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The regulated index of linear expansion, in a fairly wide range of temperatures (from minus seventy to plus three hundred and thirty degrees Celsius) for such a precision material as the 47HXR alloy ranges from eight and a half to eleven units per degree. Due to such a feature, such raw materials are suitable for use in different climatic conditions, in the manufacture of highly accurate measuring instruments that do not respond to temperature fluctuations by changing the dimensions.

Properties

Chemical composition as a percentage
silicon carbon iron manganese phosphorus sulfur nickel Boron chromium
Up to 0,3 Up to 0.05 45.2−49.5 Up to 0,4 Up to 0,015 Up to 0,015 46−48 Up to 0.02 4,5−6
physical characteristics
Name Units Symbol The numerical value
Elastic modulus MPa Ex10 -5 1.4
Measurement temperature ° C T 20
Electrical resistance (specific) Omxm Rx10 9 900
Mechanical properties (at 20 ° C)
Name of the characteristic The numerical value of the parameter for the products
Short-term tensile strength, MPa (ss) 450−550
Relative elongation at break,% (d5) 25
Heat treatment annealing

Weldability indexes

The alloy has limitations on weldability The welding process requires some preliminary preparation (warming the contacting surfaces to one hundred and one hundred and twenty degrees and subsequent heat treatment of the seam zone)
The alloy has no weld constraints No additional operations are required
Hard to weld material It is necessary to warm the contacting surfaces to two hundred or three hundred degrees, the subsequent annealing and heat treatment after the end of the welding process

BUY AT THE OPTIMUM PRICE

Our site offers a wide range of products from precision materials. The high quality of products and the absence of intermediaries determine the most favorable conditions for the acquisition of such material as the alloy 47HXR for solving any problems of modern industry. Delivery in a short time in almost any region of the country and compliance products regulatory documents have long won the love and trust of regular customers. Due to the relatively low cost and wide range and model range of semi-finished products of the brand 47НХР they enjoy the constant demand in all spheres of production.