What does 1.4301 mean?
AISI 304 (1.4301) is a widely-used austenitic chromium-nickel stainless steel. It has excellent drawing properties and very good formability, while it is also highly corrosion-resistant.

AISI 304 (1.4301) is a widely-used austenitic chromium-nickel stainless steel. It has excellent drawing properties and very good formability, while it is also highly corrosion-resistant. Typical uses of 304 stainless steel include sinks, kitchen equipment such as pans, tubing and much more.


Type 304 is sometimes also referred to as 18/8, a moniker that comes from its typical composition of 18% chromium and 8% nickel. Other elements in the alloy include nickel, manganese, silicon, nitrogen, carbon, phosphorus, and sulphur.

EN 1.4301 / AISI 304

Euronorm	Nom.	AISI / ASTM / UNS
1.4301	X5CrNi18-10	304

CHEMICAL COMPOSITION

Grades	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	Cu	Other
ACX 109	<=0.070	<=0.75	<=2.00	<=0.040	0.020-0.030	18.00-19.00	8.00-9.00	-	-	-	N(ppm)<1100
ACX 120	<=0.070	<=0.75	<=2.00	<=0.040	<=0.015	17.50-19.00	8.00-10.00	-	-	-	-
ACX 125	<=0.070	<=0.75	<=2.00	<=0.040	<=0.030	18.00-19.00	8.00-9.00	-	-	-	N(ppm)<1100
ACX 126	<=0.070	<=0.75	<=2.00	<=0.040	<=0.030	18.00-19.00	8.50-9.50	-	-	-	N(ppm)<700
ACX 140	<=0.050	<=0.75	<=2.00	<=0.040	<=0.015	17.50-19.00	8.00-10.00	-	-	-	-
ACX 150	<=0.030	<=0.75	<=2.00	<=0.040	<=0.015	17.50-19.00	8.00-10.00	-	-	-	-
ACX 160	<=0.030	<=0.75	<=2.00	<=0.040	<=0.015	18.00-19.00	8.00-10.00	-	-	-	-

Equivalents and other designations of AISI 304

The following are all equivalents of AISI 304:

X5CrNi18-10, EN 1.4301, DIN 1.4301, UNS S30400, BS 304S15, BS 304S16, BS 304S31, BS EN58E

Properties of AISI 304

The table below shows some of the most common material properties of AISI 304.

	304 (Typical values at 20°C)	304 Annealed (Typical values at 20°C)
Density	8 g/cm³
Elastic modulus	193 GPa	200 GPa
Hardness, Brinell	215 HB
Tensile strength	500-700 MPa	590 MPa
Yield strength	190 MPa	240 MPa
Elongation	40%
Coefficient of thermal expansion	1.72E-5 1/K
Thermal conductivity	16.2 W/(m·K)
Melting point	1450°C
Specific heat capacity	500 J/(kg·K)
Electrical resistivity	0.73 x 106 Ω·m

EN 1.4301 Stainless Steel (X5CrNi18-10)

DIN EN 1.4301 stainless steel (X5CrNi18-10) is a conventional austenitic stainless steel with good resistance to atmospheric, organic and inorganic chemicals. This material is widely used due to its excellent intergranular corrosion resistance, good cold deformability, good deep drawability and weldability.

1.4306 (X2CrNi19-11) and 1.4307 (X2CrNi18-9) are ultra-low carbon versions of 1.4301. The purpose is to improve the corrosion resistance after welding and prevent carbide precipitation caused by stress relief for a long time.

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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

       

1. Company profile

Luoyue Precision Metal established in 2018, is a leading Stockists and global distributor for Metal Raw Materials like Steel/Aluminum/ Stainless steel/Copper/ Nickel Rods, Bars, Plates, Sheets,Pipes, fittings, fasteners, Inconel alloys, Wire and Wire-Mesh to customers from aerospace, automotive, electronics, precision manufacturing, ordnance, marine, shipbuilding, oil & gas, power plant and construction.

The company has a high-precision, high-efficiency modern processing site, CNC machine tools and complete testing and inspection technology, and introduces international advanced technologies.

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          3. Our customers 

                 Customer visits 

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   1.Customer Rating

       

FAQ
1. Q: Are you a manufacturer?  
 A:No, we are not manufacturers. We have our own warehouse and our own company. I believe we will be the most suitable supplier for you.  
2. Could we visit your factory?  
 A: Sure, we welcome you to visit the factory , check our production lines and know more about our strength and quality.  
3. Q: Do you have quality control system?  
 A: Yes, we have ISO, BV, SGS certifications and our own quality control laboratory.  
4. Q: Can you arrange the shipment for us?  
 A: 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.
5. Q: How long is the delivery time?  
 A: 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.  
6. Q: Can I get some samples?  
 A: We are glad to provide free samples to you, but we do not offer the freight.  
7. Q: What is your after-sale service?  
 A: We provide after-sale service and offer 100% guarantee on our products.  
8. Q: What is your MOQ?  
 A: 2 Tons  

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