51CrV4 / 1.8159 Spring Steel - EN 10083 Material-Luoyue Precision Metal

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Chemical composition

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

593Q IC CEV 1.02max Min 0.49 0.20 0.85 - - 1.00 0.15 0.05 0.100 - - -

Pcm 0.69max Max 0.53 0.30 1.00 0.025 0.002 1.15 0.25 0.10 0.200 - - -

593B IC CEV 1.02max Min 0.49 0.20 0.85 - 0.015 1.00 0.15 0.05 0.100 - - -

Pcm 0.69max Max 0.53 0.30 1.00 0.025 0.030 1.15 0.25 0.10 0.200 - - -

SB4292 CC 7.6 CEV 1.01max Min 0.51 0.25 1.00 - - 1.10 - - 0.120 - - -

Pcm 0.7max Max 0.54 0.40 1.10 0.015 0.015 1.20 0.20 0.06 0.200 0.010 0.25 0.010

SB4290 CC CEV 0.99max Min 0.51 0.25 0.95 - - 1.10 - - 0.100 - - 0.015

Pcm 0.68max Max 0.55 0.40 1.10 0.020 0.015 1.20 0.20 0.05 0.200 0.010 0.25 0.040

SB4282 CC CEV 0.93max Min 0.51 0.20 0.85 - - 0.95 - - 0.100 - - -

Pcm 0.66max Max 0.54 0.30 0.95 0.025 0.025 1.10 0.20 0.06 0.150 0.040 0.25 0.040

SB4212 CC CEV 0.89max Min 0.48 0.20 0.85 - - 0.95 - - 0.100 - - -

Pcm 0.62max Max 0.51 0.30 0.95 0.025 0.025 1.05 0.20 0.05 0.150 0.040 0.25 0.022

7408 CC 6.09 CEV 0.93max Min 0.47 0.20 0.70 - - 0.95 - - 0.100 - - -

Pcm 0.65max Max 0.55 0.30 1.10 0.025 0.025 1.20 0.30 0.06 0.250 0.040 0.25 0.050

51CrV4 EN10089:2002 Std CEV max Min 0.47 - 0.70 - - 0.90 - - 0.100 - - -

Pcm max Max 0.55 0.40 1.10 0.025 0.025 1.20 - - 0.250 - - -

Mechanical Properties

SB4292 +AR Flat bar 30 < 56 - - - - < 385 HB -

Flat bar 30 < 56 - - - - 328 HB typical -

Round bar 30 < 70 - - - - < 400 HB -

Round bar 30 < 70 - - - - 365 HB typical -

+QT Flat bar 30 < 56 1220** 1330-1620 6 30 - 20 °C 16 J (long)

+S All formats - - - - - 256 HB typical -

SB4290 +AR All formats - - - - - < 385 HB -

All formats - - - - - 339 HB typical -

+S All formats - - - - - 244 HB typical -

+QT Flat bar 24 < 56 1250** 1420-1800 6 30 - 20 °C 8 J (long)

SB4282 +AR All formats - - - - - < 400 HB -

Flat bar 5 < 15 - - - - 351 HB typical -

Flat bar 15 < 30 - - - - 339 HB typical -

Flat bar 30 < 56 - - - - 326 HB typical -

Round bar 5 < 30 - - - - 355 HB typical -

Round bar 30 < 73 - - - - 338 HB typical -

SB4212 +AR Flat bar < 30 - - - - < 385 HB -

Flat bar < 30 - - - - 340 HB typical -

7408 +AR Round bar 25 < 160 - - - - < 420 HB -

+A Round bar 25 < 160 - - - - < 248 HB -

+QT Round bar 25 < 100 700 900-1100 15 50 - -

51CrV4 EN10089:2002 +S All formats - - - - - < 280 HB -

+A All formats - - - - - < 248 HB -

+AC All formats - - - - - < 230 HB -

+QT All formats - 1200 1350-1650 6 30 - 20 °C 8 J (long)

Transformation temperatures

Temperature °C

MS 273

AC1 738

AC3 778

Heat treatment recommendations

Treatment Condition Temperature cycle Cooling/quenching

Hot forging +AR
Soaking 800-1100oC

In still air

Normalizing +N
Soaking at 840-880oC

In still air

Soft annealing +A
Soaking at 730-750oC for 2 hrs

20oC/h to 650oC and then in still air

Stress relieve annealing +SRA
Soaking at 550-650oC

In still air

Hardening +QO
Soaking at 830-860oC

Quenching in oil

Tempering +QT
Tempering 380-680oC for 1 h

In air

Steel cleanliness

Micro inclusions - 593B Macro inclusions - 593B

Applied standard ASTM 45 Applied standard
ISO 3763 (Blue fracture)
Statistical testing on billets

Sampling ASTM A295 Sampling

Maximum average limits A B C D Limits < 5 mm/dm2

Th He Th He Th He Th He

2.5 1.5 1.5 0.5 0 0 1.0 0.5

Micro inclusions - IQ - 593Q Macro inclusions - IQ - 593Q

Applied standard DIN 50602 K1 Applied standard
ISO 3763

(Blue fracture)

10 M Hz UST

(Ovako internal procedure)

Sampling Six random samples from final product dimension Sampling Statistical testing on billets

Limits
The limit is dimension dependent. The average rating of six samples should not exceed the limits given in the graph
Limits
< 1mm

/dm2

<5 defects /dm3

> 0.2 mm FBH

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

Variant	Cast	Di	Weldability		C %	Si %	Mn %	P %	S %	Cr %	Ni %	Mo %	V %	Ti %	Cu %	Al %
593Q	IC		CEV 1.02max	Min	0.49	0.20	0.85	-	-	1.00	0.15	0.05	0.100	-	-	-
Pcm 0.69max	Max	0.53	0.30	1.00	0.025	0.002	1.15	0.25	0.10	0.200	-	-	-
593B	IC		CEV 1.02max	Min	0.49	0.20	0.85	-	0.015	1.00	0.15	0.05	0.100	-	-	-
Pcm 0.69max	Max	0.53	0.30	1.00	0.025	0.030	1.15	0.25	0.10	0.200	-	-	-
SB4292	CC	7.6	CEV 1.01max	Min	0.51	0.25	1.00	-	-	1.10	-	-	0.120	-	-	-
Pcm 0.7max	Max	0.54	0.40	1.10	0.015	0.015	1.20	0.20	0.06	0.200	0.010	0.25	0.010
SB4290	CC		CEV 0.99max	Min	0.51	0.25	0.95	-	-	1.10	-	-	0.100	-	-	0.015
Pcm 0.68max	Max	0.55	0.40	1.10	0.020	0.015	1.20	0.20	0.05	0.200	0.010	0.25	0.040
SB4282	CC		CEV 0.93max	Min	0.51	0.20	0.85	-	-	0.95	-	-	0.100	-	-	-
Pcm 0.66max	Max	0.54	0.30	0.95	0.025	0.025	1.10	0.20	0.06	0.150	0.040	0.25	0.040
SB4212	CC		CEV 0.89max	Min	0.48	0.20	0.85	-	-	0.95	-	-	0.100	-	-	-
Pcm 0.62max	Max	0.51	0.30	0.95	0.025	0.025	1.05	0.20	0.05	0.150	0.040	0.25	0.022
7408	CC	6.09	CEV 0.93max	Min	0.47	0.20	0.70	-	-	0.95	-	-	0.100	-	-	-
Pcm 0.65max	Max	0.55	0.30	1.10	0.025	0.025	1.20	0.30	0.06	0.250	0.040	0.25	0.050
51CrV4 EN10089:2002	Std		CEV max	Min	0.47	-	0.70	-	-	0.90	-	-	0.100	-	-	-
Pcm max	Max	0.55	0.40	1.10	0.025	0.025	1.20	-	-	0.250	-	-	-


SB4292	+AR	Flat bar	30 < 56	-	-	-	-	< 385 HB	-
Flat bar	30 < 56	-	-	-	-	328 HB typical	-
Round bar	30 < 70	-	-	-	-	< 400 HB	-
Round bar	30 < 70	-	-	-	-	365 HB typical	-
+QT	Flat bar	30 < 56	1220**	1330-1620	6	30	-	20 °C 16 J (long)
+S	All formats	-	-	-	-	-	256 HB typical	-
SB4290	+AR	All formats	-	-	-	-	-	< 385 HB	-
All formats	-	-	-	-	-	339 HB typical	-
+S	All formats	-	-	-	-	-	244 HB typical	-
+QT	Flat bar	24 < 56	1250**	1420-1800	6	30	-	20 °C 8 J (long)
SB4282	+AR	All formats	-	-	-	-	-	< 400 HB	-
Flat bar	5 < 15	-	-	-	-	351 HB typical	-
Flat bar	15 < 30	-	-	-	-	339 HB typical	-
Flat bar	30 < 56	-	-	-	-	326 HB typical	-
Round bar	5 < 30	-	-	-	-	355 HB typical	-
Round bar	30 < 73	-	-	-	-	338 HB typical	-
SB4212	+AR	Flat bar	< 30	-	-	-	-	< 385 HB	-
Flat bar	< 30	-	-	-	-	340 HB typical	-
7408	+AR	Round bar	25 < 160	-	-	-	-	< 420 HB	-
+A	Round bar	25 < 160	-	-	-	-	< 248 HB	-
+QT	Round bar	25 < 100	700	900-1100	15	50	-	-
51CrV4 EN10089:2002	+S	All formats	-	-	-	-	-	< 280 HB	-
+A	All formats	-	-	-	-	-	< 248 HB	-
+AC	All formats	-	-	-	-	-	< 230 HB	-
+QT	All formats	-	1200	1350-1650	6	30	-	20 °C 8 J (long)

	Temperature °C
MS	273
AC1	738
AC3	778

Treatment	Condition	Temperature cycle	Cooling/quenching
Hot forging	+AR	Soaking 800-1100oC	In still air
Normalizing	+N	Soaking at 840-880oC	In still air
Soft annealing	+A	Soaking at 730-750oC for 2 hrs	20oC/h to 650oC and then in still air
Stress relieve annealing	+SRA	Soaking at 550-650oC	In still air
Hardening	+QO	Soaking at 830-860oC	Quenching in oil
Tempering	+QT	Tempering 380-680oC for 1 h	In air

Micro inclusions - 593B		Macro inclusions - 593B
Applied standard	ASTM 45		Applied standard	ISO 3763 (Blue fracture) Statistical testing on billets
Sampling	ASTM A295		Sampling
Maximum average limits	A	B	C	D		Limits	< 5 mm/dm2
Th	He	Th	He	Th	He	Th	He
2.5	1.5	1.5	0.5	0	0	1.0	0.5

Micro inclusions - IQ - 593Q		Macro inclusions - IQ - 593Q
Applied standard	DIN 50602 K1		Applied standard	ISO 3763 (Blue fracture)	10 M Hz UST (Ovako internal procedure)
Sampling	Six random samples from final product dimension		Sampling	Statistical testing on billets
Limits	The limit is dimension dependent. The average rating of six samples should not exceed the limits given in the graph		Limits	< 1mm /dm2	<5 defects /dm3 > 0.2 mm FBH

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, we will usually contact you within 12 hours. You could also email me info@lyapm.com to get prompt reply.

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