boron steel containing

Furthermore, the TiB 2 contained more boron content compared with (Cr,Fe) 2 B in per mole, thus leading to a decrease in the total amount of borides in Ti-containing steel. Moreover, despite directly separating out from the molten steel, the TiB 2 type borides were characterized by the granular or short rod-like structures (Figs. 9, 11 ...

The microstructure of the boron-containing steel is well homogenous distributed, dense, and higher ferrite volume fractions change with boron contents. The boron-containing steel is characterized by resistance to wear, about 117 and 230% of standard AISIM2 tool steel in equilibrium and non-equilibrium production conditions, …

Abstract. Boron (B) is an effective element for facilitating liquid phase sintering (LPS) of powder metallurgy (PM) steels. However, the roles of B in the …

A Gleeble 3800 thermomechanical process physical simulator unit is used to study the structure and mechanical properties of corrosion-resistant steel with a high boron content intended for production of hexagonal pipes for exhausted nuclear fuel storage. Compression tests at room and elevated temperature show that with an increase in test temperature …

Aluminium killed low carbon steel heats were made industrially through Basic Oxygen Furnace (BOF)- Ladle Furnace (LF) followed by casting in continuous slab caster and hot rolling in Hot Strip Mill (HSM).The alloy chemistry (wt%) of the steel is shown in Table 1.Boron was added with increasing amounts in different heats to gradually …

The experimental materials were rolled bars produced by a steel plant. The manufacturing process of the experimental steel is shown in Fig. 1.There were three kinds of 20MnCr5 steels (EN10084 or DIN 17210 standard) with different contents of Nb and B, as shown in Table 1.The sulfur content was set as 0.023–0.025 wt.% in order to obtain good …

This research work studies the effect of boron additions on the hot flow behavior of an advanced ultra-high strength steel (A-UHSS). For this purpose, a low carbon A-UHSS microalloyed with ...

Since boron-containing stainless steels have a higher thermal neutron absorption capacity than SUS304, they are more suitable materials for such storage. The problem is that the hot and cold workabilities of austenitic stainless steels deteriorate with the addition of boron. It has been extremely difficult to produce boron-containing …

Born-treated steel, often simply called "boron steel" contains a small amount of ferrous boron that is added to the molten steel during the production …

This study shows that in an atmosphere containing water vapor, the oxide layer on the surface of the 9CrNB steel MarBN (Martensitic 9Cr steel strengthened by Boron and MX Nitrides) was formed by ...

Tensile specimens of Type 316L stainless steel, containing boron and having grain sizes in the range 3.1 to 103.8 μm, were deformed at 24, 400 and 700°C at a constant strain rate of 1 × 10 −4 s −1.The flow stress (б) varies with strain (ε) and grain size (d) according to the Hall-Petch (H-P) type relationship σε = a ε + b ε m d −0.5with the H …

Article 01 September 2014. Corrosion-resistant steels with a high boron content are structural materials used most often for manufacturing compact storage racks for …

ent that boron does not impart ductility to steel. The reduc-tion in area figures for the 1340 and 1038 with boron are virtually identical. However, the ductility of the low car-bon …

1.. IntroductionLow-alloyed steel containing small additions of boron (0.001–0.003 wt.%) [1], [2] has stimulated interest for several decades, due to the excellent combination of hardness and ductility and improved mechanical resistance when submitted to heat treatment.. Boron added to steel results in the formation of the precipitate Fe 23 …

The precipitates, (Cr,Fe)23(C,B)6 carbides and (Cr,Fe)2B borides, formed along the grain boundaries in a 304 austenitic stainless steel containing boron of 33 ppm after solution treatment at 1100 ...

The possibility of reducing boron from oxide boron-containing systems and its transition to steel are considered in some works [4, 6]. The aim of this work is to study the effect of direct microalloying with boron on the structure and mechanical properties of 08KP, 3SP, 3PS, and 09G2S brands.

Boron-containing steels have good hardenability in wide applications, but may exhibit defects such as transverse corner cracks in slabs after continuous casting. …

A new process of directly smelting boron steel from boron-containing pig iron has been established. The starting material boron-containing pig iron was obtained from ludwigite ore, which is very abundant in the eastern area of Liaoning Province of China. The experiment was performed in a medium-frequency induction furnace, and …

The abrasion properties of improved high boron cast steel, containing 0.3 wt % C and 3.0 wt % B were investigated with regard to the effect of quenching temperature ranging between 900 and 1050°C by Fu et al. . The abrasive wear performance of high carbon and high boron Fe–B alloy is observed in an unsatisfactory level, since these …

Boron steel is an alloy containing small amounts of boron (usually around 0.0005%) and other elements like carbon, manganese, nickel, molybdenum, chromium, and vanadium. This combination makes boron steel extremely hard and wear-resistant while maintaining good ductility and flexibility.

In addition, the neutron and γ rays shielding performance of the samples and borated stainless steel containing 1.7 wt% boron was tested by using an 241Am–Be neutron source and 60Co and 137Cs ...

Hot ductility of boron containing steel (B steel) with adding Nb (0.03 wt.%) (B–Nb steel) and B–Nb steel with adding Ti (0.0079 wt.%) (B–Nb–Ti steel) was quantified using hot tensile tests.The specimens were solution-treated at 1350 °C and cooled at 20 °C s −1 to tensile test temperature (T) in the range of 750 ≤ T ≤ 1050 °C.

Precipitate composition regulation and corrosion resistance improvement of boron-containing S31254 steels through a pre-aging treatment. Author links open overlay panel Jiayue Liu ... Because of the small atomic size and the extremely low solubility of boron in the austenitic matrix of stainless steel [20], [21], boron tends to diffuse to the ...

Series References have also indicated that there are M 23 (C, B) 6 phases in the boron-containing steel or the boron-containing weld metals [[30], [31], [32]], and showed and the formation of large M 23 (B,C) 6 phases led to the deterioration of the toughness. Boron is distributed near the original austenite grain boundary in the form of …

The beneficial effect of boron on 20CrMnTi steel containing tin and copper might be ascribed to the fact that boron segregates to grain boundaries, accelerates onset of DRX, retards austenite ...

Born-treated steel, often simply called "boron steel" contains a small amount of ferrous boron that is added to the molten steel during the production process. This small addition can dramatically increase the hardenability of the alloy. Even very low concentrations of boron, 0015 to .003 percent (on the order of 3-30 ppm), have been …

Boron is commonly added to steels to increase hardenability. Boron is added at a very low concentration of 0.0015 to 0.003 percent to increase the hardenability of low carbon steel. Boron is added to molten steel as a ferro-boron which can contain as much as 20 percent boron. The … See more

The present study examines the cyclic oxidation behaviour at 900 °C in air of sintered 316L austenitic stainless steels containing 1 wt.% yttria or 0.6 wt.% boron.The microstructures of the sintered and oxidized samples were characterised by field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDS) …