Shanghai Bozhong Metal Group Co., Ltd.
                                                                                                           
Verified Supplier
28 Years
Since 1998
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Stainless Steel Seamless Pipe

Price Negotiable
Price: negotiable
MOQ: 1000KG
Delivery Time: 3--10days
Brand: BOZHONG
Product Description

 

Similar Standards

Chinese American German Swedish Japanese Japanese
GB AISI DIN ASSAB JIS DAIDO
4Cr13 420 1.2083 S136 SUS420J2 S-STAR

Chemical Composition

Grades C Si Mn P Mo Ni V Cr
1.2083 0.38-0.45 ≤1.0 ≤1.0 ≤0.03 / 2.5-3.5 / 12.0-13.5
420 0.16-0.25 ≤1.0 ≤1.0 ≤0.04 / ≤0.75 / 12.0-14.0
4Cr13 0.36-0.45 ≤0.6 ≤0.8 ≤0.035 / ≤0.6 / 12.0-14.0
S136 0.34-0.42 0.6-1.3 / ≤0.030 0.30-0.55   0.15-0.40 13.0-14.5


Heat Treatment

Quenching Tempering
Heating Temperature/ºC Cooling Hardness/HRC Heating Temperature/ºC Cooling Hardness/HRC
1000-1050 Oil 52-55 200-300 Air 50-53

 

Mechanical properties editing
● Mechanical properties: Hardness: Annealing, ≤201HB, indentation diameter 3.9 ~ 4.3mm; quenching, ≥50HRC
● Heat treatment specifications and metallographic structure:
Heat treatment specifications:

1) Annealing, slow cooling at 800 ~ 900 ℃ or quick cooling at about 750 ℃;

2) Quenching, oil cooling at 1050 ~ 1100 ℃
3) Tempering, quick cooling at 200 ~ 300 ℃.
Metallographic structure: The structure is characterized by martensite.

shape round square rectangular hollow section
surface black bright 2B finished BA finished
heat treatment as per client's requirement

 

 

 
 
 

 

1. Our Service For You
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices.
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor.

After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.

After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Bozhong Metal Group Co., Ltd.
Location 5F, Building #32, No.518 Xinzhuan Rd, Songjiang District, Shanghai, P.R.China 201612
Contact Person Annie Wang

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