904 Stainless Steel Pipe
This is a high-alloy austenitic stainless steel with high Chromium, Nickel, Molybdenum, and Copper. This composition gives it superior corrosion resistance to standard grades. Its key feature is outstanding resistance to strong reducing acids, notably sulfuric and phosphoric acids, along with excellent resistance to pitting and chloride stress corrosion cracking. Primary applications include equipment for acid production/processing, flue gas desulfurization (scrubbers), and piping in seawater environments.
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- Commodity name: 904 Stainless Steel Pipe
This is a high-alloy austenitic stainless steel with high Chromium, Nickel, Molybdenum, and Copper. This composition gives it superior corrosion resistance to standard grades. Its key feature is outstanding resistance to strong reducing acids, notably sulfuric and phosphoric acids, along with excellent resistance to pitting and chloride stress corrosion cracking. Primary applications include equipment for acid production/processing, flue gas desulfurization (scrubbers), and piping in seawater environments.
904 Stainless Steel Pipe Description
Applications
Sulfuric Acid Plants Phosphoric Acid Plants Sea Water Cooling Chemical Processing Pollution Control Equipment Oil and Gas Production Acid Production Heat Exchangers Pulp and Paper Industry Wire Mesh Filters Product Parameters
Product Name
904L 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
Approximate grade comparison table
UNS GB JIS DIN EN GOST 904L 015Cr20Ni25Mo4.5Cu SUS890L N08904 X1NiCrMoCu25-20-5 1.4539 (X1NiCrMoCu25-20-5) Chemical Composition
C
Si
Mn
Cr
Ni
Mo
S
P
≤ 0.02
≤ 1.0
≤ 2.0
19.0～23.0
23.0～28.0
4.0～5.0
≤ 0.035
≤ 0.045
Mechanical Properties
Tensile Strength Kb (MPa)
Yield Strength σ0.2 (MPa)
Elongation D5 (%)
Hardness
≥490
≥220
≥35
≤ 90HRB
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)
8.0
195
15.5
12.0
94
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904 Stainless Steel Pipe - Stock Warehouse
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904 Stainless Steel Pipe - Product Inspection
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904 Stainless Steel Pipe - Product Measurement
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904 Stainless Steel Pipe- Product Packaging
Taigang Yilian
Your reliable steel supplier
Taigang Yilian 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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