Prices of production and supply 55SiMnVB spring steel die steel special steel suppliers

Material Name: 55SiMnVB spring steel 

 Standard: GB / T 1222-1984 
 ● Features and Scope: 
 Low content of alloying elements, hardenability than 60Si2Mn, toughness and higher ductility, decarburization tendency and good tempering stability, thermal processing performance and low cost. 60Si2MnA production instead of heavy, medium and small cars, and other medium-sized cross-section leaf spring leaf spring and coil spring. 
 ● Chemical Composition: 
 Carbon C: 0.52 ~ 0.60 
 Si Si: 0.70 ~ 1.00 
 Manganese Mn: 1.00 ~ 1.30 
 S S: ≤ 0.035 
 P P: ≤ 0.035 
 Chromium Cr: ≤ 0.35 
 Ni-Ni: ≤ 0.35 
 Copper Cu: ≤ 0.25 
 V V: 0.08 ~ 0.16 
 B B: 0.0005 ~ 0.0035 
 ● Mechanical Properties: 
 Tensile strength σb (MPa): ≥ 1372 (140) 
 Yield strength σs (MPa): ≥ 1225 (125) 
 Elongation δ10 (%): ≥ 5 
 Reduction of area ψ (%): ≥ 30 
 Hardness: hot, ≤ 321HB; Cold Drawn + heat treatment, ≤ 321HB 
 ● Heat treatment and microstructure specifications: 
 Heat Treatment Specification: quenching 860 ℃ ± 20 ℃, oil cooling; tempering 460 ℃ ± 50 ℃ (when special needs, ± 30 ℃). 
 Microstructure: Tempered sorbite. 
 ● Delivery status: hot-rolled steel to heat treatment or heat treatment delivery, cold-drawn steel to heat treatment delivery 


 Haibo Seaman on the domestic supply of special steel Co., Ltd. Special Steel Series: 
 Gear Steel: SAE8260H gear steel, 18CrMnMoB gear steel, 28MnCr5 gear steel, 25MnCr5 gear steel, 20MnCr5 gear steel 
 Spring Steel: 60Si2MnA spring steel, 55SiMnVB spring steel, spring steel 85, 70 spring steel, spring steel 65, 65Mn spring steel, 55Si2Mn spring steel, 60Si2Mn spring steel, 60Si2CrA spring steel, 60Si2CrVA spring steel, 55CrMnA spring steel, 60CrMnA spring steel , 60CrMnMoA spring steel, 50CrVA Spring Steel 
 Alloy tool steel: 42CrMo alloy steel, 5CrW2Si alloy tool steel, 6CrW2Si alloy tool steel, 4Cr5MoSiV alloy tool steel, Cr5Mo1V alloy tool steel, 3Cr2Mo alloy tool steel, 5CrMnMo alloy tool steel, 5CrNiMo alloy tool steel, Cr12Mo1V1 alloy tool steel, Cr5MoSiV alloy tool steel, 4Cr3Mo3SiV alloy tool steel, 3Cr2W8V alloy tool steel, 9CrWMn alloy tool steel, CrWMn alloy tool steel, 9Mn2V alloy tool steel, Cr12MoV alloy tool steel, Cr12 alloy tool steel, 4CrW2Si alloy tool steel, Cr06 alloy tool steel, 9SiCr alloy tool steel, 8MnSi alloy tool steel, Cr2 alloy tool steel 
 Copper and copper alloy series: C36000 leaded brass, ANK20 oxygen copper, ANK570 tungsten copper alloy, CuCrZr chromium zirconium copper, XT15 graphite, C17200 beryllium copper, QBe2.0 bronze, H3100 Sambo Copper 
 Cutting steel: 1213 free cutting steel, free cutting steel 1215, 12L14 free cutting steel, Y45Ca cutting steel, Y35 cutting steel, Y40Mn cutting steel, Y30 cutting steel, Y20 cutting steel, Y15Pb cutting steel, Y15 free cutting steel, Y12Pb cutting steel, Y12-cutting steel 
 Quality carbon steel: 30CrMnSiNi2A alloy steel, 20CrMnSi alloy steel, 45Mn, 50Mn quality carbon structural steel, 35Mn, 40Mn quality carbon structural steel, 25Mn, 30Mn quality carbon structural steel, 15Mn, 20Mn high-quality carbon structural steel , 80,85 quality carbon structural steel, quality carbon structural steel, 70,75, 60,65 quality carbon structural steel, quality carbon structural steel, 50,55, 40,45 quality carbon structural steel, 30,35 high-quality carbon structural steel, quality carbon structural steel 20,25 
 Haibo Seaman on special steel Co., Ltd. Main Products:  Stainless steel mold steel breathable high-speed steel tungsten steel aluminum, beryllium copper, titanium rod for cold working die steel die steel heat  Hitachi Metals, "Hitachi HITACHI" Datong Steel Special Steel in Japan, "Datong DAIDO" special steel in Sweden UDDEHOLM "one win per ASSAB" Tool Steel Germany "Derringer DILLINGER" high-speed tool steel in Germany, "Buderus BUDERUS" Die Steel Korea " Doosan DOOSAN "tool steel in Japan," Fujio NACHI "high-speed tool steel in Japan," High Frequency KOSHUHA "special steel in Japan," Nippon Steel NIPPON "plastic mold steel United States," Kennametal KENNA "tungsten steel in Japan," Fuji FUJILLOY "tungsten steel Austria" Bluff BOHLER "tool steel. 
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