921-GR3, CLASS C/C 6.Production leadtime: 7~10 days 7. Chemical composition: C SI Mn Cr P S Mo 0

AISI 8620 / DIN 1.6523 / GB 20CrNiMO / JIS SCM220 Grey Or Black Alloy Steel Round Bar Description: 1.AISI 8620/DIN 1.6523/GB 20CrNiMO alloy steel round bar 2.Hot rolled or forged condition, annealing , black or milled surface 3.Hardness: ≤210HBS ; 4.Machine Capability Tensile strength (N/mm2Mpa): >=835 Elongation %: >=10 Yield strength: >=540 Hardness: HBS<=179 Reduction of area: >=40% 5.Hot rolled technology:EAF+LF+VD Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined