Bright Hot Forged Steel Rings Round Seamless Ring Roller Scm440
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Name: Hot Forging Sae1045 Scm440 42crmo4 Steel Ring with Milling Surface
Reference
Forged or hydraulic steel roller ring or steel bearing ring , steel forged rings
| Material | 1045,4140, 4340, S355JR, |
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| Equipment | 3150T Open die hydro press |
| Apply | pressure vessel tube plate |
| Melting process | LF+EF+VD |
| Production process | Foring+heat treatment+rough machine+finish machine |
| Ratio | ≥3 |
| Applicable certificate | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
| Cerfificate Authority | ISO,BV,SGS, IST, UL,CTI |
| Deliver condition | Rough machine(N+T);finish machine(Q+T) |
| Inspection equipment | Spectrograph,UT device,tensile and impact test machine,metalloscope,hardness test device |
| Service | Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Custom property
| Elemnets | C | Si | Mn | P | S | Cr | Ni | Mo | Nb |
|---|---|---|---|---|---|---|---|---|---|
| 16MNnD | 0.13-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.030 | ≤0.030 | ≤0.30 | ≤0.30 | -- | |
| 20MnMoNb | 0.16-0.23 | 0.17-0.37 | 1.20-1.50 | ≤0.035 | ≤0.035 | -- | -- | 0.45-0.60 | 0.020-0.045 |
| 304L | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-12.0 | - | |
| 316L | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
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Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
|---|---|---|---|---|---|---|---|---|
| 16MnD | Ø15 | 470-630 | ≥345 | ≥21 | -- | V | -20℃≥34 | ＝＝ |
| 20MnMoNb | Ø15 | ≥635 | ≥490 | ≥15 | U | 37 | 187-229 | |
| 304L | Ø15 | ≥520 | ≥205 | ≥40 | -- | ≤187HBS | ||
| 316L | Ø15 | ≥485 | ≥170 | ≥30 | ≥40 | ≤187HBS |
Product Flow
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET
Advantage:
1.High-precision dimensional tolerance;
2.Excellent mechanical properties;
3.Produce different dimension based on customer’s requirements;
4.Advanced manufacture equipment and inspection devices;
5.Excellent technical personality;
6.Control the production procedure strictly;
7.Pay attention on the package protection;
8.Quality full service.
Packing and delivery
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.