Grade ASTM 201 304 316 / 022Cr17Ni12Mo2 Welded Round / Square Stainless Steel bar

Corrosion Resistance
Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 60°C.
316 is usually regarded as the standard “marine grade stainless steel”, but it is not resistant to warm sea water. In many marine environments 316 does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.
Heat Resistance
Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 316 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 316L is more resistant to carbide precipitation and can be used in the above temperature range. Grade 316H has higher strength at elevated temperatures and is sometimes used for structural and pressure-containing applications at temperatures above about 500°C.
Heat Treatment
Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. These grades cannot be hardened by thermal treatment.
Welding
Excellent weld ability by all standard fusion and resistance methods, both with and without filler metals. Heavy welded sections in Grade 316 require post-weld annealing for maximum corrosion resistance. This is not required for 316L.
316L stainless steel is not generally weld able using oxyacetylene welding methods.
Machining
316L stainless steel tends to work harden if machined too quickly. For this reason low speeds and constant feed rates are recommended.316L stainless steel is also easier to machine compared to 316 stainless steel due its lower carbon content.
Hot and Cold Working
316L stainless steel can be hot worked using most common hot working techniques. Optimal hot working temperatures should be in the range 1150-1260°C, and certainly should not be less than 930°C. Post work annealing should be carried out to induce maximum corrosion resistance.
Most common cold working operations such as shearing, drawing and stamping can be performed on 316L stainless steel. Post work annealing should be carried out to remove internal stresses.
Hardening and Work Hardening
316L stainless steel does not harden in response to heat treatments. It can be hardened by cold working, which can also result in increased strength.
Typical applications include:

• Food preparation equipment particularly in chloride environments.

• Pharmaceuticals

• Marine applications

• Architectural applications

• Medical implants, including pins, screws and orthopedics implants like total hip and knee replacements

One station  professional services.

1. We will count cheapest shipping cost and make invoice to you at once.


2. Professional design, experienced operators, completed production lines, reliable service. U-VIEW will offer you "one-station" service.


3. Quality control is in every step. And will check again before packing, then ready for shipment. Will ship out in first time once get your order.


4. Double check and enough communication during document preparation. Send document necessary to you once we get them.  

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Company introduction

Liaocheng Zhicheng Pipes Co., Ltd. which is located in Shandong Province,China.  is an industrial and trading company. We mainly produce and deal with carbon steel pipes and alloy steel pipes. In addition, steel rods, steel sheets, steel building materials and machinery parts are also our general trading products. We are not only a manufacturer but also a stock keeper. We normally keep more than 5,000 tons of pipes in various sizes and standards. Our stock pipe size ranges from 20mm to 406mm in outside diameter and from 2mm to 70mm in wall thickness.
With competitive price and excellent quality our products have been exported to America, Japan, Greece, Russia,Spain, Chile and many other countries. I hope we can establish business relationship with you and expand your business scale. we are professional and experienced supplier of steel products in china. We will provide you with high quality and low price, and we also offer good service. If our products can meet your needs, please contact us freely. We are looking forward to cooperating with you, and welcome your inquiry!

Warehouse visiting

We mainly produce and deal with carbon steel pipes and alloy steel pipes. In addition, steel rods, steel sheets, steel building materials and machinery parts are also our general trading products. We are not only a manufacturer but also a stock keeper.

Order process

Different products purchasing by customers.

carbon steel pipes and alloy steel pipes. In addition, steel rods, steel sheets, steel building materials for choice.

Q:What kind of work does your company do?

A:Our company is a professional manufacturer.

We mainly produces stainless steel plate/pipe/coil/round bars,as well as aluminus plate/pipe/coil/bar

Q:What are the advantages of your company?
A:
(1): Prime quality and reasonable price.

(2): Wide excellent experiences with after-sale service.

(3): Every process will be checked by responsible QC which insures every product's quality.

(4): Professional packing teams which keep every packing safely.

(5): Trial order can be done in one week.

(6): Samples can be provided as your requirements.

Q:What is your terms of payment ?

A: 30% T/T in advance ,balance T/T or LC at sight.

Q:What about your price?

A:Our price is very competitive because we are a factory.

Q:How long is your delivery time?

A:Different products have different delivery time.The products will be delivered as soon as possible on the basis of the quality assurance.Usually the delivery time is within5 days after we received your deposit.