EN 1.4436 (X3CrNiMo17-13-3) Stainless Steel
EN 1.4436 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the solution annealed (AT) condition. 1.4436 is the EN numeric designation for this material. X3CrNiMo17-13-3 is the EN chemical designation.


This material is well established: the Further Reading section below cites a number of published standards, and that list is not necessarily exhaustive.


The graph bars on the material properties cards below compare EN 1.4436 stainless steel to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Chemical composition %   of   steel   X3CrNiMo17-13-3 (1.4436):   EN 10088-2-2005

Particular ranges of sulphur content may provide improvement of particular properties. For machinability a controlled sulphur content of 0.015 % to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008 % to 0.030 % is recommended and permitted. For polishability, a controlled sulphur content of 0.015 % max is recommended. Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.

C	Si	Mn	Ni	P	S	Cr	Mo	N
max   0.05	max   1	max   2	10.5 - 13	max   0.045	max   0.015	16.5 - 18.5	2.5 - 3	max   0.11

Mechanical properties of   steel   X3CrNiMo17-13-3 (1.4436)

Rm - Tensile strength (MPa) (+A)	500-730

Rm - Tensile strength (MPa) (+AT)	510-710

Rm - Tensile strength (MPa) (+AT+C)	790-830

Rp0.2 0.2% proof strength (MPa) (+A)	200-240

Rp0.2 0.2% proof strength (MPa) (+AT)	205

The steel grade X3CrNiMo17-13-3 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessels. The corrosion behaviour of the steel is similar to 1.4401. Slightly improved resistance to selective attack due to the higher Mo-content. The material is resistant to intercrystalline corrosion (ic) in delivery condition, in sensitized condition for cross sections up to 40 mm resistance to ic for cross sections up to 40 mm if the sensitization treatment of 10 min. has been carried out at 650°C +/- 10°C with subsequent cooling.

X3CrNiMo17-13-3 - Detail

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Mechanical properties of grade X3CrNiMo17-13-3 NF EN 10028-7

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
546 (≥)	688 (≥)	41	22	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	221

Physical properties of grade X3CrNiMo17-13-3 NF EN 10028-7

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
658 (≥)	345 (≥)	32	24	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	143
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2

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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.

   

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    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 

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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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