Alloy Steel Round Bar

Annealing AISI 52100 / Gcr 15 / DIN 1.3505 Alloy Steel Round Bar For Bearing Ring Description: 1. Grade:SAE52100/DIN EN31/GB GCr15 2. Condition:Hot rolled,Annealed,Black surface 3. Hardness:≤255HBS 4. Ultrasonic test standard:SPE1921-GR3, CLASS C/C 5. Hot rolled technology:EAF+LF+VD Forged technology:EAF+LF+VD+ESR+Forging +QT+Machined surface 6. Mill Name:Xianggang,Xining,Wenfeng,shougang,liugang,Baogang. 7. MOQ:5Tons 8. Payment term:30% deposit. the balance against L/C at

Hot Rolled Alloy Steel Round Bar , Highly Mirror Molds Specifications 1. high speed tool steel 2. well-distributed carbide 3. good toughness 4. high abrasive resistance and hardness NAK80 plastic mould steel round bar, hot rolled diameter 20~80mm with highly mirror molds Specifications: Round bars (mm) Diameter Length 2~120 2500~5800 Description: Hot rolled Pre-harden &tempering , black or milled surface Hardness: 38~42HRC Technology: EAF+LF+VD+ESR+Forging +Q T + Machined

AISI 52100 / EN31 / Gcr 15 / DIN 1.3505 Alloy Steel Round Bar For Mechanical Description: 1. AISI 52100/EN3/Gcr 15/ DIN 1.3505/JIS SUJ2 bearing steel round bar 2. Hot rolled or forged condition, annealing , black or milled surface 3. Hardness: ≤210HBS ; 4. Heat treatment: Annealing: Heat to 790-810C,furnace cool to 650C,then cool in air Normalized: Heat to 900-920C,cool in air High Temperature Tempered: Heat to 650-700C,cool in air Quenched: Heat to 860C,oil quenched Low

AISI 4140 / DIN 1.7225 Alloy Steel Plate Hot Rolled Or Forged Condition High Tensile 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: Normalization: heating to 840 to 880

Black / Milled Surface Alloy Steel Round Bar DIN 1.7225 AISI 4140 With High Temperature 4140 Alloy Steel Round Bar & Plate / 1.7225 Alloy Steel Rod & Plate 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,

AISI 5140 Alloy Steel Round Bar Hot Rolled , Annealing / Black Surface Tool steel / Alloy tool steel / Alloy steel Hot rolled AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr Alloy Steel Rod / Plate 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

Forged ASTM 5140 / 40CR Alloy Steel Round Bar For Connecting Rod , Annealing Surface Alloy steel / Tool Steel / Alloy tool steel JIS SCR440/GB 40Cr Forged 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:

AISI 52100 / EN3 / Gcr 15 / DIN 1.3505 Alloy Steel Round Bar Forged Annealing Surface Description: 1. AISI 52100/EN3/Gcr 15/ DIN 1.3505/JIS SUJ2 bearing steel round bar 2. Hot rolled or forged condition, annealing , black or milled surface 3. Hardness: ≤210HBS ; 4. Heat treatment: Annealing: Heat to 790-810C,furnace cool to 650C,then cool in air Normalized: Heat to 900-920C,cool in air High Temperature Tempered: Heat to 650-700C,cool in air Quenched: Heat to 860C,oil quenched

Hot Rolled / Forged Alloy Steel Round Bar AISI 4340 / DIN 1.6511 , High Tenacity 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

Machined Alloy Steel Plate Hot Rolled AISI 4135 / GB 35CrMo / DIN 1.7220 / JIS SCM435 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

AISI 4135 / JIS SCM435 / GB 35CrMo / DIN 1.7220 Alloy Steel Round Bar Hot Rolled 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

Forged AISI 4340 Alloy Steel Round Bar High Strength , Black / Machined Surface 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 DIN 1.7218 20CrMo / T 17107 / JIS SCM420 / 20CrMo 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 leadtime: 7~10 days 7. Chemical composition: Grade C Si Mn Cr Mo

DIN 1.7218 Alloy Steel Plate 20CrMo / T 17107 / JIS SCM420 / 20CrMo 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 test standard: SPE1921-GR3, CLASS C/C 6. Production leadtime: 7~10 days 7. Chemical composition: Grade C Si Mn Cr

Hot Rolled Alloy Steel Round Bar ASTM4340 / AISI 4340 With High Strength 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

Annealing Alloy Steel Round Bar AISI 4340 /ASTM 4340 / DIN 1.6511 With Machined Surface 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

Forged Alloy Steel Round Bar AISI 4140 / JIS SCM440 / DIN 1.7225 For Boiler Heat Exchangers 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

AISI 4140 / ASTM 4140 Alloy Steel Round Bar Hot Rolled With Milled Surface 4140 Alloy Steel Round Bar & Plate / 1.7225 Alloy Steel Rod & Plate 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

Anealing Alloy Steel Round Bar AISI 5140 With 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.

Hot Rolled Anealing Alloy Steel Round Bar AISI 5140 / ASTM 5140 / 40Cr 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 %: