403 Stainless Steel Pipe
403 stainless steel is a martensitic stainless steel with high chromium and low carbon. It is also referred to as UNS S40300 and is commonly adopted in applications requiring high strength and corrosion resistance.
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- Commodity name: 403 Stainless Steel Pipe
403 stainless steel is a martensitic stainless steel with high chromium and low carbon. It is also referred to as UNS S40300 and is commonly adopted in applications requiring high strength and corrosion resistance.
403 Stainless Steel Pipe Description
403 stainless steel pipe has excessive amount of chromium content providing excellent corrosion resistance, making it stable and unaffected in harsh environments. High hardness, toughness and wear resistance are few examples of its good mechanical properties. However, it is less corrosion-resistant than other stainless steels such as 304 or 316 and may not be favorable when used in highly corrosive environments. The Nickel element helps 403 stainless steel form stable austenite and obtain a complete austenite structure, providing the pipe with better strength, plasticity and toughness, aside from excellent hot and cold workability, cold formability, weldability. Additionally, it improves the thermodynamic stability of 403 stainless steel pipes.
Product ParametersProduct Name
403 Stainless Steel Pipe
Type
Steel Pipe
Outer diameter
Round Tube
4mm-200mm
Square Tube
10*10mm-100*100mm
Rectangular Tube
10*20mm-50*100mm
Wall Thickness
0.6mm-6.0mm
Length
1-6 meters, Length can be customized
Standard
ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface
Black, Bright Polished, Rough Turning, Matt Surface Treatment, No. 4. BA, etc.
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.
Certificate
ISO, SGS, BV, etc.
Production Technology
Hot Rolling, Cold Rolling
Edge Processing
Edging, Trimming
Chemical Composition
C
Si
Mn
Cr
Ni
S
P
≤ 0.15
≤ 0.5
≤1.0
11.5～13.0
≥ 0.6
≤ 0.03
≤ 0.04
Mechanical Properties
Tensile Strength Kb (MPa)
Yield Strength σ0.2 (MPa)
Elongation D5 (%)
Hardness
≥485
≥290
≥25
≤ 98HRB
Physical Performance
Density(g/cm³)
Modulus of Elasticity(Gpa)
Coefficient of Thermal Expansion(10-6/°C)
Coefficient of Thermal Conductivity(W/m*K)
Resistivity(10-6 Ω.m)
7.80
190
9.9
21.5
740
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403 Stainless Steel Pipe - Stock Warehouse
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403 Stainless Steel Pipe - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
403 Stainless Steel Pipe - Product Measurement
Outer Diameter Measurement Outer Diameter Measurement Wall Thickness Measurement Outer Diameter Measurement 
Outer Diameter Measurement Outer Diameter Measurement Wall Thickness Measurement Diameter Measurement -
403 Stainless Steel Pipe - Product Packaging
Jiuzhou Metal
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Jiuzhou Metal has 10+ warehouses with ready stock. The annual supply capacity is approximately 10 million tons. It has 10 years of experience in large-scale project supply. The customer reorder rate reaches 86%. We ensure quality and quantity, provide material certificates, and will refund if the products are not qualified, so please be assured the purchase.
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