Injection Molding
Tooling and molding for your repeat plastic parts.
S7 Tool Steel Machining for Your Impact Tooling
For your S7 tool steel machining services inquiry, identify the impact direction, supported working edge and final locating fit. Define the supplied condition, treatment responsibility and finished-part evidence before cutting.
AISI S7Identify your shock-tooling grade.
Impact & SupportShow the load path and section.
Supplied ConditionConfirm before machining.
Final AcceptanceAgree fit, condition and records.
Know Your S7 Material Before You Order
S7 is a shock-resisting tool steel used for impact-loaded tooling. Evaluate S7 tool steel properties against your load, supported section and final condition. Shock resistance does not mean an unsupported edge cannot chip.
AISI S7
For European sourcing, SIJ lists SIHARD 2357 / Ravne OH253 with material number 1.2357 and DIN 50CrMoV13-1. Its EN designation field is blank; do not turn this comparison into an EN-equivalence claim.
2 Conditions to Separate
Initial machining stock and the final working condition need separate requirements. Confirm your actual product specification and material record.
S7 Tool Steel Composition
| Element | SIHARD 2357 typical wt.% |
|---|---|
| C | 0.50 |
| Si | 0.50 |
| Mn | 0.70 |
| Cr | 3.25 |
| Mo | 1.50 |
| V | 0.25 |
SIJ Metal Ravne producer typical analysis. Not a mill test report or guaranteed maximum/minimum. Verify the actual supplied product.
Connect Impact to Your Drawing
| Decision | Your required input |
|---|---|
| Working load | Impact direction, supported edge and operating environment. |
| Thermal route | Actual section, final condition and responsible provider. |
| Receiving fit | Datums, working profile and specified inspection evidence. |
Air-hardening descriptions do not approve one quench route for every geometry or section.
Compare Selected Alloy Content
Producer typical / average analysis · wt.% · common axis 0–6%
S7 / SIHARD 2357 · C
0.50%
A2 / K305 · C
1.00%
S7 / SIHARD 2357 · Cr
3.25%
A2 / K305 · Cr
5.20%
03%6%
Chemistry comparison only. These bars do not measure toughness, wear resistance, hardness or your material lot. Different producer analyses are not acceptance limits.
SIJ SIHARD 2357 / S7 producer reference ↗ BÖHLER K305 / A2 comparison source ↗
From S7 Stock to Your Finished Tooling
S7 tool steel machinability depends on the supplied condition and the feature being made. Confirm the process sequence for your actual part.
Wire EDM
Connect S7 tool steel wire EDM services to through profiles and final surface requirements.
Explore Wire EDM →
Precision Grinding
Define S7 tool steel grinding services around remaining stock, working faces and inspection state.
Explore Precision Grinding →Custom S7 Tool Steel Parts for Your Tooling
Select the tooling component, then connect machining, working condition and final acceptance.
Define Your Punches Before Cutting
For your S7 tool steel punches, show the working tip, stock being pierced, support length and mounting shoulder. Review side loading and shoulder transitions before choosing the finishing route.
| Your decision | What to define |
|---|---|
| Your fit | Working tip, punch-to-die relationship and supported shank. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
Plan S7 tool steel CNC machining from stable locating lands. For S7 tool steel turning, keep the shank supported and identify surfaces that require final grinding.
| Your decision | What to define |
|---|---|
| Your fit | Working tip, punch-to-die relationship and supported shank. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Section, Treatment and Fit
Connect the target working condition with actual section, remaining finish stock and datum recovery. Define the treatment provider and final inspection state.
| Your decision | What to define |
|---|---|
| Your fit | Working tip, punch-to-die relationship and supported shank. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Measure the finished shank, tip profile and shoulder relationship. Agree edge acceptance, protection and material records.
| Your decision | What to define |
|---|---|
| Your fit | Working tip, punch-to-die relationship and supported shank. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Shear Inserts Before Cutting
For your S7 shear inserts, specify the supported working edge, mounting pattern and material being cut. Do not treat a blade appearance as proof of a working hardness.
| Your decision | What to define |
|---|---|
| Your fit | Blade seating face, edge support and mounting geometry. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
For S7 tool steel milling, review clamp access, pocket geometry and stock removal balance. Separate roughing dimensions from the final working edge.
| Your decision | What to define |
|---|---|
| Your fit | Blade seating face, edge support and mounting geometry. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Section, Treatment and Fit
Agree the full route before closing the seating face and edge geometry. Review local section changes and finish stock for the actual drawing.
| Your decision | What to define |
|---|---|
| Your fit | Blade seating face, edge support and mounting geometry. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Check seating flatness, mounting locations and final edge condition after the agreed route. Define the required inspection records.
| Your decision | What to define |
|---|---|
| Your fit | Blade seating face, edge support and mounting geometry. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Die Components Before Cutting
For your S7 tool steel die components, show the working aperture, supporting land and mating tooling. Connect the grade decision to repeated load and edge support.
| Your decision | What to define |
|---|---|
| Your fit | Working opening, backing section and locating features. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
Choose the reachable milling, grinding or through-profile route. For S7 tool steel wire EDM, identify the final surface condition and profile acceptance.
| Your decision | What to define |
|---|---|
| Your fit | Working opening, backing section and locating features. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Section, Treatment and Fit
Define treatment responsibility, working condition and remaining stock on controlled faces. Agree how the final datum system will be recovered.
| Your decision | What to define |
|---|---|
| Your fit | Working opening, backing section and locating features. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Inspect the aperture, locating geometry and supported working lands after finishing. State the required records and identification.
| Your decision | What to define |
|---|---|
| Your fit | Working opening, backing section and locating features. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Define Your Impact Tool Components Before Cutting
For your S7 tool steel impact tooling, show the striker face, holder or mounting interface and the direction of repeated load. Include the surrounding support in your drawing review.
| Your decision | What to define |
|---|---|
| Your fit | Impact face, holder bore, mounting seat and load direction. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Plan Access and Your Final Datum
Plan tool access around broad support faces and accessible mounting features. Keep the clamping arrangement clear of the final working geometry.
| Your decision | What to define |
|---|---|
| Your fit | Impact face, holder bore, mounting seat and load direction. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Connect Section, Treatment and Fit
Specify the working state for the actual duty and section. Review the complete thermal and finishing route before approving the first sample.
| Your decision | What to define |
|---|---|
| Your fit | Impact face, holder bore, mounting seat and load direction. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Inspect the Finished Working Features
Check the finished seat, bore or locating land from the agreed datum scheme. Protect the working surfaces during shipment.
| Your decision | What to define |
|---|---|
| Your fit | Impact face, holder bore, mounting seat and load direction. |
| Your process | Machining state, specified thermal route and final finishing. |
| Your approval | Controlled geometry, working condition and receiving evidence. |
Resolve 6 Risks Before Releasing Your S7 Drawing
Connect impact duty, edge support and final fit before approving the first route.
Confirm the Actual Stock Before Programming
Record the product specification, lot identity and actual condition. Similar S7 steel names from different suppliers do not establish identical supplied condition or response.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Keep Your Locating Features Reachable
Separate rough mounting holes from final dowel fits. Identify the datum surfaces that must remain measurable after finishing.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Agree the Full Thermal Route
For S7 tool steel heat treatment, specify the actual section, working requirement and responsible provider. Agree finishing stock and final datum recovery rather than assuming zero movement.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Support Your Working Edge and Shoulder
Show impact direction, engagement and supporting section. Generous transitions and a suitable working profile require drawing review; shock resistance is not a guarantee against chipping.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Protect the Steel Without Losing the Fit
S7 is not stainless. Connect surface protection, masking, cleaning and storage to the final working land and mounting faces.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Inspect After the Operations That Change Fit
S7 tool steel machining tolerances belong to your drawing and agreed route. Identify the inspection condition and the controlled working features after treatment and finishing.
01 · Requirement
Show the working load and controlled feature.
02 · Route
Agree section, working state and finish stock.
03 · Evidence
Verify the finished geometry and specified condition.
Rough machineTreat if specifiedFinishInspect
Agree Your Working Surface
Illustrative appearance only. Review process compatibility, masking and final fit for the actual working condition. No coating or treatment is included unless agreed.
Surface Finishing →S7 vs A2: Compare Your Duty
| Decision | What your drawing must resolve |
|---|---|
| Impact and edge support | Load direction, section and acceptable working-edge condition. |
| Wear and finishing | Material being worked, contact and final process route. |
| European sourcing | 1.2357 / DIN 50CrMoV13-1 is a producer comparison. Confirm purchase specification and condition. |
A chemistry bar does not rank service life or approve a substitute.
Review A2 Tool Steel →Verify Your S7 Tooling at 3 Stages
01 · Incoming material
Identity, stock form and supplied state.
02 · Specified treatment
Actual working condition and remaining stock.
03 · Finished tooling
Functional geometry, protection and records.
Confirm Your Supplied Stock
Check grade identity, stock form, actual condition and agreed lot records before preparing the machining route.
- Specified S7 product and supplied condition.
- Final working features and locating fits.
- Agreed treatment, surface protection and records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Review the Tooling Through Its Complete Route
Check datum recovery, finish stock and the actual working profile after the agreed treatment and finishing sequence.
- Specified S7 product and supplied condition.
- Final working features and locating fits.
- Agreed treatment, surface protection and records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Verify the Mounting and Working Features
Inspect the finished punch shank, die opening, blade seat or holder bore from the agreed datum system. Define working-edge acceptance separately.
- Specified S7 product and supplied condition.
- Final working features and locating fits.
- Agreed treatment, surface protection and records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
Protect the Working Surfaces and Records
Agree identification, corrosion protection, separate packaging pockets and the material or inspection records required at receiving.
- Specified S7 product and supplied condition.
- Final working features and locating fits.
- Agreed treatment, surface protection and records.
Sampling and document scope are agreed with your quotation.
Quality Assurance →
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 S7 Quote
01CAD and controlled drawing
02S7 product specification and stock form
03Supplied condition and treatment responsibility
04Trial and repeat quantities
05Impact direction, working fit and surface requirements
06Inspection records and delivery needs
Answers Before You Specify S7
What S7 tool steel hardness should I specify?
State the actual working duty, section, test method and locations. Stock condition and final working hardness are separate requirements; a producer tempering curve is not a guarantee for your part.
Does S7 tool steel rust?
Yes. S7 requires appropriate protection for its environment and storage. Agree cleaning, masking and any protective finish without changing the final working or mounting fit.
Can S7 tool steel be welded?
Treat repair or joining as a separate engineering review. Identify the grade, existing condition, section and required final properties before agreeing a procedure and inspection scope.
What changes for hardened S7 tool steel machining?
Confirm the actual hardness, feature and stock allowance before selecting the route. S7 tool steel hard turning needs review of workholding, tool access, interrupted cuts and the final surface requirement; it is not the default for every hardened feature.
Can I use one heat-treatment recipe for every S7 part?
No. Review the actual section, geometry, stock chemistry, furnace and required final condition with the responsible provider. Agree how the first route sample and final records are accepted.
Is 1.2357 automatically an EN equivalent for S7?
SIJ lists 1.2357 and DIN 50CrMoV13-1 alongside S7, with no EN name in that sheet. Use these as sourcing references, then approve the exact product specification and supplied condition before substitution.
What controls S7 tool steel grinding allowance?
Your geometry, treatment route, datum recovery and final tolerance determine the stock to retain. Agree the allowance before rough machining; do not apply one number to every section.
How much does S7 tool steel machining cost?
For your S7 tool steel machining quote, send CAD, the controlled drawing, quantities, actual stock condition, working requirement, treatment responsibility and final inspection scope. Include the loaded face and support geometry.
