Padrão
AISI, ASTM, bs, DIN, Gb: gb, JIS
Lugar de origem
Hubei, China
Aplicação
Barra de Aço para Ferramentas
Product Name
Hot forged alloy steel round bar hot working 4140 tool steel
Grade
SAE 4140 Forged Round Bar
Surface treatment
Black/Grinded/Machined/Turned
Production route
EF/EAF+LF+VD/ESR
Quality inspection
UT, Chemical test, Microstructure, Physical properties etc.
UT test standard
SEP1921-84 class3 C/c to D/d
Service
24 Hours Online and Free Sample
Delivery Condition
Hot forged or Rough machined
Heat Treatment
Annealed/Quenching/Tempering
Embalagem
All products are in standard seaworthy packing, steel wire and steel strips bundled. For black surface products, they are covered with tarps, then tightened by scotch tape. For machined products, they are coated with anti-rust oil first, then covered by plastic film, finally is covered with tarps and tightened by scotch tape.
Porto
Wuhan/Shanghai/Tianjin/Shenzhen