What is the difference between 304, 304H and 304L?Type 304 refers to those materials widely used in the manufacture of wire mesh, which contain 18% chromium or 8% nickel (18-8) on a stainless alloy basis, which will not rust when left outdoors and will not oxidize even when the temperature rises to
8k is actually a standard surface treatment of stainless steel. Stainless steel plate surface polishing and grinding, the surface is bright as a mirror, can shine things reflect people, called mirror 8k.We all know that stainless steel plate a chrome-nickel alloy steel, and 8k in the "8" refers to t
The common specifications of stainless steel wire mesh are 1mm-5mm, and the size of the mesh varies from 5cm-25cm. Stainless steel wire mesh specifications mainly from these three directions to see, respectively, mesh size, aperture, wire diameter, etc.. Common specification is the wire diameter, an
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Hongguan
Shandong Hongguan Steel Group Co., Ltd. is located in the city of Jinan, Shandong Province, China. We are a company mainly producing and processing carbon steel plate/coil and rod, stainless steel plate/coil/rod, cold rolled sheet/coil, aluminum coil/plate, galvanized steel plate/coil, color coated galvanized sheet and other high quality products.
Alloy 400 (UNS N04400) is a solid-solution alloy that can be hardened only by cold working. It has high strength and toughness over a wide temperature range and excellent resistance to many corrosive environments.
Available Tube Product form
Straight
Coiled
Typical Applications
Steam Generators
Reboiler tubes
Brine heaters and evaporator bodies in salt plant
Sulphuric and hydrofluric acid alkylation plant acids
Industries predominantly using this Grade
Chemical processing
Typical Manufacturing Specifications
ASTM B163
ASTM B165
AMS 4574
BS3074
Technical Data / Mechanical Properties
Temper | Annealed | |
---|---|---|
Tensile Rm | 70 | ksi (min) |
Tensile Rm | 480 | MPa (min) |
R.p. 0.2% Yield | 28 | ksi (min) |
R.p. 0.2% Yield | 195 | MPa (min) |
Elongation (2” or 4D gl) | 40 | % (min) |
Specific Heat (0-100°C) | 427 | J.kg-1.°K-1 |
Thermal Conductivity | 21.8 | W.m -1.°K-1 |
Thermal Expansion | 13.9 | mm/m/°C |
Modulus Elasticity | 173 | GPa |
Electrical Resistivity | 5.47 | μohm/cm |
Density | 8.83 | g/cm3 |
Element | Min | Max |
---|---|---|
C | - | 0.3 |
Si | - | 0.5 |
Mn | - | 2 |
S | - | 0.24 |
Cu | Balance | |
Fe | - | 2.5 |
Ni | 63 | 70 |
Shandong Hongguan Steel Group Co., Ltd. is located in the city of Jinan, Shandong Province, China. We are a company mainly producing and processing carbon steel plate/coil and rod, stainless steel plate/coil/rod, cold rolled sheet/coil, aluminum coil/plate, galvanized steel plate/coil, color coated galvanized sheet and other high quality products.
Alloy 400 (UNS N04400) is a solid-solution alloy that can be hardened only by cold working. It has high strength and toughness over a wide temperature range and excellent resistance to many corrosive environments.
Available Tube Product form
Straight
Coiled
Typical Applications
Steam Generators
Reboiler tubes
Brine heaters and evaporator bodies in salt plant
Sulphuric and hydrofluric acid alkylation plant acids
Industries predominantly using this Grade
Chemical processing
Typical Manufacturing Specifications
ASTM B163
ASTM B165
AMS 4574
BS3074
Technical Data / Mechanical Properties
Temper | Annealed | |
---|---|---|
Tensile Rm | 70 | ksi (min) |
Tensile Rm | 480 | MPa (min) |
R.p. 0.2% Yield | 28 | ksi (min) |
R.p. 0.2% Yield | 195 | MPa (min) |
Elongation (2” or 4D gl) | 40 | % (min) |
Specific Heat (0-100°C) | 427 | J.kg-1.°K-1 |
Thermal Conductivity | 21.8 | W.m -1.°K-1 |
Thermal Expansion | 13.9 | mm/m/°C |
Modulus Elasticity | 173 | GPa |
Electrical Resistivity | 5.47 | μohm/cm |
Density | 8.83 | g/cm3 |
Element | Min | Max |
---|---|---|
C | - | 0.3 |
Si | - | 0.5 |
Mn | - | 2 |
S | - | 0.24 |
Cu | Balance | |
Fe | - | 2.5 |
Ni | 63 | 70 |