25CrMnSiA alloy round steel price 25CrMnSiA cold drawn steel wholesale

Recently, many areas have been affected by heavy pollution weather, and steel plants are no exception, which affects production and has a great impact on special steel. Steel pipe type steel
Thin plate B standard customized steel pipe. Poor toughness After heat treatment, strength, plasticity and toughness are all good. Gaogao Enterprises sets special specifications. Such as ultra-thin steel plates, steel pipes, steel plates, etc.
Zhejiang Jiangsu Shandong Shanxi
Hebei Henan Wuhan Hubei
Jiangxi Chengdu Ningbo Taizhou
Tianjin Northeast
Xi'an Shanghai Zhejiang Jiangsu
Shaanxi Shanxi Wenzhou Wenling
Anhui, Henan, Hebei, Hubei
Wuhan, Luoyang, Hefei, Qingdao
Shandong, Heze, Chengdu, Deyang
Nanchang, Jiangxi, Jiujiang, Hangzhou
Being down-to-earth, according to the wishes of customers, accepting the essence of heaven and earth, and having a high spirit.

It is a brand of alloy structural steel stipulated in China's national standards []. Unified digital code:.
Standard:
Chemical composition mass fraction ():
Carbon: .~
Silicon: .~
Manganese.~
Sulfur: Allowable residual content< br/> Phosphorus: Allowable residual content
Chromium: .~
Nickel allowed residual content
Copper: Allowable residual content
Mechanical properties
[Sample blank size]< br/> [Heat treatment]
Quenching heating temperature (℃): Coolant: oil
Tempering heating temperature (℃): Coolant: water, oil
[Mechanical properties]
Tensile strength:
Yield strength:
Elongation ():
Reduction of area ():
Impact energy:
Impact toughness value (/):
Brinell hardness (B/3) (annealed or high temperature tempering state): ≦
Heat treatment specifications: quenching ℃, oil cooling and tempering ℃, water cooling, oil cooling.
Delivery status: Delivery in heat treatment (normalizing, annealing or high temperature tempering) or non-heat treatment status, the delivery status should be specified in the contract.