Steel Round Bar

AISI 4140 Scm440 42CrMo4/1.7225 En19/709m40 Forging Steel Round Bar

AISI 4140 SCM440 42CrMo4/1.7225 En19/709m40 Forging Steel Round Bar 1: AISI 4140 steel introduction AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as strengthening alloy elements.Compared with AISI 4130, it has a higher carbon content with good balance of strength, toughness ,abrasion and impact resistance and heat treatment capabilities,but poor in weldability characteristics.AISI 4140 is generally supplied in quenched and tempered condition with hardness 28-32HRC 2: AISI 4140 Steel equivalent Country China Japan Germany USA British Standard GB/T 3077 JIS G4105 DIN (W-Nr.) EN 10250 AISI/ASTM ASTM A29 BS 970 Grade 42CrMo SCM440 42crmo4/1.7225 4140 EN19/709M40 3: AISI 4140 steel chemical composition Grade C Si Mn P S Cr Mo Ni 42CrMo 0.38-0.45 0.17-0.37 0.5-0.80 ≤0.035 ≤0.035 0.9-1.2 0.15-0.25 - SCM440 0.38-0.43 0.15-0.35 0.6-0.85 ≤0.035 ≤0.04 0.9-1.2 0.15-0.30 - 42crmo4/1.7225 0.38-0.45 ≤ 0.4 0.6-0.9 ≤0.025 ≤0.035 0.9-1.2 0.15-0.30 - 4140 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.035 ≤0.04 0.8-1.1 0.15-0.25 - EN19/709M40 0.35-0.45 0.15-0.35 0.5-0.80 ≤0.035 ≤0.035 0.9-1.5 0.2-0.40 - 4: AISI 4140 steel mechanical properties(for guidance only) Grade Tensile strength σb(MPa) Yield strength σs (MPa) Elongation δ5 (%) Reduction ψ (%) Impact Value Akv (J) Hardness 4140 ≥1080 ≥930 ≥12 ≥45 ≥63 28-32HRC 5: AISI 4140 steel overviews Size Round Dia 6-1200mm Plate/Flat/Block Thickness 6mm-500mm Width 20mm-1000mm Heat treatment Normalized ; Annealed ; Quenched ; Tempered Surface condition Black; Peeled; Polished; Machined; Grinded; Turned; Milled Delivery condition Forged; Hot rolled; Cold drawn Test Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. Payment terms T/T;L/C;/Money gram/ Paypal Trade terms FOB; CIF; C&F; etc.. Delivery time 30-45 days Application AISI 4140 steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc. Typical applications for 4140 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc 6: Delivery condition For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface. For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface. For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface. Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T. Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels, including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service. Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since

1.2344, H13 Hot-Work Tool Steel with Best Quality

Similar Grade: 1.2344, H13. Shape: Round, Flat, Square. Size Range: Diameter(mm) Thickness (mm) Width (mm) Length(mm) Round 50-420 - - 2000-5800 Square 50-420 - - 2000-5800 flat - 20-50 80-600 2000-5800 Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR Delivery Condition: Annealed, Quenched+Tempered Surface Condition: Black, Grinded, Peeled, Rough turned, Polished Features: 1. Competitive price 2. Immediate delivery 3. Premium quality 4. Reliable service Packing details In seaworthy packing, as your requirement. Delivery details within 30-50 days Chemical Composition: Grade C Mn P S Si Cr V Mo 1.2344 0.32-0.45 0.20-0.60 0.030 max 0.030 max 0.80-1.25 4.75-5.5 0.80-1.2 1.10-1.75 Mechanical Property: UT: Material will be ultrasonically tested at appropriate stages of the manufacture to ensure the quality, as agreed between seller and purchaser. Heat Treatment: Hardness :Annealed(+A) max: 235 BHN 1.2344 tool steel when heat-treatment the preheat Temperature need reach 788°C, and the temperature may be ± 14 °C . 1.2344 tool steel when austenitizing ,should keep 5-15 minutes long. If is the salt bath ,temperature should keep in the 996 °C,and shall be ± 5.6 °C. Or is the controlled atmosphere furnaces,temperature should keep in the 1010 °C,and shall be ± 5.6 °C. Quenching: 1.2344 tool steel Hardening quenching using air cooling, and it's hardness min is 52 RC. Tempering: 1.2344 tool steel general tempering temperature is 552°C. Double tempering of Double tempering of H13 tool steel is recommended. Application: 1.2344 tool steel are frequently used in cold work applications requiring toughness at relatively high hardness For high-speed forging die. Aluminum, magnesium alloy forging die, hardness select 42-50HRC. Ferrous metal die, hardness select 40-50HRC. Suitable for the application of cracks greater risk of hot die steel, tool steel life of the mold can be 1.5-3 times 5CrNiMo steel Description: 1.2344 tool steel is characterized by a controlled chromium content along with other alloying elements. 1.2344 tool steel with excellent toughness 1.2344 tool steel with high hardenability

Engineering Machinery 35# 10~400mm Hot Rolled Alloy Carbon Steel Round Bars

Manufacture 316 10~400mm Hot Rolled Alloy Carbon Steel Round Bars HS Code

AISI 8630 Mod, 4140, 4130, 4340 Low Alloy Steel Forgings Round /Flat /Square Bar and Mill Shape API 75K, 85K

Cold Rolled Ba 2b Round Food Processing Stainless Steel ASTM DIN JIS SUS 310S 309 310 430 410 420 409L 440 436L 430j1 420j1 430 410 420 409L Stainless Steel Bar