Austenitic Stainless Steel 347H belongs to high-carbon Cr-Ni austenitic stainless steel containing niobium, due to the stabilizing element Nb, its stability is very strong, good resistance to intergranular corrosion and resistance to acid stress corrosion, with good weldability, high-temperature strength and plasticity, is widely used in the boiler, power generation, petroleum, chemical…
Recently, an international standardㄗIron ores — Determination of chromium content — Flame atomic absorption spectrometric method) in the field of chemical analysis of iron ore led by China has been officially approved for the establishment of the project (ISO/AWI 15634) by the International Organization for Standardization (ISO). This international standard…
Through optimizing temperature control process the mechanical properties of wire rod can be improved. According to the wire rod organization mechanism transformation during production, combined with the requirements of the production conditions of each steel specification, targeted adjustment of the heating temperature, spitting temperature and the operation of cooling fans can…
High-aluminium steel production technology High-aluminium steel with high strength, high toughness, low density, low cost and other advantages, widely used in automotive, energy and other key industries. However, with the substantial increase in the aluminium content of high-alumina steel, its production difficulty increases steeply, especially in the continuous casting of…
SME actively encourages our talents to explore and study advance technology and products all the time. Three engineers win a national patent for the invention relates to a device for preparing crystals by pyrolysis and magnetic separation and a method for preparing zirconia using the device. SME praises them for…
The state of rolling mill will influence the operation of the whole production line, it is necessary to do routine maintenance for smooth operation of the whole line. (1) Keep that all lubrication stations operate normally and the pipeline has no leakage; (2) Hydraulic stations work steady, the pipeline has…
Two new national standards will be performed in February 2024 YB/T 6110-2023 Hot rolled steel plates and strips of chromium-manganese-nickel-nitrogen austenitic stainless steel This document specifies the chromium – manganese – nickel – nitrogen austenitic stainless steel hot rolled steel plate and steel strip order content, grade, size, shape, weight,…
How is the subcutaneous bubble of continuous casting billet formed? Under the skin of the billet there are large bubbles growing in the direction of columnar crystals with diameter and length of more than 1 mm and 10 mm respectively. These bubbles, such as those exposed to the outside, are…
During production and operation process of induction furnace, every operator shall observe the key dangerous factors and do good protection for himself and others. Explosion risk Medium frequency furnace due to refractory masonry or baking is not qualified, serious corrosion of the furnace lining, cooling water pipe defects or water…
