Shanghai Daoqin Plastics Co., Ltd.

        1, 45—— excellent carbon structure 钢, is most commonly used in carbon 调质钢

         main/primary 特征: most commonly used in carbon 调质钢, comprehensive force property can good, property low, water easy cracks. small type parts using/adopting 调质处理, large type parts using/adopting positive 火处理. application 举例: main/primary used for manufacturing strong/high degree high parts, 如透平 machine 叶轮, pressure shrink machine active 塞. 轴, gears, strip/profile, and other. welding parts attention/notes front preheating, rear remove force 退火.

        2, Q235A(A3钢)—— most commonly used carbon structure 钢

         main/primary 特征: tool has high property, tough property and welding property can, cold pressure property can, and strong/high degree, good cold property can. application 举例: used for generally requirements parts and welding structure. force large 拉杆, 连杆, 销, 轴, 螺钉, 螺母, sleeve/set 圈, 支架, machine base/seat, construction structure, and other.

        3, 40Cr—— use most 广泛 钢 types 之一, alloy structure 钢

         main/primary 特征: 经调质处理 rear, tool has good comprehensive force property can, low temperature impact tough degree and low 缺口敏感 property, property good, cold can to relatively high fatigue strong/high degree, water cold complex parts easy generate cracks, cold property in and other, or rear processing property good, welding property good, easy generate cracks, front preheating to 100～150℃, generally in 调质状态 lower use, also can carbon nitrogen and high frequency surface 淬火处理. application 举例: 调质处理 rear used for manufacturing in speed, in parts, machine gears, 轴, 蜗杆, 花键轴, sleeve/set and other, 调质并 high frequency surface rear used for manufacturing surface high hardness, wear resistant parts, gears, 轴, 主轴, 曲轴, 心轴, sleeve/set 筒, 销子, 连杆, 螺钉螺母, gas and other, 经淬火 and in temperature rear used for manufacturing heavy 载, in speed impact parts, 如油泵转子, slip block, gears, 主轴, sleeve/set ring and other, 经淬火 and low temperature rear used for manufacturing heavy 载, low impact, wear resistant parts, 如蜗杆, 主轴, 轴, sleeve/set ring and other, carbon nitrogen 共渗处即 rear manufacturing dimensions relatively large, low temperature impact tough degree relatively high parts, 如轴, gears and other.

        4, HT150——灰铸 iron

         application 举例: gears 箱体, machine 床床身, 箱体, liquid pressure 缸, 泵体, 阀体, 飞轮, gas cover/cap, belt/tape 轮, bearings cover/cap and other.

        5, 35—— various standards parts, solid parts commonly used material

         main/primary 特征: strong/high degree 适当, property relatively good, cold property high, welding property can. cold lower can local coarse and wire drawing. property low, positive or rear use application 举例: manufacturing small parts, can relatively large parts: 如曲轴, 杠杆, 连杆, ring and other, various standards parts, solid parts.

        6, 65Mn—— commonly used elastic 簧钢

         application 举例: small dimensions various 扁, elastic 簧, base/seat elastic 簧, elastic strip/profile, can made elastic ring, gas 门簧, combined device sheet/slice, elastic 簧, cold 卷螺旋 elastic 簧, and other.

        7, 0Cr18Ni9—— most commonly used 不锈钢(USA 钢号304, Japan 钢号SUS304)

         features and application: as is heat resistant use most 广泛, food use equipment, generally chemical industry equipment, can industrial use equipment.

        8, Cr12—— commonly used cold as mold 钢(USA 钢号D3, Japan 钢号SKD1)

         features and application: Cr12钢 is types application cold as mold 钢, high carbon high type type 莱氏体钢. tool has relatively good property and good wear resistance; due to Cr12钢 carbon content high 达2. 3%, therefore impact tough degree relatively 差, easy 脆裂, but also easy formed non-uniform carbon material;Cr12钢 due to tool has good wear resistance, more used for manufacturing impact negative relatively small requirements high wear resistant cold 冲模, 冲头, lower material 模, cold 镦模, cold pressure 模 冲头 and 凹模, sleeve/set, amount 规, wire drawing 模, pressure 印模, filament sheet/plate, deep and powder 末冶金 use cold pressure and other.

        9, DC53—— commonly used Japan Imported cold as mold 钢

         features and application: high strong/high tough property cold as mold 钢, Japan large 同特殊钢(株)厂家钢号. high temperature rear tool has high hardness, high toughness, 线切割 property good. used for precision cold pressure 模, tensile 模, filament 模, cold 冲裁模, and other.

        10, DCCr12MoV—— wear resistant 铬钢

         Domestic. relatively Cr12钢含 carbon amount low, add Mo and V, carbon material non-uniform has improvement, MO can decrease light carbon material 偏析并 improve/increase property, V can fine 化晶粒 increase tough property. has high property, in 400mm below/following can full 淬透, in 300~400℃ still can maintain good hardness and wear resistance, relatively Cr12 has high tough property, 淬火时体积变化 small, also has high wear resistance and good comprehensive mechanical properties. therefore can manufacturing large, complex, relatively large impact various mold, 例如普通 tensile 模, 冲孔凹模, 冲模, material 模, 切边模, 滚边模, wire drawing 模, cold pressure 模, cold 切剪刀, 圆锯, standards tool, amount tool and other.

        11, SKD11—— tough property 铬钢

         Japan day 立株式 production. in technology upper improvement in 铸造组织, fine 化 晶粒. relatively Cr12mov tough property and wear resistance has improve/increase. long mold use lifespan.

        12, D2—— high carbon high cold as 钢

         USA 产. tool has high property, hard property, wear resistance, high temperature resistant oxidation property can good, and light rear resistant can force good, hot deformation small, manufacturing various requirements high degree, long lifespan cold as mold, tool and amount tool, tensile 模, cold pressure 模, cold 剪切刀 and other.

        13, SKD11(SLD)——不 deformation tough property high 铬钢

         Japan day 立株式 production. due to in MO, V content increase, improvement in 铸造组织, fine 化 晶粒, improvement carbon material 形貌, 因而此钢 strong/high tough property (resistant strong/high degree, degree, impact tough degree and other) ratio SKD1, D2 high, wear resistance has increase, but also tool has more high resistant property. 实践证明此钢 mold lifespan ratio Cr12mov has improve/increase. manufacturing requirements high mold, tensile 模, impact sheet/slice and other.

        14, DC53—— high toughness high 铬钢

         Japan large 同株式 production. hot hardness high 于SKD11. high temperature (520-530)回火 rear can 达62-63HRC high hardness, in strong/high degree and wear resistance 方面DC53 ultra- SKD11. tough property is SKD11 两倍. DC53 tough property in cold as mold manufacturing very less cracks and crazing. large large improve/increase use lifespan. residual stress small. high temperature decrease/reduce residual stress. is 线切割 processing rear and deformation to made. property and abrasion property ultra- SKD11. used for precision pressure 模, cold 锻, deep and other.

        15, SKH-9—— wear resistance, tough property large general purpose high speed 钢

         Japan day 立株式 production. used for cold 锻模, strip/profile machine, 钻头, 铰刀, and other.

        16, ASP-23—— powder 末冶金 high speed 钢

        瑞典产. carbon material distribution uniform, wear resistant loss, high toughness, easy processing, hot dimensions stability. used for 冲头, deep tensile 模, 钻模, and 剪切刀 sheet/slice and other type long lifespan 之切削工 tool.

        17, P20—— generally requirements large small plastics mold

         USA 产. can electrical as. 出厂状态预 hard HB270-300. hardness HRC52.

        18, 718—— high requirements large small plastics mold

        瑞典产. especially electrical as. 出厂状态预 hard HB290-330. hardness HRC52

        19, Nak80—— high 镜面, high degree plastics mold

         Japan large 同株式产. 出厂状态预 hard HB370-400. hardness HRC52

        20, S136—— anti and 需镜面抛 light plastics mold

        瑞典产. 出厂状态预 hard HB<215. hardness HRC52.

        21, H13——普通 commonly used pressure 铸模

         used for aluminum, zinc, and alloy pressure 铸. hot pressure 模, aluminum pressure 模.

        22, SKD61—— high grade pressure 铸模

         Japan day 立株式产, electrical heavy solvent technology, in use lifespan upper ratio H13 has obvious improve/increase. hot pressure 模, aluminum pressure 模.

        23, 8407—— high grade pressure 铸模

        瑞典产. hot pressure 模, aluminum pressure 模.

        24, FDA C——添 add add strong/high its easy property

        出厂预 hard hardness 338-42HRC, can 直接进行刻雕 processing, must 淬火, 回火处理. used for small amount 模, easy 模, various resin products, sliding parts, short mold parts, 拉链模, frame 模.