Imported Austenitic Stainless Steel

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310S

 

      

Introduction

Stainless steels are known as high-alloy steels. They are classified into ferritic, austenitic, and martensitic steels based on their crystalline structure.

Grade 310S stainless steel is superior than 304 or 309 stainless steel in most environments, because it has high nickel and chromium content. It has high corrosion resistance and strength in temperatures up to 1149°C (2100°F). The following datasheet gives more details about grade 310S stainless steel.

Chemical Composition 

The following table shows the chemical composition of grade 310S stainless steel.

Element Content (%)
Iron, Fe 54
Chromium, Cr 24-26
Nickel, Ni 19-22
Manganese, Mn 2
Silicon, Si 1.50
Carbon, C 0.080
Phosphorous, P 0.045
Sulfur, S 0.030

Physical Properties

The physical properties of grade 310S stainless steel are displayed in the following table.

Properties Metric Imperial
Density 8 g/cm3 0.289 lb/in³
Melting point 1455°C 2650°F

Mechanical Properties

The following table outlines the mechanical properties of grade 310S stainless steel.

Properties Metric Imperial
Tensile strength 515 MPa 74695 psi
Yield strength 205 MPa 29733 psi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30
Elongation 40% 40%
Reduction of area 50% 50%
Hardness 95 95

Thermal Properties

The thermal properties of grade 310S stainless steel are given in the following table.

Properties Metric Imperial
Thermal conductivity (for stainless 310) 14.2 W/mK 98.5 BTU in/hr ft².°F

Other Designations

Other designations equivalent to grade 310S stainless steel are listed in the following table.

AMS 5521 ASTM A240 ASTM A479 DIN 1.4845
AMS 5572 ASTM A249 ASTM A511 QQ S763
AMS 5577 ASTM A276 ASTM A554 ASME SA240
AMS 5651 ASTM A312 ASTM A580 ASME SA479
ASTM A167 ASTM A314 ASTM A813 SAE 30310S
ASTM A213 ASTM A473 ASTM A814 SAE J405 (30310S)
       

Fabrication and Heat Treatment

Machinability

Grade 310S stainless steel can be machined similar to that of grade 304 stainless steel.

Welding

Grade 310S stainless steel can be welded using fusion or resistance welding techniques. Oxyacetylene welding method is not preferred for welding this alloy.

Hot Working

Grade 310S stainless steel can be hot worked after heating at 1177°C (2150°F). It should not be forged below 982°C (1800°F). It is rapidly cooled to increase the corrosion resistance.

Cold Working

Grade 310S stainless steel can be headed, upset, drawn, and stamped even though it has high work hardening rate. Annealing is performed after cold working in order to reduce internal stress.

Annealing

Grade 310S stainless steel is annealed at 1038-1121°C (1900-2050°F) followed by quenching in water.

Hardening

Grade 310S stainless steel does not react to heat treatment. Strength and hardness of this alloy can be increased by cold working.

Applications 

Grade 310S stainless steel is used in the following applications:

  • Boiler baffles
  • Furnace components
  • Oven linings
  • Fire box sheets
  • Other high temperature containers.

Stock

Form

Specification

Supply Form

Others

Sheet

Thickness?0.40-4.75mm?General Width?1000?1219?1500mm

Whole Coil or piece of it

Cold Annealed?Surface 2B?2E

Plate

Thickness?4.76-60mm?Width?1500?2000?2500mm?Length?3000?6000?8000?8500mm?Under 10mm plate can be coiled?

Whole Coil or piece of it

Single hot rolling?Solid solution annealed state?Surface 1D

Belt

Thickness?0.10-3.0mm?Width?50-500mm

Whole Coil or Specified size

Cold Annealed?Surface 2B?2E

Bar & Rod

Rolled barΦ5-45mm?Length≤1500mm

Polished Bar?circle?Square?

Solution annealing,descaling

Forged barΦ26-245mm?Length≤4000mm

Weld tube

Outer diameterΦ4.76-135mm?Wall Thickness0.25-4.00mm?Length?≤35000 mm

Base on your requirement

Use for PHE

Seamless Tube

Outer diameterΦ3-114mm?Wall Thickness0.2-4.5mm

Base on your requirement

Use for PHE

Wire

Outer diameterΦ0.1-13mm

Base on your requirement

Ni & Ni alloy, Ti & Ti alloy

Forged piece

roundness and square alloy

Base on your requirement

Steel, Alloy

Flangs

All kinds of Flangs

Base on your requirement

Steel, Alloy

Welding Material

Coil wire Φ0.90mm/1.2mm/1.6mm

Base on your requirement

Certificate of Origin?America, Sweden, Britain, Germany, Austria, Italy, France.

Straight WireΦ1.2mm/1.6mm/2.4mm/3.2mm/4.0mm

Welding rodΦ2.4mm/3.2mm/4.0mm

Tube

Elbow, three links, four links, different diameter size

Base on your requirement

Ni & Ni alloy, Ti & Ti alloy

Explosive bonded laminate

Raw Sheet Thickness≥2mm

Base on your requirement

Ni & Ni alloy, Ti & Ti alloy

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