1045 steel-Luoyue Precision Metal

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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.

C45 round bar steel is equivalent to EN8 or 080M40. Steel C45 bar or plate is suitable for the manufacture of parts such as gears, bolts, general-purpose axles and shafts, keys and studs.

1. Supply Range of Steel C45 Round Bar

C45 Steel Round Bar: diameter 8mm – 3000mm

C45 Steel Plate: thickness 10mm – 1500mm x width 200mm – 3000mm

C45 Steel Flat Bar: 200mm – 1000mm

Square C45 Steel: 20mm-800mm

Hexagon Steel.

Surface Finish: Black, Rough Machined, Turned or as per given requirements.

Typical applications of C45 grade steel

Axles

Spindles

Studs

Shafts

Knives

Automotive components

General engineering components

Chemical composition

Variant Cast Weldability C % Si % Mn % P % S % Cr % Ni % Mo % V % Ti % Cu % Al % DI %

SB8673 CC CEV 0.71max Min 0.46 0.15 0.70 - 0.020 0.25 0.10 - - - - 0.020 1.70

Pcm 0.55max Max 0.49 0.35 0.80 0.020 0.035 0.30 0.20 - - - 0.25 0.040 2.00

SB1672 CC CEV 0.72max Min 0.42 0.10 0.50 - 0.020 - - - - - - - 1.10

Pcm 0.55max Max 0.50 0.40 0.90 0.045 0.045 0.40 0.40 0.10 - - - - 1.80

SB1671 CC CEV 0.58max Min 0.42 0.15 0.50 - 0.035 - - - - - - - 1.20

Pcm 0.51max Max 0.50 0.40 0.80 0.045 0.050 - - - - - - - 1.60

5081 CC CEV 0.72max Min 0.42 0.10 0.50 - 0.020 - - - - - - - 1.10

Pcm 0.55max Max 0.50 0.40 0.90 0.030 0.035 0.40 0.40 0.10 - - - - 1.80

5155 CC CEV 0.72max Min 0.44 0.10 0.50 - - - - - - - - - 1.10

Pcm 0.55max Max 0.49 0.40 0.80 0.030 0.025 0.40 0.40 0.10 - - - - 1.80

047A IC CEV 0.76max Min 0.46 0.15 0.50 - 0.020 - - - - - - 0.015 -

Pcm 0.6max Max 0.50 0.40 0.80 0.030 0.030 0.25 0.25 0.10 0.100 0.005 0.25 0.030 -

C45 EN ISO 683-1 Std CEV max Min 0.42 0.10 0.50 - - - - - - - - - -

Pcm max Max 0.50 0.40 0.80 0.045 0.045 0.40 0.40 0.10 - - 0.30 - -

The Di-value is in inches.

Mechanical Properties

Variant Condition Format Dimension [mm] Yield strength min [MPa] Tensile strength [MPa] Elongation A5 [%] Reduction of area Zmin [%] Hardness Impact (ISO-V) strengthmin

Rp0.2 * Reh, ** Rel

SB1672 < 16 320** 590-740 14 - 165-220 HB -

16 < 40 310** 590-740 14 - 165-220 HB -

40 < 63 300** 590-740 14 - 165-220 HB -

63 < 120 280** 590-740 14 - 165-220 HB -

5081 +AR Round bar 20 < 160 - - - - < 230 HB -

+QT Round bar 20 < 40 430** 650-800 16 40 190-240 HB 20 °C 25 J (long)

Round bar 40 < 100 370** 630-780 17 45 185-235 HB 20 °C 25 J (long)

5155 +AR Round bar 25 < 180 - - - - < 230 HB -

+QT Round bar 25 < 40 430** 650-800 16 40 190-240 HB 20 °C 25 J (long)

Round bar 40 < 100 370** 630-780 17 45 185-235 HB 20 °C 25 J (long)

047A +U Tube,wall 10 < 36 320 650 typical 16 - 200 HB typical -

Tube,wall 36 < 60 300 630 typical 16 - 200 HB typical -

Tube,wall > 60 280 600 typical 16 - 200 HB typical -

Round bar 10 < 36 320 650 typical 16 - 200 HB typical -

Round bar 36 < 60 300 630 typical 16 - 200 HB typical -

Round bar < 60 280 600 typical 16 - 200 HB typical -

+N Tube,wall < 10 320 660 typical 16 - 190 HB typical -

Tube,wall 10 < 50 300 630 typical 16 - 190 HB typical -

Tube,wall < 50 280 600 typical 16 - 190 HB typical -

Round bar < 10 320 660 typical 16 - 190 HB typical -

Round bar 10 < 50 300 630 typical 16 - 190 HB typical -

Round bar < 50 280 600 typical 16 - 190 HB typical -

+QT Tube,wall 10 < 40 370 690-770 14 - 210-240 HB -

Round bar 10 < 40 370 690-770 14 - 210-240 HB -

Transformation temperatures

Temperature °C

MS 305

AC1 725

AC3 760

Heat treatment recommendations

Treatment Condition Temperature cycle Cooling/quenching

Hot forging +U
800-1150°C

In still air

Normalizing +N
840-870°C

In still air

Soft annealing +SA
650-700°C

In still air

Stress relieve annealing +SRA
550-650°C

In still air

Quench & Tempering +QT
840-870°C

In oil Temper immediately

Quench & Tempering +QT
820-850°C

In water Temper immediately

Induction or Flame hardening I-F
870-900°C

In oil Temper immediately

Hardenability

Other properties (typical values)

Youngs module (GPa) Poisson´s ratio (-) Shear module (GPa) Density (kg/m3)

210 0.3 80 7800

Average CTE 20-300°C (µm/m°K) Specific heat capacity 50/100°C (J/kg°K) Thermal conductivity Ambient temperature (W/m°K) Electrical resistivityAmbient temperature (µΩm)

12 460 - 480 40 - 45 0.20 - 0.25

If you need product information or price, please fill in your contact information in the form below, we will usually contact you within 12 hours. You could also email me info@lyapm.com to get prompt reply.

Variant	Cast	Weldability		C %	Si %	Mn %	P %	S %	Cr %	Ni %	Mo %	V %	Ti %	Cu %	Al %	DI %
SB8673	CC	CEV 0.71max	Min	0.46	0.15	0.70	-	0.020	0.25	0.10	-	-	-	-	0.020	1.70
Pcm 0.55max	Max	0.49	0.35	0.80	0.020	0.035	0.30	0.20	-	-	-	0.25	0.040	2.00
SB1672	CC	CEV 0.72max	Min	0.42	0.10	0.50	-	0.020	-	-	-	-	-	-	-	1.10
Pcm 0.55max	Max	0.50	0.40	0.90	0.045	0.045	0.40	0.40	0.10	-	-	-	-	1.80
SB1671	CC	CEV 0.58max	Min	0.42	0.15	0.50	-	0.035	-	-	-	-	-	-	-	1.20
Pcm 0.51max	Max	0.50	0.40	0.80	0.045	0.050	-	-	-	-	-	-	-	1.60
5081	CC	CEV 0.72max	Min	0.42	0.10	0.50	-	0.020	-	-	-	-	-	-	-	1.10
Pcm 0.55max	Max	0.50	0.40	0.90	0.030	0.035	0.40	0.40	0.10	-	-	-	-	1.80
5155	CC	CEV 0.72max	Min	0.44	0.10	0.50	-	-	-	-	-	-	-	-	-	1.10
Pcm 0.55max	Max	0.49	0.40	0.80	0.030	0.025	0.40	0.40	0.10	-	-	-	-	1.80
047A	IC	CEV 0.76max	Min	0.46	0.15	0.50	-	0.020	-	-	-	-	-	-	0.015	-
Pcm 0.6max	Max	0.50	0.40	0.80	0.030	0.030	0.25	0.25	0.10	0.100	0.005	0.25	0.030	-
C45 EN ISO 683-1	Std	CEV max	Min	0.42	0.10	0.50	-	-	-	-	-	-	-	-	-	-
Pcm max	Max	0.50	0.40	0.80	0.045	0.045	0.40	0.40	0.10	-	-	0.30	-	-

Variant	Condition	Format	Dimension [mm]	Yield strength min [MPa]	Tensile strength [MPa]	Elongation A5 [%]	Reduction of area Zmin [%]	Hardness	Impact (ISO-V) strengthmin
Rp0.2 * Reh, ** Rel
SB1672			< 16	320**	590-740	14	-	165-220 HB	-
	16 < 40	310**	590-740	14	-	165-220 HB	-
	40 < 63	300**	590-740	14	-	165-220 HB	-
	63 < 120	280**	590-740	14	-	165-220 HB	-
5081	+AR	Round bar	20 < 160	-	-	-	-	< 230 HB	-
+QT	Round bar	20 < 40	430**	650-800	16	40	190-240 HB	20 °C 25 J (long)
Round bar	40 < 100	370**	630-780	17	45	185-235 HB	20 °C 25 J (long)
5155	+AR	Round bar	25 < 180	-	-	-	-	< 230 HB	-
+QT	Round bar	25 < 40	430**	650-800	16	40	190-240 HB	20 °C 25 J (long)
Round bar	40 < 100	370**	630-780	17	45	185-235 HB	20 °C 25 J (long)
047A	+U	Tube,wall	10 < 36	320	650 typical	16	-	200 HB typical	-
Tube,wall	36 < 60	300	630 typical	16	-	200 HB typical	-
Tube,wall	> 60	280	600 typical	16	-	200 HB typical	-
Round bar	10 < 36	320	650 typical	16	-	200 HB typical	-
Round bar	36 < 60	300	630 typical	16	-	200 HB typical	-
Round bar	< 60	280	600 typical	16	-	200 HB typical	-
+N	Tube,wall	< 10	320	660 typical	16	-	190 HB typical	-
Tube,wall	10 < 50	300	630 typical	16	-	190 HB typical	-
Tube,wall	< 50	280	600 typical	16	-	190 HB typical	-
Round bar	< 10	320	660 typical	16	-	190 HB typical	-
Round bar	10 < 50	300	630 typical	16	-	190 HB typical	-
Round bar	< 50	280	600 typical	16	-	190 HB typical	-
+QT	Tube,wall	10 < 40	370	690-770	14	-	210-240 HB	-
Round bar	10 < 40	370	690-770	14	-	210-240 HB	-

	Temperature °C
MS	305
AC1	725
AC3	760

Treatment	Condition	Temperature cycle	Cooling/quenching
Hot forging	+U	800-1150°C	In still air
Normalizing	+N	840-870°C	In still air
Soft annealing	+SA	650-700°C	In still air
Stress relieve annealing	+SRA	550-650°C	In still air
Quench & Tempering	+QT	840-870°C	In oil Temper immediately
Quench & Tempering	+QT	820-850°C	In water Temper immediately
Induction or Flame hardening	I-F	870-900°C	In oil Temper immediately

Youngs module (GPa)	Poisson´s ratio (-)	Shear module (GPa)	Density (kg/m3)
210	0.3	80	7800
Average CTE 20-300°C (µm/m°K)	Specific heat capacity 50/100°C (J/kg°K)	Thermal conductivity Ambient temperature (W/m°K)	Electrical resistivityAmbient temperature (µΩm)
12	460 - 480	40 - 45	0.20 - 0.25

1. Stock view



2. Processing and Technology for heating processing

Cutting processing   Quenching   Tempering Annealing



3. Quality testing

1.      Inspection Institution

Shanghai Fuda Testing Technology Group Co., LTD. Nanjing Branch

Focus on analysis, testing, testing, r & D four service areas. Analysis fields include component analysis, formula analysis, failure analysis, structure analysis, methodology development and validation, raw material quality control/evaluation, consistency evaluation, feature analysis and other directions; The testing field involves physical and chemical properties testing, toxic and harmful substances testing, flame retardant performance testing, reliability testing and other directions; The testing field involves energy spectrum, electron microscope, spectrum, chromatography, mass spectrometry and other directions; The r&d field involves formula development, formula upgrading, formula customisation, cooperative research and development and other directions.

Beijing Zhongke Chemical Technology Research Institute

It is a chemical technology research institution based on scientific research and testing. They adhere to paying equal attention to basic research and applied research, and combining applied research and technology transformation, developing into a comprehensive research institute characterised by "task-oriented disciplines". Approved by the relevant national departments, the company has become a third-party analysis and testing technology service unit, and has obtained CMA qualification certification. It has carried out research and development and design, analysis and testing, test and verification, generic processing, information and intellectual property services, providing public services for innovation of technology-based enterprises. Supported by the government innovation Fund, the institute has been awarded as a national high-tech enterprise.



2.Inspection Machining

   Metal composition testing machine   Computerised Materials Torsion Testing Machine   Metal bar composite rod bending tensile strength testing machine

3. Material test certificate

4. Packaging

  In the steel export activities, we also need to pack the steel to prevent the steel from being scattered in the transportation process. In the hoisting process, it is necessary to lift the steel. So steel is very necessary in the export process. Below is the picture of packaging：



According to the requirements of the state of steel materials, the use of binding, bare, frame, pallet.

Packing standard: according to the following national standard requirements (the parts beyond the requirements will be specified separately)

GB／T191 packaging-pictorial marking for handling of goods

GB／T4857 (all parts) basic test for transport packages

GB／T4879 rustproof packaging

GB／T5048 damp-proof packing

GB／T7350water-proof packing

GB／T8166 Package cushioning design

GB/T4892-1996  Hard straight square transport packaging size series

GB/T13201-91 Cylinder transport package size series

GB/T16471-1996Design and make the size limit of transport package

5. Logistic



By SEA By Air By Express

If you need product information or price, please fill in your contact information in the form below, we will usually contact you within 12 hours. You could also email me info@lyapm.com to get prompt reply.

Customer Feedback:

Comments

HOT FAQ:

Q1. Where is your factory ?

A1: Our company’s processing center is located in Shanghai, China.Which is well equipped with kinds of machines, such as laser cutting machine,mirror polishing machine and so on.We can provide a wide range of personalized services according to the customers’ needs.

Q2. What are your company's main products ?

A2: We are professional one-stop meta supplier for Aluminium/ steel/ stainless steel/ copper etc.

Q3. How do you control quality ?

A3: Mill Test Certification is supplied with shipment, Third Party Inspection is available.

Q4. What are the advantages of your company ?

A4: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.

Q5. How many coutries you already exported ?

A5: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt,Turkey, Jordan, India, etc. We are based in Shanghai, China, start from 2019,sell to Southeast Asia(50.00%),South America(10.00%),North America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),Northern Europe(5.00%),Domestic Market(15.00%),Mid East(10.00%). There are total about 11-50 people in our office.

Q6. Can you provide sample ?

A6: Small samples in store and can provide the samples for free.

Customized samples will take about 5-7days.

Q7Could we visit your factory?

A7: Sure, we welcome you to visit the factory , check our production lines and know more about our strength and quality.

Q8: Do you have quality control system?

A8: Yes, we have ISO, BV, SGS certifications and our own quality control laboratory.

Q9: Can you arrange the shipment for us?

A9: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earliest vessel and professional service.

Q10: How long is the delivery time?

A10: Generally it is 7 days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.

Q11: Can I get some samples?

A11: We are glad to provide free samples to you, but we do not offer the freight.

Q12: What is your after-sale service?

A12: We provide after-sale service and offer 100% guarantee on our products.

Q13: What is your MOQ?

A13: Depend on the request material, sometimes for customized one have MOQ.

Q14: why should you buy from us not from other suppliers?

Luoyue precision metals (Shanghai) Co., Ltd. is located in Shanghai, China. It is one of the most professional metal material suppliers in China, providing nearly 100 kinds of metal materials, from raw materials to CNC processing

Q15: what services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, DDP, Express Delivery

Accepted Payment Currency:USD,EUR,JPY,CAD,GBP,CNY;

Accepted Payment Type: T/T,L/C,D/P D/A

Language Spoken:English,Chinese,Spanish

Supply Ability

500 Ton/Tons per Month

Packaging & Delivery

Airworthy package. Waterproof cloth, wooden case, craft paper and steel belt packing.

Port: shanghai