custom made 321 stainless steel bolts

Custom Made 321 Stainless Steel Bolts

Custom made 321 stainless steel bolts are the Ni-Cr-Mo austenitic stainless steel bolts, its performance is very similar to grade customized 304L stainless steel bolt.

Custom made 321 stainless steel bolts have good corrosion resistance in the atmosphere and are widely used in petrochemical, electric power, bridge and automobile industries.

Custom Made 321 Stainless Steel Bolts Specifications

Product NameCustom Made 321 Stainless Steel Bolts
Raw Materials321 Stainless Steel
SizeCustomized or According to Your Drawing
SamplesSample Available
Tolerance+/-0.01mm to +/-0.005mm
Testing EquipmentCMM; Tool microscope; Multi-joint arm; Automatic height gauge; Manual height gauge; Dial gauge; Marble platform; Roughness measurement
LogoCustom Logo Available
OEM/ODMAvailable
Surface TreatmentAnodizing, Passivation, Polishing, Plating, Painting, Black Oxide, Powder Coating, Brushing, Heat Treatment, Surface Phosphating, Hot Dip Galvanizing, Surface Treatment Dacromet, etc
File FormatsSolidWorks, Pro/E, AutoCAD (DXF, DWG), PDF, TIF, JPG, etc
ServicesEngineering&Design Consulting, Assembly, Surface Finishing, Materials Sourcing, Custom Packaging Services, etc
Quality SystemISO9001, SGS, TUV

Your Reliable Custom Made 321 Stainless Steel Bolts Manufacturer In China

Custom Made 321 Stainless Steel Bolts: The Complete Guide

Custom made 321 stainless steel bolt is a customized stainless steel fastener with good features.

To do that, you must consider the design, applications, materials specifications, surface treatment, production process, selection, packaging, etc.

The best part?

You will learn all that in this custom made 321 stainless steel bolts guide.

So, let’s get straight to the main subject of this guide.

So enjoy the read…

What are custom made 321 stainless steel bolts?

Custom made 321 stainless steel bolts (UNS S32100 bolt) are titanium stabilized austenitic stainless steel that features improved resistance to intergranular corrosion.

While corrosion resistance is similar to 304 and 304L fasteners in the annealed condition, it features higher creep and stress rupture properties, making it ideal for pressure vessels and boiler applications.

What are custom made 321 stainless steel bolts used for?

  • Petroleum waste gas combustion pipeline
  • Engine exhaust pipe
  • Boiler shell, heat exchanger, heating furnace parts
  • Silencer parts for diesel engines
  • Boiler pressure vessel
  • Chemical transport truck
  • Expansion joint
  • Spiral welded pipes for furnace and dryers

Custom made 321 stainless steel bolts raw materials features

1.Grade 321 stainless steel related standards

321 Stainless Steel Standards Comparison Table
STSUSAUNSCHINAEURONORMRUSSIASWEDISHJAPANESE
GRADEAISI/ASTMNOGBNONAMEGOSTSSJIS
321321S321000Cr18Ni11Ti1.4541X 6 CrNiTi 18 1012KH18N10T2337SUS 321

2.Grade 321 stainless steel chemical composition

GradeStandardCSiMnPSCrNiMo
321ASTM A240≤0.08≤1.00≤2.00≤0.045≤0.03017.00-19.009.00-12.00

3.Grade 321 stainless steel mechanical properties

GradeEN GradeYield Strength Rp0.2(N/mm²)Tensile Strength Rm(N/mm²)HardnessVickers Hardness(HV)Elongation A50%
3211.4541≥205≥520Annealed≤200≥40

Custom made 321 stainless steel bolts surface treatment

Different surface finish will be used for different custom made 321 stainless steel bolts applications.

Customers can choose the corresponding surface finish according to their own usage.

HZW offers high standard finishing services including anodizing, passivation, brushing, polishing, blackened, plating, painting, powder coating, heat treatment, surface phosphating, hot dip galvanizing, surface treatment dacromet, etc.

Custom made 321 stainless steel bolts packaging

Our HZW professional team are experienced at your custom made 321 stainless steel bolts packaging to assure no any damages of products during transportation.

Here below list you can check:

  • Inner packaging: plastic wrap, bubble bag, PE foam, EPE cotton, PP bag etc;
  • Outer packaging: carton box, wooden case, wooden pallets etc;
  • Customized packaging as your request (Logo or other contents accepted to be printed on the custom fasteners outside packaging);
  • Other special packaging will be designed as customer’s request;
  • Shipping port: Shanghai, Ningbo or as your request.

How to choose your custom made 321 stainless steel bolts manufacturer in China?

HZW is one of the leading custom fasteners and non standard special fasteners manufacturers in China.

HZW provides best quality customized products and manufacturing services for your every fastening projects.

Our company bears no compromise on quality. We use the prime quality metal and special alloys materials along with the advanced equipment and precision production processes.

We revise the orders and take thorough insights before forwarding the order to the final production line. This makes sure the every production is carried out in the most effective manner with zero errors.

Our professional team engineers can help deliver our customers with fast, clear and professional looking technical formats.

We can also provide these drawings in a variety of different types to suit your demands whether it be the SLDPRT, dwg format or pdf file.

If you want to purchase custom fasteners and non standard special fasteners products, why not contact us here for saving your time and money?

Conclusion

Clearly, there are also other parts we should consider when it comes to custom made 321 stainless steel bolts design and production.

Talk to our expert team today, and we’ll supply you both standard and custom made 321 stainless steel bolts.