A) C45W in carbon steel
American Standard Code: AISI1050 ~ 1055; Japan Standard Number: S50C ~ S55C German standard number: 1.1730. 45 # carbon steel or in steel called Hong Kong ace steel, the steel hardness: HB170 ~ HB220, cheap, easily processed, used as mold in the mold, top column, and some important parts on the market general standard is the use of such a steel mold.
(B) 40CrMnMo7 P20 steel
United States, Japan, Singapore, Hong Kong, the Chinese standard numbers: AISIP20, Germany and some European countries ID: DIN: 1.2311,1.2378,1.2312. Such pre-hardened steel is steel, heat treatment is generally appropriate, but can nitriding, the hardness of this steel is also a great difference from that room 280HRC ~ 400 depending on the standard steel, as has been hard for the pre-treatment, mechanical cutting is not very difficult, so it is appropriate to do some of the lower price of the mold inserts, some molds produce large quantities of mold also used this steel (some customers use this steel designated as mold), the advantage is harder than the carbon steel high carbon steel deformed than in the stable, P20 steel as such is widely used in plastic mold, so a lot of brands, which are more common in southern China brand: ASSAB ASSAB brand, produced in Sweden, there are two different hardness, 718SHB290 ~ HB330 (330 ~ 340HRC), 718HHB330 ~ HB370 (340 ~ 380HRC). Datong steel, made in Japan: NAK80 (hardness 400HRC +20) and NAK55 (hardness 400HRC +20) two, normal circumstances, NAK80 do fixed mold inserts, NAK55 moving mold inserts to do, do not directly pay attention to NAK55 EDM striae, according to sulfur content of steel is to explain the relationship between the agency, after it left streaks of EDM; Desheng Steel THYSSEN, Germany, there are several number: GS-711 (hardness 340 ~ 360HRC),
GS738 (hardness 320 ~ 350HRC), GS808VAR (hardness 380 ~ 420HRC), GS318 (hardness 290 ~ 330HRC), GS312 (hardness 290 ~ 330HRC), GS312 sulfur can not do EDM lines, mold in Europe to do more common, GS312's Code of 40CrMNMoS8, Bluff (BOHLER) Austrian-made, numbered with: M261 (380 ~ 420HRC), M238 (360 ~ 420HRC), M202 (290 ~ 330HRC), M202 can not do EDM lines, but also sulfur, there are other brands is not exhaustive.
(C) X40CrMoV51 hot steel
U.S., China, Hong Kong, Singapore, the standard number: AISIH13, DIN: (Europe) 1.2344; Japan SKD61, such a steel factory hardness: HB185 ~ HB230 to be heat-treated.
Used in the hardness of the plastic mold is generally 480 ~ 520HRC, but also nitrogen treatment, heat treatment as required, processing more difficult, it is more expensive in the mold of the price of some, if need heat treatment to more than 40HRC hardness, general machinery mold processing more difficult, so we must first work before the heat treatment of the rough parts, its is: carrying water holes, screw holes, and tapping must be done before the heat treatment, annealing or to redo, so is time-consuming, Such steel is also commonly used in plastic mold, so there are many brands, we plant commonly used brands are: Assab (ASSAB) their number is: 8407; Desheng (THYSSEN) their number is GS344ESR or GS344EFS . (We generally used in the set pieces are GS344ESR, with moving parts is GS344EFS); Japan Datong Steel DAIDOSTEELHI (designated with the majority of Japanese customers), there are a lot of brands, because our plant is not commonly used, it is not exhaustive .
(D) X45NiCrMo4 Cold Steel
AISI6F7 Europe Number: DIN1.2767, such a steel factory hardness HB260, need heat treatment, the general application of hardness 500 ~ 540HRC, the more common European guests this steel, the steel toughness, lighting effects are very good, since the steel in the South region is not common, so much the brand, our company using Ruby (THYSSEN) GS767.
(E) X42Cr13 (Stainless Steel)
AISI: 420STAVAXDIN: 1.2083 factory hardness HB180 ~ 240, require heat treatment, application of hardness 480 ~ 520HRC, not suitable for nitriding heat treatment (acute angle where will crack). The corrosion-resistant steel and polished to good effect, it is generally transparent plastic parts and corrosive compounds, such as: PVC and fire material, V2, V1, V0 class is appropriate to use such plastic steel, this steel is also very common used in plastic mold, therefore the brand is also a lot of our commonly used are: Assab (ASSAB) S-136ESR Desheng (THYSSEN) GS083-ESR, GS083GS083VAR; if the use of Ruby's mind, if it is transparent parts, then fixed and the moving mold inserts have GS083ESR (According to the ESR steel electroslag re-melting materials is to improve the uniformity of crystal steel, polished better), not the clear plastic pieces moving modules generally do not need high-quality finish, and can use an ordinary The GS083, relatively inexpensive because a number of steel prices, does not affect the quality of the mold, the steel material and sometimes the customer will be required as a mold, rust because of the relationship, can guarantee the smooth flow of the cooling pipe carrying water to meet the production cycle stable, there are many brands of this steel is not exhaustive.
(F) X36CrMo17 (pre-hardened stainless steel)
DIN: 1.2316, AISI420STAVAX, factory hardness HB265 ~ 380, depending on the specifications of steel, if the clear plastic thing we generally do not use this steel, polished to a high finish because, due to the hardness is not very easy grooves, while Beer is also very easy to have plastic scratches, should always be polished, so the heat treatment or quenching and tempering with 1.2083ESR hard to 480 ~ 520HRC save a lot of trouble (although this is not high hardness steel, mechanical cutting easier, shorter mold to complete the cycle ).
Most of our use of this steel is rust-proof features moderately priced mold, such as corrosion of plastic material, as above mentioned PVC, V1, V2, V0 class, the steel used in the plastic mold is also very common, multi-brand We used the company's brand: Assab (ASSAB) S-136H, factory hardness HB290 ~ 330, Desheng steel (THYSSEN) GS316 (HB265 ~ 310), GS316ESR (30 ~ 34HRC), GS083M (HB290 ~ 340 ), GS128H (38 ~ 42HRC), Japanese Datong (DAIDO) PAK90 (HB300 ~ 330).