High precision 4140 chrome molybdenum steel
- $1.02 /kilogram
- 1 kilogram
- Changzhou Drake International Trade Co., Ltd.
- Jiangsu, China
- Ms Joanna Zhou
Product Detail
| technology: | cold drawn | Certification: | ISO9001:2008 |
| Middle school or not: | non-secondary school | Alloy or not: | is an alloy |
| Steel pipe tensile strength: | ≥ 1080(110) (MPa) | Surface treatment: | polished, galvanized |
| Steel pipe process: | Cold drawn and rolled | Special tube: | thick wall tube |
| payment terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram,Steel Paypal | standard: | ASTM, ANSI A213M-2001 |
| Steel Tube Tolerance: | +/-0.03mm steel pipe | thickness: | 0.5 - 8mm |
| Steel pipe shape: | Round steel pipe | Steel pipe length: | customer request |
| grade: | 10#-45#,10# | Section shape: | round |
| Steel pipe material: | 4140 chrome molybdenum alloy steel pipe | Supply capacity: | 800 tons of high precision 4140 chrome molybdenum steel per month |
| application: | Drill pipe, fluid pipe, hydraulic pipe, oil pipe, structural pipe | Steel pipe product name: | High precision 4140 chrome molybdenum steel |
| port: | Shanghai, Ningbo, Qingdao, Dalian, Tianjin, etc. | Packaging Details: | 1. Steel pipe wrapped in waterproof paper 2. Steel pipe with several pieces of linen 3. Steel pipe cover 4. Steel pipe wooden box |
| Outer diameter: | 3 - 80 mm | Steel pipe color: | steel tube stripping |
| Steel pipe yield strength: | ≥ 930(95) (MPa) | Origin: | Jiangsu, China |
High precision 4140 chrome molybdenum steel
4140 alloy seamless steel pipe
| chemical composition(%) | Mechanical behavior | |||||||||
| C | silicon | manganese | small | P | chromium | you | copper | mo | Yield Strength | tensile strength |
| ( σs ) | ( σb ) | |||||||||
| 0.38~0.45 | ≤ 0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | ≤0.40 | / | 0.15~0.30 | ≥ 930(95) (MPa) | ≥ 1080(110) |
| (MPa) | ||||||||||
| end shape | Beveled end, flat end, disappear or add plastic cap to protect both ends According to customer requirements | |||||||||
| surface | Oiled, galvanized, phosphated, etc. | |||||||||
| treat | ||||||||||
| technology | cold drawn | |||||||||
| application | 1. Automobile and mechanical pipes | |||||||||
| 2. Petroleum cracking pipe | ||||||||||
| 3. High pressure boiler tube | ||||||||||
| 4. Low and medium pressure fluid delivery pipelines | ||||||||||
| 5. Fertilizer equipment pipes | ||||||||||
| 6. Heat exchange tube | ||||||||||
| deliver goods | 1. BK (+C) | No heat treatment is performed after the last cold forming process. | ||||||||
| situation | 2. BKW (+LC) | Light finishing (cold drawing) after final heat treatment | ||||||||
| 3. BKS (+SR) | After the final cold forming process, the tube is stress relieved annealed. | |||||||||
| 4. GBK (+A) | After the final cold forming process, the tube is annealed in a controlled atmosphere. | |||||||||
| 5. NBK (+N) | After the final cold forming process, the tube is annealed above the upper transformation point in a controlled atmosphere. | |||||||||
| pack | 1. Bundled packaging. | |||||||||
| 2. Flat end or disappear according to customer requirements. | ||||||||||
| 3. Wrap with waterproof paper. | ||||||||||
| 4. The linen belt has several steel belts. | ||||||||||
5. Packed in a heavy three-wall box. | ||||||||||
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application
Our seamless steel tubes are capable of making all of the following:
Fuel injection pipe, oil flow pipe | Automobile shock absorber |
| Seat Riser | hydraulic-cylinder tube |
| Bicycle frame steel pipe | Mechanical steel pipes for automobiles and motor parts |
| Auto Parts | generator exhaust pipe |
| high heels steel pipe | Wind chime seamless steel pipe |
| Bicycles and bike frames | Hydraulic system (oil pipeline, engine pipeline) |
| Sewing machine and textile machinery parts | Air Conditioning Parts |
| Gas Oil Burner Tube | tubing drilling |
| Automobile and motorcycle fittings | Gas spring tube, motor bushing |
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Product Description
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equipment
| Equipment production: | Device test: | |
| | ||
| 1. Cold drawing machine; | 1. Chemical analysis instruments; | |
| 2. High pressure cleaning platform; | 2. Spectral analysis; | |
| 3. Anaerobic annealing furnace; | 3. Eddy current tester; | |
| 4. Straightening machine; | 4. Mechanical tester; | |
| 5. Polishing machine. | 5. Rockwell hardness tester. |
qualification
1. We use special technology and special techniques in the pickling process to deal with the places where wrinkles and gaps are easy to form;
2. The process organization is strict, especially the technical requirements for annealing treatment are strict;
3. In terms of lubrication, we have adopted an internationally advanced treatment process to strictly control the surface quality of the product and prevent the occurrence of surface cracks.
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Packaging and Shipping
1. Anti-rust oil coating (free)2. Capping (charged)
3. Fasten with steel bars (free)4. Waterproof paper packaging (free of charge)
5. Wrap in sturdy sackcloth (free)6. Wooden box packing (fee charged)
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