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321 X6CrNiTi18-10 Round Steel Tubing , Seamless Heat Exchanger Tubes 5 / 6 / 7 Inch

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your stainless steel pipe really as good as Europe and the United States market, I have already listed your company as our core supplier.

—— --USA--Tony

I am so satisfied with your quality when i first visit your factory in china,and your price are same absorbing.

—— --Brazil--José Tadeu

This is our fourth cooperation this year, and I'm very glad that you can deliver the goods on time and even in advance.

—— --Venezuela--lucy sam

i am so happy because i am found a really manufactuer who are specialized in thin wall seamless large diameter stainless steel pipes. god bless

—— --United Arab Emirates --Hevel

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ZheHeng steel ,Stable quality, reasonable price, a great company.

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321 X6CrNiTi18-10 Round Steel Tubing , Seamless Heat Exchanger Tubes 5 / 6 / 7 Inch

Large Image : 321 X6CrNiTi18-10 Round Steel Tubing , Seamless Heat Exchanger Tubes 5 / 6 / 7 Inch

Product Details:

Place of Origin:	CHINA
Brand Name:	ZHEHENG
Certification:	PED .TUV. ISO
Model Number:	5 inch 6 inch 7 inch

Payment & Shipping Terms:

Minimum Order Quantity:	500kgs
Price:	Negotiable
Packaging Details:	plastic bags packing ,wooden crate packing ,or as per customized
Delivery Time:	5--30 days
Payment Terms:	L/C,, T/T
Supply Ability:	300 -500 TONS per month

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Detailed Product Description

Features:	Pickling And Annealed	Material:	321 ,X6CrNiTi18-10 ,1.4541
Standard:	ASTM 249 ，ASTM 269 ，	Outside Diameter:	5 Inch 6 Inch 7 Inch
Wall Thickness:	Sch10 ,sch40	Type:	Smls
Application:	Superheater, HeatExchanger, And Condenser Tubing	HS:	7304419000
High Light:	ss seamless tube , 304 stainless steel seamless pipe

Seamless Stainless Steel Tubing ,321 ,X6CrNiTi18-10 ,1.4541, Round Steel Tubing 5 inch 6 inch 7 inch

Zheheng steel deal with 321 ,X6CrNiTi18-10 ,1.4541, 321 Seamless Stainless Steel Tubing has different names in different standards, the European standard is 1.4541, the chemical conforms to X6CrNiTi18-10 , and in the American standard we are generally called ,321 ,

referred to as ,321 Seamless Stainless Steel Tubing. Zheheng steel is a Chinese company specializing in the production of various 5 inch 6 inch 7 inchh , 321 austenitic stainless steel seamless tubing. The products are strictly in accordance with the American standard. European standard, Japanese standard implementation.

Product description :

Product name :321 Seamless Stainless Steel Tubing ,321 ,X6CrNiTi18-10 ,1.4541
Brand name :zheheng

size:3 inch ,5 inch ,6 inch ,7 inch ,
Material: :321 ,X6CrNiTi18-10 ,1.4541

Length: 6000mm

Standard:ASTM 249 ,ASTM 269 ,and other EN standard.

Surface :Pickling,
Certificate :BV, ,PED, ISO9001
Packing :plastic packing ,
Shipment :By sea,FCL,
Test:Leak Tightness Test ,Non-destructive Test (NDT)
Delivery time : 15-- 60 days ( it is up to quantity and the specification )

Application :

High-quality carbon structural steel, alloy structural steel and stainless steel heat-resistant steel seamless steel tubing used for steam boiler tubing such as high pressure and above. These boiler tubes are often operated under high temperature and high pressure, and pipes are exposed to high temperature smoke. Oxidation and corrosion occur under the action of gas and water vapor. Therefore, the steel pipe is required to have high durability, high oxidation resistance, good structural stability, and hydraulic pillar tubing.

321 seamless stainless steel tubing chemical composition according to ASTM standard :

Chemical Composition about stainless steel pipe
Grade	C ≤	Si ≤	Mn ≤	P ≤	S ≤	Ni ≤	Cr ≤
321	0.04-0.10	0.75	2	0.045	0.03	9.00-13.00	17.00-20.00

The technical composition of pipe for your reference:

Approximate Comparative Table

ASTM/ASME	ISO	USA	JAPAN	BRITAIN	GERMANY		FRANCE	SWEDEN	ITALY	INDIA	CNS
UNS No.	ISO	AISI	JIS	BS	WERKSTOFF DIN		NF	SIS	UNI	IS	CNS
S32100	15	321	SUS321	321S31	1.4541	X6CrNiTi1810	Z6CNT18-10	142337	X6CrNiTi1811	04Cr18Ni10Ti20	321

Our Inspection and Test Procedure:

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

our products Austenitic Seamless Stainless Steel Tubing ,321 ,X6CrNiTi18-10 ,1.4541 packing show:

321 X6CrNiTi18-10 Round Steel Tubing , Seamless Heat Exchanger Tubes 5 / 6 / 7 Inch 0