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Grade 4 Titanium Machining for Your Custom Parts
For your Grade 4 titanium machining services inquiry, connect the exact CP grade and stock condition to your locating shoulders, supported bores and final assembly fits. Resolve machining access, surface acceptance and material records before your first sample.
UNS R50700Confirm your purchase specification.
CP Titanium Grade 4Keep the supplied condition explicit.
3.7064 / 3.7065Qualified European supply references.
6 Quote InputsConnect drawing, quantity and evidence.
Identify Your Grade 4 Titanium Before Cutting
Commercially pure titanium Grade 4 / UNS R50700 is unalloyed titanium with controlled residual and interstitial limits. For your Grade 4 titanium properties review, distinguish the plate reference below from the actual bar, tube or plate specified on your purchase order.
UNS R50700
Your U.S. grade identifier; state the applicable product standard and revision.
European Purchasing Names
HSM lists 3.7064 and 3.7065 against Grade 4. These are supply comparison references; confirm the exact form and specification before approving a change.
Your Supplied State
CP titanium Grade 4 is a material designation, not a complete purchase order. State bar, plate or tube and the applicable standard; a plate table does not accept a tube or finished pressure component.
Grade 4 Titanium Composition
| Element | ATI CP Grade 4 · max wt.% |
|---|---|
| Fe | 0.50 |
| O | 0.40 |
| C | 0.08 |
| N | 0.05 |
| H | 0.015 |
| Ti | Balance |
ATI published plate reference. Values are maxima except titanium balance; verify the ordered material and lot certificate. No unlisted addition is inferred.
Grade 4 vs Grade 2: Plate Strength Reference
ATI published plate minima · MPa · common axis 0–600 MPa
Grade 4 · tensile minimum
550 MPa
Grade 2 · tensile minimum
345 MPa
Grade 4 · yield minimum
483 MPa
Grade 2 · yield minimum
275 MPa
0300 MPa600 MPa
Producer plate minima, not your lot report or finished-part rating. Grade 4 titanium tensile strength depends on the actual ordered form and condition. These values do not establish fatigue life, corrosion suitability or a substitution approval.
ATI CP Grade 4 ↗ ATI CP Grade 2 ↗ European comparison list ↗
Match Your Grade 4 Part to the Manufacturing Review
Select your component, then connect machining, supplied condition and final acceptance.
Define Your Stepped Shafts Before Cutting
For custom Grade 4 titanium parts with locating shoulders, show the complete short-shaft geometry and mating drawing. Identify the final support state and distinguish working diameters from noncritical reliefs.
| Your decision | What to define |
|---|---|
| Your fit | Shoulder position, controlled diameter, coaxial bore and mating fit. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
For Grade 4 titanium turning services, connect roughing and finishing to a stable datum. Review support, tool engagement and cutting-fluid delivery around your actual short shaft.
| Your decision | What to define |
|---|---|
| Your fit | Shoulder position, controlled diameter, coaxial bore and mating fit. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Stock, Condition and Fit
Specify exact stock form, condition and lot identity. Retained finishing stock and setup sequence are reviewed for your geometry, not a generic allowance.
| Your decision | What to define |
|---|---|
| Your fit | Shoulder position, controlled diameter, coaxial bore and mating fit. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Measure locating shoulders and bore relationships after the agreed route. Keep your controlled fit and measurement support explicit before repeat quantities.
| Your decision | What to define |
|---|---|
| Your fit | Shoulder position, controlled diameter, coaxial bore and mating fit. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Flanged Housings Before Cutting
For your Grade 4 titanium CNC machining inquiry, define the housing bore, broad mounting face and supported wall sections together. Provide mating bearing or bushing information where it clarifies the accepted geometry.
| Your decision | What to define |
|---|---|
| Your fit | Bore datum, flange face, support pads and mounting pattern. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
For Grade 4 titanium milling services, review accessible pocket radii, wall support and the final locating plane. Connect Grade 4 titanium drilling to depth, chip escape and gauge access.
| Your decision | What to define |
|---|---|
| Your fit | Bore datum, flange face, support pads and mounting pattern. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Stock, Condition and Fit
For Grade 4 titanium chemical processing parts, include medium, temperature, load and mating materials. Neither the grade label nor the housing photograph establishes service acceptance.
| Your decision | What to define |
|---|---|
| Your fit | Bore datum, flange face, support pads and mounting pattern. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Inspect the accessible datum face and bore in the final support state. State which features need recorded results and what evidence accompanies the material lot.
| Your decision | What to define |
|---|---|
| Your fit | Bore datum, flange face, support pads and mounting pattern. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Mounting Plates Before Cutting
For commercially pure titanium Grade 4 CNC machining, connect mounting plates, supported ribs and offset bores to your actual assembly datums. Specify clamping-sensitive faces and the final unsupported profile.
| Your decision | What to define |
|---|---|
| Your fit | Flat mounting pad, offset bore, slot location and supported rib. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
Review tool access and full backing around slots and reliefs. Cutting engagement, coolant delivery and chip removal are selected for the actual supported section.
| Your decision | What to define |
|---|---|
| Your fit | Flat mounting pad, offset bore, slot location and supported rib. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Stock, Condition and Fit
Identify the starting plate and supplied state. Separate purchased material requirements from any later treatment or surface preparation specified by your drawing.
| Your decision | What to define |
|---|---|
| Your fit | Flat mounting pad, offset bore, slot location and supported rib. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Verify pad flatness and bore position after release from the fixture. Define the accepted support condition rather than using clamped measurements as the final part result.
| Your decision | What to define |
|---|---|
| Your fit | Flat mounting pad, offset bore, slot location and supported rib. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Locating Collars Before Cutting
For Grade 4 titanium machined components such as broad locating collars, identify the bore, seating shoulder and controlled contact area. Review the split or clamping ear only when it is part of your drawing.
| Your decision | What to define |
|---|---|
| Your fit | Locating bore, seating face, contact area and any split detail. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
Review Grade 4 titanium threading with the actual engagement, mating material, access and gauge. Separate thread function from adjacent cosmetic surfaces.
| Your decision | What to define |
|---|---|
| Your fit | Locating bore, seating face, contact area and any split detail. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Stock, Condition and Fit
Retain CP Grade 4 identity through blank preparation. Confirm the starting bar or ring form and final operation responsibility before approving stock changes.
| Your decision | What to define |
|---|---|
| Your fit | Locating bore, seating face, contact area and any split detail. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Inspect the bore from the agreed datums and protect locating surfaces during handling. Keep dimensional evidence and material records linked to the same controlled revision.
| Your decision | What to define |
|---|---|
| Your fit | Locating bore, seating face, contact area and any split detail. |
| Your process | Supplied condition, machining sequence and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Resolve 6 Risks Before Releasing Your Grade 4 Titanium Drawing
Connect working profile, supplied state and final fit before approving the first route.
Keep Your Grade and Certificate Connected
Specify UNS R50700, product standard, form, supplied condition and lot identity. State your Grade 4 titanium material certificate requirement at inquiry, including document type and required chemistry or condition evidence.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Review Access Before Releasing Your Drawing
For intersecting bores and threads, define tool access, chip escape and burr-sensitive edges. Connect the mating specification and gauge method to the final assembled requirement.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Support Your Part Through Material Removal
State the accepted unsupported geometry. Connect broad mounting pads and short locating shoulders to secure support. Agree when finishing stock is removed and how the released part is held for its final measurement.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Separate Roughness from Cosmetic Acceptance
Address Grade 4 titanium machining surface finish problems through defined roughness, visual criteria, tool access and edge acceptance. A roughness number alone does not define the appearance your buyer expects.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Review Sliding and Threaded Contacts
For your Grade 4 titanium galling review, identify the mating material, contact load, relative movement and lubrication or surface requirements. A grade name does not establish wear performance.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Measure the Final State Your Assembly Uses
Define controlled dimensions, profile, surfaces and cleaning after the complete agreed route. Grade 4 titanium machining tolerances are reviewed feature by feature; no single tolerance applies to every part.
01 · Requirement
Identify the mating geometry and supported datum.
02 · Route
Connect stock, clamping access and final surface.
03 · Evidence
Agree feature results, condition and lot evidence.
Confirm gradePlan machiningFinish if specifiedInspect
Verify Your Grade 4 Titanium Parts at 3 Stages
01 · Incoming material
Identity, stock form and supplied state.
02 · Agreed final state
Condition, support and final mating features.
03 · Finished parts
Functional geometry, protection and records.
Match Your Stock to the Required Material
Confirm grade, form, condition and heat or lot identity before cutting. Review the requested certificate against the actual purchase specification.
- Specified titanium grade, product form and supplied condition.
- Final working features and locating fits.
- Agreed surface protection and receiving records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Approve Your First Locating Features
Review the first housing or shaft sample against the mating features and drawing datums. Resolve workholding effects, controlled surface criteria and measurement support before repeat quantities.
- Specified titanium grade, product form and supplied condition.
- Final working features and locating fits.
- Agreed surface protection and receiving records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Inspect Your Actual Mating Interfaces
Verify bores, flange position, controlled surfaces and agreed edges. State which dimensions require records and how the finished part is supported during inspection.
- Specified titanium grade, product form and supplied condition.
- Final working features and locating fits.
- Agreed surface protection and receiving records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Protect Your Bores and Locating Shoulders
Agree separate pockets and protection for bores, shoulder faces and mounting pads. Link each delivered lot to the requested material and dimensional records.
- Specified titanium grade, product form and supplied condition.
- Final working features and locating fits.
- Agreed surface protection and receiving records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Connect Your Grade 4 Stock to Finished Geometry
For Grade 4 titanium prototype machining, use the first controlled sample to review datum recovery, supported machining and assembly fits before repeating your drawing. Quantities, timing and scope are confirmed with your quote.
CNC Turning
Grade 4 titanium turning: review short stepped shafts, collars and locating shoulders.
Explore CNC Turning →
CNC Milling
Grade 4 titanium milling: connect housing pockets, mounting pads and supported plate features.
Explore CNC Milling →
Drilling & Thread Review
Define hole access, intersections, thread engagement and gauge requirements.
Explore Drilling & Thread Review →
Final Interface Inspection
Verify working bores, axial shoulders and mounting datums against the controlled drawing.
Explore Final Interface Inspection →Define Your Grade 4 Titanium Surface Finish
Illustrative appearances only. Agree finish suitability, cleaning, masking and final dimensions for your grade and service conditions. Colour does not prove alloy identity, coating thickness or corrosion life.
Surface Finishing →Grade 4 vs Grade 2 Titanium: Compare Your Specification
| Your decision | What to confirm |
|---|---|
| Material identity | Separate grades and the applicable product specification. |
| Forming and geometry | Geometry, available support and actual cutting engagement. |
| Strength and loading | Product-form data and your actual design loads. |
| Service exposure | Medium, concentration, temperature and contact conditions. |
For Grade 4 vs Grade 2 titanium, compare the actual product specification, loading, formability and service exposure. A stronger plate reference does not establish a better material for every part.
Compare the Titanium Family →
Coordinate Your Drawing and Receiving Requirements
Connect China manufacturing with Dallas-area coordination for your drawing review, sample decisions and delivery requirements.
6 Inputs for Your Grade 4 Titanium Quote
01CAD and controlled drawing
02Grade 4 / UNS R50700 and product specification
03Stock form, supplied state and mating information
04Trial and repeat quantities
05Critical fits, supported geometry and surface criteria
06Material records, cleaning, inspection and delivery
Answers Before You Order Grade 4
Is Grade 4 titanium commercially pure?
Yes. Commercially pure titanium Grade 4 / UNS R50700 is unalloyed titanium with controlled residual and interstitial limits. CP titanium Grade 4 does not mean unspecified 100% purity. Order the exact product form, condition and applicable specification.
What is Grade 4 titanium used for?
Review short shafts, flanged housings, mounting plates and locating collars against your drawing, load and service exposure. A material designation or illustrative photograph does not certify an application or confirm project acceptance.
Does Grade 4 titanium rust?
Grade 4 titanium corrosion resistance must be reviewed for the actual medium, concentration, temperature, crevices and dissimilar-metal contacts. No general corrosion-life or immunity guarantee follows from the grade name.
Can Grade 4 titanium be welded?
For your Grade 4 titanium welding inquiry, define the joint, applicable procedure, cleanliness, shielding and inspection requirements. ATI describes CP titanium welding with appropriate contamination control; responsibility and availability need project review.
What controls Grade 4 titanium machinability?
Review tool condition, secure support, cutting engagement, cutting-fluid delivery and chip removal for the actual feature. Discuss Grade 4 titanium galling separately for sliding and threaded contacts, including mating material and surface requirements.
How much does Grade 4 titanium machining cost?
Grade 4 titanium machining cost depends on usable stock, quantities, setups, access, surface acceptance and inspection scope. For your Grade 4 titanium machining quote, compare the same revision and final condition rather than a generic per-kilogram machining price.
Does the chart establish Grade 4 titanium fatigue strength?
No. The chart reports selected ATI plate tensile and yield minima. Grade 4 titanium fatigue strength requires relevant design data, loading, geometry, surface condition and agreed evidence. No finished-part fatigue life is promised from the plate bars.
How do I evaluate a Grade 4 titanium parts manufacturer?
For commercially pure titanium Grade 4 machining services, ask how the supplier connects your material specification, supported datums, first sample and receiving evidence. Agree Grade 4 titanium machining tolerances and surface criteria feature by feature; a generic certificate or tolerance claim does not quote your drawing.
