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Key point–Water cooling for steel bars Each piece of metal need to be hardened during manufacturing, so hardening is also an important procedure during steel bar hardening and tempering process. If the hardening is not good, the steel bar after hardening and tempering will have deformation....Read more »

What’s the hardness of S45C after heat treatment ? What’s the hardness of S45C after heat treatment ? Usually we do quenching and tempering double heat treatment for S45C material. The hardness is not more than HRC40, the best is 35 to 38. Such as shafts, gears, are S45C quenching and...Read more »

N80, P110, Q125, Steel pipe, casing pipe induction heat treatment furnace With the increasing difficulty of oil exploration, well deepening deepening of the oil well pipe, the strength level requirements are getting higher and higher, J55 steel grade casing has gradually failed to meet the requir...Read more »

Long axis (tube) induction heat treatment equipment  Long axis (tube) induction heat treatment equipment is more suitable for the larger shaft surface quenching and tempering heat treatment like ø30-500mm diamter. According to customer requirements, the hardened layer depth can be controlled with...Read more »

What is hardened and tempered steel? How many kinds of hardened and tempered steel? Hardened and tempered steel refers to the heat treatment after quenching and high temperature tempering, which is used for mechanical parts. Heat treatment for harden end and tempered steel is not limited to induc...Read more »

Hardening and tempering heat treatment for 6 meter bars With the capacity increasing, many customers are considering buying induction hardening and tempering equipment to do heat treatment in their own plant. Before they are sending their steel bars to the local heat treatment plant to do heat tr...Read more »

Invest Forever hardening and tempering furnace for steel pipe heat treating , your best choice! 2017 is a new era of environmental protection and energy saving, Forever hardening and tempering furnace for steel pipe heat treating is green product which follows a new era of green, environmental pr...Read more »

How to produce grinding balls with Forever grinding ball production line? As we all know, according to the different production process, the grinding balls is divided into hot rolled steel balls, forging steel balls and casting steel balls. The application field is different, and the grinding bal...Read more »