321 Welded Stainless Steel Pipe
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 Description


Grade: 321

Thickness: 0.3-20 mm

OD: 6.0-200mm

Length: 6000mm or as customzied

Brand : BAOSTEEL,AOXIANG

Standard: ISO,ASTM,SUS,GB

Surface: 2B,BA,6K,8K,Polished,

Place of origin: China (mainland)

Payment terms : 30% TT as deposit or L/C at sight

 

AISI 321
UNS S32100
EN 1.4541

 

321 stainless steel is Ni-Cr-Ti austenitic stainless steel, its performance and 304 is very similar, but due to the addition of metal titanium, it has a better resistance to grain boundary corrosion and high temperature strength. Due to the addition of metal titanium, so that the effective control of the formation of chromium carbide.

 

Chemical Composition

321CSiMnPSNiCr
≤0.08≤1.00≤2.00≤0.045≤0.039.00~12.0017.00~19.00

 

Mechanical Properties:

321Yield strength σb (MPa):≥520
Tensile Strengthσ0.2 (MPa):≥205
Elongationδ5 (%):≥40
HRB≤90
HV≤200
HB≤187

 

 

Application

Used in anti-grain boundary corrosive requirements of high chemical, coal, oil industry, outdoor open-air machines, building materials, heat-resistant parts and heat treatment difficult parts, such as:

1. Oil exhaust gas combustion pipe

2. Engine exhaust pipe

3. Boiler shell, heat exchanger, heating furnace parts

4. Susencer parts for diesel engines

5. Boiler pressure vessel

6. Chemical transporters

7. Expansion joints

8. Spiral welded pipe for furnace and dryer

 

 

Package And Shipping

MOQ1.5 Ton
Price TermFOB CIF CNF
PaymentL/C at sight or 30% TT as deposit
Delivery Time5-10 days after receiving deposit by T/T or L/C.
SampleSamples free and express charges bear by you

 

 

Standard export package with Kraft paper with wooded trays or as required,containers sizes as follows

20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM, 23MTS

40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM, 27MTS

40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM, 27MTS

 

RFQ

 

Q1: Can I get some samples?
A: Yes, we can supply free sample, but the shipping cost should be paid by our customers.
Q2: How to make payments?
A: 30% T/T in advance , the balance before shippment. 
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. The third-party will be accepted.
Q4:What's your MOQ?
A:Our MOQ is 1.5 ton. 
Q5: How about delivery lead time?
A:Delivery lead time: About 7-15 days after payment confirmed. 
Q6:Is there a discount?
A:Different quantity has different discount.
Q7: Are you trading company or manufacturer ?
A: We are factory. Our factory is located in Wuxi, Jiangsu,about two hours drive from shanghai port.


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