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ASTM A312 EN10216 Stainless Steel Tubing Max 12m Cold Rolled Hot Extrusion

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ASTM A312 EN10216 Stainless Steel Tubing Max 12m Cold Rolled Hot Extrusion

Name: ASTM A312 EN10216 Stainless Steel Tubing Max 12m Cold Rolled Hot Extrusion
Brand: HAOSTEEL
SKU: HS304
Price: 1.00 USD
Availability: InStock
Rating: 5 (130 reviews)

Large Image : ASTM A312 EN10216 Stainless Steel Tubing Max 12m Cold Rolled Hot Extrusion

Product Details:

Place of Origin:	CHINA
Brand Name:	HAOSTEEL
Certification:	ISO9001
Model Number:	HS304

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiation
Price:	Negotiation
Packaging Details:	Woven bags and plastic strips inside packing, wooden case and steel strips outside packing.
Delivery Time:	5-10 working days after order confirmed and receive deposit
Supply Ability:	5000tons per month

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Detailed Product Description

Product Name:	Stainless Steel Pipe	Standard:	ASTM A312 A213 A249
Surface:	Mill Finish, Polished	Thickness:	3mm ~ 60mm
OD:	6mm ~ 4800mm	Length:	Max 12m
High Light:	ASTM A312 Stainless Steel Tubing , EN10216 Stainless Steel Tubing , Max 12m stainless steel round tube

Thick wall 446 1.4418 stainless steel tube pipe cold rolled hot extrusion

Description:

ASTM A312 EN10216 stainless steel tube pipe.

Stainless steel seamless tube pipe manufacturing process
1. Hot rolling (extrusion seamless steel pipe): round billet → heating → perforation → three-roll cross-rolling, continuous rolling or extrusion → pipe removal → sizing (or reducing diameter) → cooling → straightening → hydraulic test (or flaw detection) → mark → warehousing

Details:
The raw material for rolling the seamless pipe is a round tube blank, and the round tube blank is cut into a blank having a length of about 1 m by a cutting machine, and sent to a furnace for heating via a conveyor belt. The billet is fed into a furnace and heated to a temperature of approximately 1200 degrees Celsius. The fuel is hydrogen or acetylene. Furnace temperature control is a key issue. After the round billet is released, it is subjected to a through-hole punching machine. The more common perforating machine is a conical roller punching machine. This perforating machine has high production efficiency, good product quality, large diameter of perforation and can wear a variety of steel types. After perforation, the round billet is successively rolled, rolled or extruded by three rolls. After extrusion, the tube should be sizing. The sizing machine is rotated at a high speed by a conical drill bit into a steel core to form a steel pipe. The inner diameter of the steel pipe is determined by the outer diameter of the sizing machine drill bit. After the steel pipe has been sized, it enters the cooling tower and is cooled by water spray. After the steel pipe is cooled, it is straightened. After the steel pipe is straightened, it is sent to a metal flaw detector (or water pressure test) by a conveyor belt for internal flaw detection. If there are cracks inside the steel pipe, bubbles and other problems will be detected. After the quality inspection of the steel pipe, it must be carefully selected by hand. After the quality inspection of the steel pipe, the paint is sprayed with the number, specification, production batch number, etc. It is hoisted into the warehouse by a crane.

2. Cold drawn (rolled) seamless steel pipe: round tube billet → heating → perforation → head → annealing → pickling → oiling (copper plating) → multi-pass cold drawing (cold rolling) → blank tube → heat treatment → straightening →Hydraulic pressure test (inspection)→marking→into the warehouse.

The rolling method of cold drawn (rolled) seamless steel pipe is more complicated than hot rolling (extrusion seamless steel pipe). The first three steps of their production process are basically the same. The difference begins with the fourth step. After the round billet is hollowed out, it is required to start and anneal. After annealing, it is acid washed with a special acidic liquid. After pickling, apply oil. This is followed by a multi-pass cold drawing (cold rolling) of the blank tube, followed by a special heat treatment. After heat treatment, it is straightened.

Tag:

polished stainless tube,

industrial steel pipe,

seamless steel tube

Contact Details

Shanghai Haosteel Co., Limited

Contact Person: Haosteel

Tel: +8615214384812

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