Hot Sale Hot Rolled/Forged 1.1191 S45c 1045 Mild Alloy Hollow Steel Bar Rough Machined

1: 1045 steel introduction
Steel C45 Round Bar is an unalloyed medium carbon steel, which is also a general carbon engineering steel. C45 is a medium strength steel with good machinability and excellent tensile properties. C45 round steel is generally supplied in the black hot rolled or occasionally in the normalised condition, with a typical tensile strength range 570 - 700 Mpa and Brinell hardness range 170 - 210 in either condition. It does not however respond satisfactorily to nitriding due to a lack of suitable alloying elements.
2: 1045 Steel equivalent
| Country | Japan | British | Australia | USA |
| Standard | JIS G4051 | EN10083-2 | AS 1442 | ASTM A29 |
| Grade | S45C | C45/1.1191 | 1045 | 1045 |
3: 1045 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 1045 | 0.43-0.5 | 0.4 | 0.6-0.9 | 0.04 | 0.05 | / | / | / |
| 1.1191 | 0.42-0.5 | 0.4 | 0.5-0.8 | 0.03 | 0.035 | / | / | / |
| S45C | 0.42-0.48 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | / | / | / |
4: 1045 steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.
5: 1045 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 | 1045 carbon steels are used for axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods, screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc. | |
6: Hardening
Harden from a temperature of 820-860oC followed by water or oil quenching.
Heat to 820 oC - 850 oC hold until temperature is uniform throughout the section, soak for 10 - 15 minutes per 25mm of section, and quench in water or brine. Or,
Heat to 830 oC - 860 oC soak as above and quench in oil.Temper immediately while still hand warm.
Surface hardness for C45 special steel round bar after flame or induction hardning:
Steel Name Steel number Surface Harndess
C45 1.1191 min. 55 HRC
7: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed/QT, rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed/QT, Black surface.
For Cold Drawn bar, usually the delivery condtion is cold drawn, annealed/QT, peeled/black surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, milled/black surface
For hot forged plate, usually the delivery condition is hot forged, normalized/annealed, milled/black surface.



The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.



Q1: Are you trading company or manufacturer ?
We are professional manufacturer for many years. we can provide a wide range of steel products.
Q2: What is alloy steel round bar export packing?
Usually bundling for large diameter,small diameter bars in bulk or as customer's demand.
Q3: What is your MOQ?
We accept small order,if it is stock,any quantities can be accepted.
Q4: What is your lead time?
Depends actual order,around 20-35 days,or negotiation.
Q5: Can you supply sample?
Yes,we can.Sample fee according to your size.
Q6: What certificates do you have?
ISO, ABS, BV, CCS, Dnv, Lr, Gl, Mill Certificate
Q7: How can I get your quotation as soon as possible?
The email and fax will be checked within 24 hours,meanwhile,the Skype,Wechat and WhatsApp will be online in 24 hours.Please send us your requirement,we will work out a best price soon.
We are professional manufacturer for many years. we can provide a wide range of steel products.
Usually bundling for large diameter,small diameter bars in bulk or as customer's demand.
The hardness after heat treatment is higher than D2/1.2379/Cr12Mo1V1, and can reach 61-63HRC after high-temperature tempering (525 ± 5 ℃); In terms of strength and wear resistance, it exceeds Cr12Mo1V1, and its toughness is higher than D2/1.2379/Cr12Mo1V1; The manufactured molds rarely have cracks and fissures, greatly improving their service life; The residual stress after wire cutting processing is smaller than that of Cr12Mo1V1; The cutting and grinding performance exceeds Cr12Mo1V1.
Suitable for manufacturing precision punching dies and stamping dies for cold forging, deep drawing, and wire rolling for wire cutting processing.