The quality inspection of die forgings includes appearance quality inspection and internal quality inspection, including numerous inspection items respectively. The first is the chemical composition inspection, usually based on the smelting before the furnace sampling analysis as. Especially for important or suspect die forgings, some chips can be cut from the forgings and chemical composition can be tested by chemical analysis or spectral analysis. Secondly, the size and shape of die forgings are checked. Visual inspection is a more common method to observe the surface of forgings with the naked eye whether there are folding, cracks, bruises, scars, surface burns and other defects. And the surface of die forgings hidden deep defects, often after heat treatment and cleaning for observation. And its dimension measurement inspection includes length, width and height dimensions; Parallelism and perpendicularity of the plane; The curvature of the axis; Ellipticity of inner and outer circles; Radius of fillet; The concentricity; The included Angle and the misshift, etc. When the die forgings are required to carry out the precise size inspection, in addition to the marking inspection and the special sample can be used, the inspection instrument controlled and analyzed by the computer can be used, or the optical comparator, optical projector can be used for the relevant size inspection, to ensure the accuracy of the inspection results. Surface flaw detection is also a part of the quality inspection of die forgings. The surface quality of membrane acid and base is determined by magnetic particle test and fluorescence test. In addition, there are ultrasonic inspection, low tissue inspection, microscopic inspection, residual stress inspection and so on, each link can not be ignored.
Henan Shuangzhi Machinery Equipment Co., Ltd. is a professional forging processing and production of forgings. Products can be produced according to the drawing, chemical composition, free forging, die forging, rough machining, heat treatment, finishing integration. Long-term cooperation with petroleum, chemical, mining, and other enterprises. Supporting the production of sprocket, gear, gear ring, ring, cylinder, shaft, cylinder, block, module, support seat, flange and other forging products. If you need custom forgings, you are welcome to contact us in time.
All material ultrasonically tested to gb/t6402-1991(astm-a388). Fumigated pallets or wooden case.
1.2344 Moulding Steel Tool Steels Application: Plastic mold, injecting mould, knife, blade etc. We are supplying the special steels/mold steels such as: (1).Cr12Mo1V1;SKD11;D2;1.2379; (2).Cr12MoV;SKD12;A2;1.2363 (3).4Cr5MoSiV1;SKD61;H13;1.2344 (4).10Cr15MoVCo;Japan JIS VG10; (5).9Cr18MoV,EN X90CrMoV18;USA 440C And so on. if you are planning to expand any supplying chain; Please feel free to contact us for further cooperation. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit.
High Carbon Moulding Steel SKD61,Application: Plastic mold, injecting mould, knife, blade etc. We are supplying the special steels/mold steels such as: (1).Cr12Mo1V1;SKD11;D2;1.2379; (2).Cr12MoV;SKD12;A2;1.2363 (3).4Cr5MoSiV1;SKD61;H13;1.2344 (4).10Cr15MoVCo;Japan JIS VG10; (5).9Cr18MoV,EN X90CrMoV18;USA 440C And so on. if you are planning to expand any supplying chain; Please feel free to contact us for further cooperation. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit.
Mould Steel,Saw black steel, crusher knife steels SKD11 The cold work steel SKD11usually used for: Plastic Moulding,Injecting Mould,Knife, Scissors, Blade, Saw blade, Circular knife,crusher knife, serrated knives etc; Please feel free to contact us for more detailed technique information or provide your special request to us. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit.
Special steel 1.2379, usually used for : Plastic Moulding,Injecting Mould,Knife, Scissors, Blade, Saw blade, Circular knife,crusher knife, serrated knives etc We also are supplying the special steels/mold steels such as: (1).Cr12Mo1V1;SKD11;D2;1.2379; (2).Cr12MoV;SKD12;A2;1.2363 (3).4Cr5MoSiV1;SKD61;H13;1.2344 (4).10Cr15MoVCo;Japan JIS VG10; (5).9Cr18MoV,EN X90CrMoV18;USA 440C And so on. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit.
We are supplying the special steels/mold steels such as: (1).Cr12Mo1V1;SKD11;D2;1.2379; (2).Cr12MoV;SKD12;A2;1.2363 (3).4Cr5MoSiV1;SKD61;H13;1.2344 (4).10Cr15MoVCo;Japan JIS VG10; (5).9Cr18MoV,EN X90CrMoV18;USA 440C And so on. In the coming year 2025, if you are planning to expand any supplying chain; Please feel free to contact us for further cooperation. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit. Contact:Allence Shi
We are supplying the special steels/mold steels such as: (1).Cr12Mo1V1;SKD11;D2;1.2379; (2).Cr12MoV;SKD12;A2;1.2363 (3).4Cr5MoSiV1;SKD61;H13;1.2344 (4).10Cr15MoVCo;Japan JIS VG10; (5).9Cr18MoV,EN X90CrMoV18;USA 440C And so on. In the coming year 2025, if you are planning to expand any supplying chain; Please feel free to contact us for further cooperation. Our Services Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you. 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment. 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not ? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit. Contact:Allence Shi
