가공 제조업체가 처리하기 위해 일반적으로 사용하는 금속 재료가 있습니다. 이번에는 기계 및 금형 가공에 일반적으로 사용되는 24 가지 재료를 공유하겠습니다. 재료가 모두 이해되고 칼과 일치하는 것이 더 쉽습니다.

1, 45 고품질 탄소 구조용 강철은 가장 일반적으로 사용되는 중간 강화 및 강화 강철입니다.

Main features: The most commonly used medium carbon quenched and tempered steel has good comprehensive mechanical properties, low hardenability, and cracks easily during water quenching. Small parts should be quenched and tempered, and large parts should be normalized. Application examples: Mainly used for manufacturing high-strength moving parts, such as turbine impellers and compressor pistons. Shafts, gears, racks, worms, etc. Welding parts should be preheated before welding and stress relief annealing after welding.

2. Q235A (A3 steel)-the most commonly used carbon structural steel

주요 특징 : 높은 가소성, 인성 및 용접 성능, 콜드 스탬핑 성능, 특정 강도 및 우수한 콜드 벤딩 성능. 적용 사례 : 일반적인 요구 사항이있는 부품 및 용접 구조물에 널리 사용됩니다. 저장력로드, 커넥팅로드, 핀, 샤프트, 나사, 너트, 페룰, 브래킷,베이스, 건물 구조, 교량 등

3. 40Cr- 가장 널리 사용되는 강철 유형 중 합금 구조용 강철입니다.

Main features: After quenching and tempering, it has good comprehensive mechanical properties, low temperature impact toughness and low notch sensitivity, good hardenability, high fatigue strength when oil-cooled, and parts with complex shapes when water-cooled. Generate cracks, moderate cold bend plasticity, good machinability after tempering or tempering, but poor weldability, easy to crack, preheat to 100 ～ 150 ℃ before welding. Generally, it can be used in the quenched and tempered state. Carburizing and high frequency surface hardening. Application example: After quenching and tempering, it is used to manufacture medium-speed and medium-load parts, such as machine tool gears, shafts, worms, spline shafts, thimble sleeves, etc., after quenching and tempering and high-frequency surface hardening, it is used to produce high-hardness and resistance to surface. Grinding parts, such as gears, shafts, main shafts, crankshafts, mandrels, sleeves, pins, connecting rods, screws and nuts, intake valves, etc., are used to produce heavy-duty, medium-speed impact after quenching and tempering at moderate temperatures Parts, such as oil pump rotors, sliders, gears, main shafts, collars, etc., are used to manufacture heavy-duty, low-impact, wear-resistant parts such as worms, spindles, shafts, collars, etc. after quenching and low temperature tempering. Carbon After the nitriding, the transmission parts, such as shafts and gears, with larger size and higher low temperature impact toughness are manufactured later.

4, HT150- 회주철

적용 사례 : 기어 박스, 머신 베드, 박스, 유압 실린더, 펌프 바디, 밸브 바디, 플라이휠, 실린더 헤드, 풀리, 베어링 커버 등

다양한 표준 부품 및 패스너를위한 5, 35 공통 재료

주요 특징 : 적절한 강도, 우수한 가소성, 높은 냉간 가소성 및 우수한 용접성. 차가운 상태에서 부분적으로 화를 내고 닦을 수 있습니다. 낮은 경화성, 정규화 또는 담금질 및 템퍼링 후 사용 적용 예 : 작은 단면 부품, 큰 하중을 견딜 수있는 부품 (예 : 크랭크 샤프트, 레버, 커넥팅로드, 샤클 등), 다양한 표준 부품, 패스너 제조에 적합합니다.

6, 65Mn- 일반적으로 사용되는 스프링 강

Application examples: small flat and round springs, cushion springs, springs, spring rings, valve springs, clutch springs, brake springs, cold-rolled coil springs, snap springs, etc.

7, 0Cr18Ni9-the most commonly used stainless steel (US steel number 304, Japanese steel number SUS304)

Characteristics and applications: It is the most widely used as stainless heat-resistant steel, such as food equipment, general chemical equipment, and original industrial equipment.

8. Cr12——Commonly used cold work die steel (American steel grade D3, Japanese steel grade SKD1)

Features and applications: Cr12 steel is a widely used cold work die steel, which is a high carbon and high chromium type bainite steel. The steel has good hardenability and good wear resistance. Because the carbon content of Cr12 steel is as high as 2.3%, the impact toughness is poor, it is easy to brittle, and it is easy to form non-uniform eutectic carbide. It has good abrasion resistance, and is mostly used to manufacture cold punches, punches, blanking dies, cold heading dies, cold extrusion dies and cold dies, drill sleeves, and gauges that require high wear resistance with less impact load , Drawing die, embossing die, wire drawing board, drawing die and cold pressing die for powder metallurgy.

9, DC53-commonly used cold-work die steel imported from Japan

Features and applications: High-strength and toughness cold-working die steel, Japan Datong Special Steel Co., Ltd. steel grade. After high temperature tempering, it has high hardness, high toughness, and good wire cutting. Used for precision cold stamping die, drawing die, wire rolling die, cold punching die, punch, etc. 10, SM45-ordinary carbon plastic mold steel (Japanese steel number S45C)

10.DCCr12MoV-wear-resistant chrome steel

Made in China. Compared with Cr12 steel, the carbon content is lower, and Mo and V are added. The carbide unevenness is improved. MO can reduce carbide segregation and improve hardenability. V can refine grains and increase toughness. This steel has high Hardenability, cross-section below 400mm can be fully hardened, good hardness and wear resistance can be maintained at 300 ~ 400 ℃, higher toughness than Cr12, small volume change during quenching, and high wear resistance and Good comprehensive mechanical properties. So it can manufacture various molds with large cross-sections, complex shapes, and withstanding large impacts, such as ordinary drawing dies, punching concave dies, punching dies, blanking dies, cutting dies, piping dies, wire drawing dies , Cold extrusion die, cold cutting scissors, circular saw, standard tools, measuring tools, etc.

11.SKD11-ductile chrome steel

Japan Hitachi production. Technically improve the cast structure in steel and refine the grains. Compared with Cr12mov, the toughness and wear resistance have been improved. The service life of the mold has been extended.

12, D2-high carbon high chromium cold work steel

Made in the United States. It has high hardenability, hardenability, wear resistance, high temperature oxidation resistance, good rust resistance after quenching and polishing, and small heat treatment deformation. It is suitable to manufacture various cold work molds that require high precision and long life. Tools and measuring tools, such as tensile die, cold extrusion die, cold shear knife, etc.

13.SKD11 (SLD)-non-deformable and tough high chromium steel

Japan Hitachi production. As the content of MO and V in steel increases, the cast structure in steel is improved, the grains are refined, and the morphology of carbides is improved, so the steel's strong toughness (bend strength, deflection, impact toughness) Etc.) Higher than SKD1, D2, wear resistance has also increased, and has higher tempering resistance. Practice has proven that the life of this steel mold has been improved compared to Cr12mov. Often manufacturing molds with high requirements, such as tensile molds, impact Moulds for grinding wheels.

14, DC53-high toughness and high chromium steel

Japan Datong production. Heat treatment hardness is higher than SKD11. After high temperature (520-530) tempering, it can reach 62-63HRC high hardness, DC53 exceeds SKD11 in strength and wear resistance. Toughness is twice as high as SKD11. There are few cracks and cracks in cold work mold manufacturing. It greatly improves the service life. The residual stress is small. The residual stress is reduced by turning back at high temperature. Because the cracks and deformation after wire cutting are suppressed. The machinability and abrasiveness exceed SKD11. For precision stamping dies, cold forging, deep drawing dies, etc.

15.SKH-9-general high-speed steel with high wear resistance and toughness

Japan Hitachi production. Used for cold forging die, slitting machine, drill, reamer, punch, etc.

16.ASP-23——Powder Metallurgy High Speed ​​Steel

Made in Sweden. Extremely uniform carbide distribution, wear resistance, high toughness, easy processing, stable heat treatment size. Used for various long-life cutting tools such as punches, deep drawing dies, drilling dies, milling cutters and shear blades .

17.P20——Generally required size plastic mold

Produced in the United States. Corrosive operation. Pre-hardened HB270-300. Hardened hardness HRC52.

18, 718-high-demand size plastic mold

Made in Sweden. Especially for electro-erosion operation. Pre-hardened HB290-330 in factory state. Hardened hardness HRC52

19.Nak80-high mirror, high precision plastic mold

Produced by Datong in Japan. Pre-hardened HB370-400. Hardened hardness HRC52

20, S136-anti-corrosion and mirror-polished plastic mold

Made in Sweden. Pre-hardened HB <215. Hardened hardness HRC52.

21, H13-common commonly used die casting mold

알루미늄, 아연, 마그네슘 및 합금 다이캐스팅 용. 핫 스탬핑 다이, 알루미늄 압출 다이,

22. SKD61- 고급 다이 캐스팅 금형

일본 히타치에서 생산 한 전자 유압식 재용 해 기술은 H13보다 서비스 수명이 크게 향상되었습니다. 핫 스탬핑 다이, 알루미늄 압출 다이,

23, 8407- 고급 다이캐스팅 금형

스웨덴 산. 핫 스탬핑 다이, 알루미늄 압출 다이.

24. FDAC- 가공성 향상을위한 황 첨가

공장 사전 경화 경도는 338-42HRC이며 담금질 및 템퍼링없이 직접 조각 할 수 있습니다. 소량 배치 금형, 단순 금형, 각종 수지 제품, 슬라이딩 부품, 리드 타임이 짧은 금형 부품에 사용됩니다. 지퍼 몰드, 안경 프레임 몰드