CNS CNS 303Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | CNS 303 | CNS | China |
Chemical composition%of the ladle analysis of gradeCNS 303
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| Max 0.15 | Max 1.00 | Max 2.00 | Max 0.20 | Max 0.15 | 17.00-19.00 | 8.00-10.00 |
| Proof strength Rp0.2(MPa) | Tensile strength Rm(MPa) | Impact energy KV(J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness(HBW) |
|---|---|---|---|---|---|---|
| 972(≥) | 547(≥) | 31 | 34 | 42 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 122 |
| Property | Density kg/dm3 | Temperature T °C/F | Specific heat J/kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate |
|---|---|---|---|---|---|---|---|
| 783(≥) | 664(≥) | 31 | 12 | 12 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 124 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 843 | 621 | 235 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
| Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| GH3030 | CNS | China | Classification and designation for superalloys and high temperature intermetallic materials |
| GH3039 | CNS | China | Classification and designation for superalloys and high temperature intermetallic materials |
| 303 | CNS | China | Stainless Steel Billets and Bars for Forging |
| A 314 303 | CNS | China | Stainless Steel Billets and Bars for Forging |
| A 473 303 | CNS | China | Stainless Steel Forgings |
| A 581 Type 303 | CNS | China | Free-Machining Stainless Steel Wire and Wire Rods |
| A 582 Type 303 | CNS | China | Standard Specification for Free-Machining Stainless Steel Bars |
| A 895 Type 303 | CNS | China | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| A 959 Type 303 | CNS | China | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 314 S30300 | CNS | China | Stainless Steel Billets and Bars for Forging |
| A 473 S30300 | CNS | China | Stainless Steel Forgings |
| A 581 S30300 | CNS | China | Free-Machining Stainless Steel Wire and Wire Rods |
| A 582 S30300 | CNS | China | Standard Specification for Free-Machining Stainless Steel Bars |
| A 895 S30300 | CNS | China | Standard Specification for Free-Machining Stainless Steel Bars |
| F 837 Class A1-50 S30300 | CNS | China | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-55 S30300 | CNS | China | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-70 S30300 | CNS | China | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F738 Class A1-50 S30300 | CNS | China | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-70 S30300 | CNS | China | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-80 S30300 | CNS | China | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
