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Best Price 4140 Alloy Steel Pipe Hollow Bar Steel Tube

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Model NO.1256 ApplicationMachinery Parts
MaterialSteel Heat TreatmentQuenching
Surface TreatmentPassivation Forging Tolerance+/-0.1mm
StandardAISI CertificationCE, RoHS, ISO 9001:2000, ISO 9001:2008
ProcessHot Forging - Heat Treatment - CNC Machining Price TermsEXW,Fob,CIF,DDP,DDU
SizeMin Dia100mm, Max Dia 6000mm. Max Length 6000mm Weight10kg~10ton
ShapeRing, Shaft, Round Bar, Block, Sleeve, Wheel, Cyli Warranty18 Months
Transport PackageAccording Customersu2032 Requirements Specificationlarge dimensions
Trademarkno OriginChina

Product Details

Product Description

Company Info.

  • Overview
  • Product Description
  • Production Process
  • The materials we can forging
  • Production capacity
Overview

Product Description

Product Description

Best Price 4140 Alloy Steel Pipe Hollow Bar Steel Tube

Production Process

1, Raw material: use ESR ingot. ESR need to melt twice, secondary refining process.Non metallic inclusions in steel are absorbed by slag.
2, Heat Natural gas heating furnaces are monitored and controlled by computer programs to ensure precise heating within set time and temperature range as required.
3, Forging Calculate the appropriate forging ratio based on the shape to avoid material waste. Select appropriate equipment for forging. Make the product undergo complete forging and pressing.
4, Normalized: can improve the toughness of steel
5, Aligning For shaft, roller, round bar
6, Pre-machining Remove surface oxide scale and inspect for defects. More conducive to complete immersion during tempering.
7, Make UT Qualified technicians shall conduct ultrasonic testing operations. Ensure that the product is 100% inspected and qualified. Magnetic particle testing and penetration testing can also be performed.
8, Heat treatment: Quenching&Tempering, to meet mechanical performance requirements.We will manufacture samples and continuously adjust the furnace temperature to meet the required performance requirements. Ensure 100% success data is obtained before mass production.
9,Mechanical performance inspection and twice UP inspection Hardness,Tensile strength,Yield Strength,Percentage elongation,Impact
10,Precision machining, to achieve dimenssion on drawings. We will pay attention to the tolerance requirements for each dimension. Surface smoothness requirements. The depth and type of drilling. Geometric tolerances, parallelism, perpendicularity, runout tolerances, concentricity, etc.
11,Packing and delivery. We will choose packaging methods that can protect the product and are suitable for sea transportation. With a complete supply chain, products can be transported to your factory by sea or rail.

The materials we can forging

Stainless Steel: SS201,SS301, SS303, SS304, SS316, SS316L,SS416 ,AISI 440C,17-4PH etc.
Steel/Alloy: mild steel, Carbon steel, 4140, 4340,65Mn,60Si2Mn, Q235, Q345B, 1020steel, 1045steel,A106,A105, A570-50,CR-MO4130,Astm A487 grade 9A, 52100 Bearing steel ,S45c, Sm490A, AVP/S235JRG2,DD14, 1.0037 ,etc, ASTM 1197-47, 25CRMO4V,SCM435, 11SMNPB30,1.0718,.A36
Brass: HPb63, HPb62, HPb61, HPb59, H59, H62, H68, H80 ,Bronze 660, C93200,Bronze CDA873 or 956,CDA873,C95600,MAILEABLE IRON ASTM A47-77, etc.
Copper: C11000,C12000,C12000 C36000,C100 etc.
Aluminum: AL1100,AL6061, Al6063-T6, AL6082, AL7075, AL5052, A380 etc.
Titanium: CP Ti,Ti-6Al-4V, Ti-6Al-4V Eli,Ti-3Al-2.5V,Ti-5Al-2.5Sn, Ti-5Al-2.5Sn Eli,Ti-0.05Pd, Ti-0.2Pd, Ti-6Al-7Nb,Ti-13Nb-13Zr,Ti-0.1Ru,Ti-3Al-8V-6Cr-4Mo-4Zr,Ti-6Al-4V-0.1Ru,Etc.
The Surface Treatment: Zinc plating, Chrome plating, Nickel plating, Tin plating, Polishing, Anodizing, Power-coating, Dacromet, Oxide black, Sandblast Anodizing, Electroless nickel, Fe/Zn8/C PER ISO 2081, etc.

Production capacity

Design: We use the most advanced mould design software Auto CAD, Pro/E, Solidworks, UG (dwg, dxf, IGS, STP, X-T)
Manufacture: We use advanced technology, unmatched skill, professional and advanced equipment size range from 10kg -10T, and experienced technicians to fit our customers requirements, like tooling manufacturing,forging CNC machining, Assembling and surface treatment service
Process and Capability: Cnc machining, Threading, Welding, Tapping, Riveting, Grinding, Laser cutting,Metal Fabrication,forming,spinning, CNC Punching, Plasma cutting, Goffered, Stretch forming ,Tig/Mig Welding,Assembling, Shearing, Blanking, CNC Bending............
Price Terms: Fob Ningbo or Shanghai or any other port in CHINA. EXW, CIF, DDP, DDU. We have a mature supply chain and can provide door-to-door services.
Lead time: 20-50days based on the different products
Packaging: Wooden package and canton case or as per customers requirement
Certification: ISO9001:2018 , SGS , TS16949,API 8C
Industry: these parts are used in hydraulic presses, press line automation and die handling equipment,Automotive, Electrical, Building, Furniture, Machine assembly, Computer, Air industry , Oil field Equipments, Marine equipments, Mine equipment,Agricultural Machines,Transportation Equipments, OEM/ODM Electronics......

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