420 Stainless Steel Pipe
Classification :
Keywords:
Stainless Steel Pipe
420 Stainless Steel Pipe Description
420 is a hardenable martensitic stainless steel that contains at least 12% chromium, just enough to provide corrosion resistance. It has good ductility in the annealed condition, but can be hardened to a minimum Rockwell hardness of 50 HRC, which is the highest hardness in the 12% chromium scale. Due to its hardening properties, 420 are not often welded, although this is possible. Martensitic stainless steel is designed for high hardness, and sometimes other properties will be affected to a certain extent. The corrosion resistance is lower than that of ordinary austenite grades, and its effective operating range is limited by its ductility loss at sub-zero temperatures and strength loss due to excessive tempering at high temperatures. The best corrosion resistance is obtained when the metal is hardened and subjected to surface grinding or polishing.
Product Parameters
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Product Name |
420 Stainless Steel Pipe |
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|
Type |
Steel Pipe |
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|
Outer diameter |
Round Tube |
4mm-200mm |
|
Square Tube |
10*10mm-100*100mm |
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|
Rectangular Tube |
10*20mm-50*100mm |
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|
Wall Thickness |
0.6mm-6.0mm |
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|
Length |
1-6 meters, Length can be customized |
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|
Standard |
ASTM, AISI, JIS, GB, DIN, EN, etc. |
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|
Surface |
Black, Bright Polished, Rough Turning, Matt Surface Treatment, No. 4. BA, etc. |
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|
Scope of Application |
Common applications for stainless steel pipes include food processing, Textile operations, Breweries, Water treatment plants, Oil and gas processing, Fertilizers and pesticides, Chemical applications, Construction, Pharmaceuticals, Auto parts, etc. |
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Certificate |
ISO, SGS, BV, etc. |
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|
Production Technology |
Hot Rolling, Cold Rolling |
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|
Edge Processing |
Edging, Trimming |
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Chemical Composition
|
C |
Si |
Mn |
Cr |
S |
P |
|
≤ 0.15 |
≤1.0 |
≤1.0 |
12.0～14.0 |
≤ 0.03 |
≤ 0.04 |
Mechanical Properties
|
Tensile Strength Kb (MPa) |
Yield Strength σ0.2 (MPa) |
Elongation D5 (%) |
Hardness |
|
≥634 |
≥440 |
≥20 |
Annealing≤ 223HB; quenching and tempering ≥ 192HB |
Physical Performance
|
Density(g/cm³) |
Modulus of Elasticity(Gpa) |
Coefficient of Thermal Expansion(10-6/°C) |
Coefficient of Thermal Conductivity(W/m*K) |
Resistivity(ΜΩ. cm) |
|
7.74 |
200 |
10.2 |
24.9 |
55 |
PACKING AND SHIPPING
Our products are mainly exported to certain areas of Southeast Asia, Latin America, the Middle East and the former Soviet Union. Since the establishment of a factory in 2010, we have been using advanced production equipment to improve product quality and reduce production costs. We now have a good production environment.
WAREHOUSE STORAGE
We have scale advantages, resource advantages, integration advantages, technological research and development advantages, capital operation advantages, and have complete pre -sale, sales and after -sales service systems.
APPLICATION FIELD
The products are widely used in water conservancy projects, military equipment, construction industry, aerospace, automobiles, home appliances and other fields.
CUSTOMER VISIT
Our global footprint extends to over 100+ countries, including major markets like the European Union, the United States, Australia, Southeast Asia, and the Middle East. We are committed to delivering exceptional products and services to customers worldwide.
FAQ
Q:What is your working time?
A:In general, our online service time is: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q:How long does your delivery time take?
A:In general, our delivery time is within 7-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:What are the certifications for your products?
A:We have ISO 9001,EWC and other certifications.
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