China Chinese wholesale Welding Neck Flange - Forged Tubes – DHDZ Manufacturer & Supplier

Chinese wholesale Welding Neck Flange - Forged Tubes – DHDZ

Short Description:

Product Detail

Product Tags

Feedback (2)

Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, have confidence in the very first and management the advanced" for Steel Forgings, Custom Flange, Pipe Fitting Floor Flanges, Our company has already set up a professional, creative and responsible team to develop clients with the multi-win principle.

Chinese wholesale Welding Neck Flange - 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

Product detail pictures:

Related Product Guide:

With advanced technologies and facilities, strict high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Chinese wholesale Welding Neck Flange - Forged Tubes – DHDZ , The product will supply to all over the world, such as: Angola, Sri Lanka, Russia, Make sure you genuinely feel free to send us your requirements and we are going to respond for you asap. We now have got a skilled engineering group to serve for your just about every detailed needs. Cost-free samples could be sent to suit your needs personally to understand much more information. In an effort to meet your requires, be sure to seriously feel free to make contact with us. You may send us emails and contact us directly. Moreover, we welcome visits to our factory from around the globe for much better recognizing of our organization. nd objects. In our trade with merchants of numerous countries, we usually adhere for the principle of equality and mutual benefit. It is really our hope to market, by joint efforts, each trade and friendship to our mutual advantage. We look forward to getting your inquiries.

Ansi B16.5

Asme B16.5 Orifice Flange

Centrifugal Mill Roll

Large Diameter Flanges

Oval Flange

Plumbing Flanges

Pn 1.0mpa Flange

Precision Mould Forging Part

Ring Forging

Threaded Hub Flange

This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.