China China New Product Where To Forge Rings London - Forged Tubes – DHDZ Manufacturer & Supplier

China New Product Where To Forge Rings London - Forged Tubes – DHDZ

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We keep on with the theory of "quality first, provider initially, constant improvement and innovation to meet the customers" with the management and "zero defect, zero complaints" as the standard objective. To great our company, we deliver the merchandise using the fantastic excellent at the reasonable price for Spectacle Flange, Pn10 Gost 12820 Flange, Forgings Steel Orifice Flanges, We warmly welcome merchants from your home and overseas to contact us and set up business enterprise partnership with us, and we'll do our greatest to serve you.

China New Product Where To Forge Rings London - 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

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° ? ≥63
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

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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for China New Product Where To Forge Rings London - Forged Tubes – DHDZ , The product will supply to all over the world, such as: Poland, Uganda, Myanmar, As operation principle is "be market-oriented , good faith as principle, win-win as objective", holding on "customer first, quality assurance, service first" as our purpose, dedicated to provide the original quality, create excellence service , we won the praise and trust in the industry of auto parts. In the future, We will provide quality product and excellent service in return to our customers , welcome any suggestions and feedback from all over the world.

12 In Forged Steel Ring