
Seamless Stainless Steel Tubing ,321H ,X8CrNiTi18-10 ,1.4878, 1
inch ,1.25 inch ,1.5 inch ,2 inch ,
Zheheng steel deal with 321H ,X8CrNiTi18-10 ,1.4878, 321H Seamless Stainless Steel Tubing has different names in different standards, the European standard
is 1.4878, the chemical conforms to X8CrNiTi18-10 , and in the American standard we are generally called 321H ,
referred to as ,321H Seamless Stainless Steel Tubing. Zheheng steel is a Chinese company specializing in the production
of various 5 inch 6 inch 7 inchh , 321H austenitic stainless steel seamless
tubing. The products are strictly in accordance with the American
standard. European standard, Japanese standard implementation.
321H stainless steel seamless tubing is used in field open-air
machines for chemical, coal and petroleum industries with high
resistance to intergranular corrosion, heat-resistant parts for
building materials and parts with difficult heat treatment.
A269 TP321H Stainless steel seamless tubing Chemical Composition
(Unit %) according to ASTM standard :
Grade | A213 TP321H |
UNS Grade | S32109 |
Carbon % Max | 0.04-0.1 |
Manganese % | 2 |
Phosphorus % Max | 0.045 |
Sulfur % Max | 0.03 |
Silicon % Max | 1 |
Chromium % | 17.00-19.00 |
Nickel % | 9.0-12.0 |
Molybdenum % | … |
Nitrogen % Max | … |
Niobium % | … |
Titanium % | 4*(C+N)-0.7 |
Others Elements % | … |
Stainless Pipe Grade | A213 TP321H |
UNS Grade | S32109 |
Tensile Strength Mpa | 515 |
Yield Strength Mpa | 205 |
Elongation % | 35 |
Hardness Brinell HBW max | 192 |
Hardness Vickers HV max | 200 |
Hardness Rockwell HRB max | 90 |
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 ,321H
,X8CrNiTi18-10 ,1.4878 packing show:
Wenzhou Zheheng Steel Industry Co.,Ltd
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects .
After years of efforts,we now became more and more stronger , we have consist of four company respectively located in wenzhou(headquarter),lishui,chengdu city,two factorys of ss stainless pipe workshop in lishui ,another one ss pipe fittings workshop located in wenzhou ,one domestic sales company located in chengdu.
On Time, On Budget, For Over 20 Years
Our reputation is for providing competitive prices, technical services and on time deliveries for every project for over 20 years. Our inventory is computerized so our employees can respond quickly to all your requests. If a specific product is not in stock when you request it, we guarantee same day shipping or shortest lead time available.
Our regular feture products are 304/304L,316L, 321,310s,austentic serious ,duplex steel 2205 ,hastelloy c276,inconel 625 ,and super stainless steel 904L , All of our products meet or exceed AISI/ASTM A213 ,A269,A312,EN 10216,GHOST 9941 ,GB,JIS standard. per your specific requirements and include full documentation.
More photos about our workshop :