OEM Customized Forging Ring Rolling Open Die Forging - Forged Tubes – DHDZ
OEM Customized Forging Ring Rolling Open Die Forging - Forged Tubes – DHDZ Detail:
Open Die Forgings Manufacturer In China
FORGED TUBE/ HOLLOW TUBE /FORGED SEAMLESS TUBE
| Max. O.D. | Max. Length | Max. Weight |
| 1000mm | 3000mm | 12 000 Kgs |
DHDZ manufactures seamless forged, heavy wall hollow and sleeves in a variety of customized configurations as per customer requirements. Seamless forged hollows are ideal for high-stress applications and harsh environments due to their durability, strength and corrosion resistance. Hollows can be produced not only in a straight cylindrical shape, but with unlimited variations of O.D.s and I.D.s, including tapers.
Additionally DHDZ offers all downstream processing including heat treatment, machining and mechanical and non-destructive testing, upon request. Contact us today with your exact specifications, our team will work with you to capitalize on our capabilities to minimize material waste and reduce process inefficiencies.
Common used material: 1045 | 4130 | 4140 | 4340 | 5120 | 8620 | 42CrMo4 | 1.7225 | 34CrAlNi7 | S355J2 | 30NiCrMo12 |22NiCrMoV |EN 1.4201 |42CrMo4
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD., as an ISO registered certified forging manufacturer, guarantee that the forgings and/or bars are homogenous in quality and free of anomalies which are detrimental to the mechanical properties or machining properies of the material.
Product Description
We are one leading producer of AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars factory from china.
We could produce AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars with diameters ranging from 100MM to 1200MM, with lenth from 100MM to 10000MM, the weight from 10KGS to 15000KGSs.
We could do rough or final machined of AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars as per the drawing of the clients
Heat treatment: Normalized / Annealed / Quenched / tempered
Surface Treatment: painting, plating, polishing, black oxide, transparent anti-rust oil
Quality control: UT, MT, RT, PT, chemical composition test, mechanical property test, etc.
Inspection
1. Raw material certificate(material chemical composition)
2. Heat treatment sheet report
3. Dimension inspection report
4. UT test report
Delivery condition
Hot forged +Rough machined (black surface after Q /T)+ Turned
Competitive Advantage
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, "in-time" delivery
Case: Steel Grade AISI 4140 Alloy Steel
Physical Properties
| Properties | Metric | Mperial |
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
| Melting point | 1432°C | 2610°F |
AISI 4140 Alloy Steel Relevant Specifications and Equivalents
|
AISI 4130 |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
Cu |
Mo |
|
0.38 – 0.43 |
0.75 – 1.00 |
0.15 – 0.35 |
0.030 max |
0.040 max |
0.80-1.10 |
0.15-0.25 |
0.25 max |
0.35 max |
0.15-0.25 |
|
ASTM A29/A29M |
DIN17350 |
BS 970 |
JIS G4105 |
GB/T 3077 |
AS 1444 |
ISO 683/18 |
|
AISI 4140 |
1.7225/ |
42CrMo4 |
SCM440 |
42CrMo |
4140 |
25CrMo4 |
|
42CrMo4 |
Forging (Hot Work ) Practice , Heat Treatment Proc
|
Forging |
1093-1205℃ |
|
Annealing |
778-843℃ furnace cool |
|
Tempering |
399-649℃ |
|
Normalizing |
871-898℃ air cool |
|
Austenize |
815-843℃ water quench |
|
Stress Relieve |
552-663℃ |
|
Quenching |
552-663℃ |
|
Rm - Tensile strength (MPa) (Q +T) |
≥930 |
|
Rp0.2 0.2% proof strength (MPa) (Q +T) |
≥785 |
|
KV - Impact energy (J) (Q +T) |
+20° ? |
|
A - Min. elongation at fracture (%)(Q +T) |
≥12 |
|
Z - Reduction in cross section on fracture (%)(N+Q +T) |
≥50 |
|
Brinell hardness (HBW): (Q +T) |
≤229HB |
ADDITIONAL INFORMATION
REQUEST A QUOTE TODAY
OR CALL: 86-21-52859349
Product detail pictures:
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With a sound enterprise credit history, exceptional after-sales services and modern production facilities, we've earned an outstanding track record amongst our consumers across the whole world for OEM Customized Forging Ring Rolling Open Die Forging - Forged Tubes – DHDZ , The product will supply to all over the world, such as: Mexico, Plymouth, Mali, In order to meet the increasing requirement of customers both home and aboard, we will keep carrying forward the enterprise spirit of "Quality, Creativity, Efficiency and Credit" and strive to top the current trend and lead fashion. We warmly welcome you to visit our company and make cooperation.
By Meredith from Hongkong - 2018.09.23 17:37
This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
By Elva from Malaysia - 2018.09.19 18:37
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