BS S131D Thermal Expansion Steels
| Product parameters | |
| Material Category:: | Austenitic Non-magnetic Stainless Steel |
| Material Technical Standards:: | 2S131:1977 |
| Place of Origin: | P. R. China |
| Terms of Price:: | Ex works, CIF, and CFR |
| Melting Process Route:: | EAF + LF + VD / + ESR, BEF + ESR |
| Min. order quantity Per Batch:: | 2000 KG |
| Product Shapes:: | Round bar, Flat bar, Forgings. |
| Customs HS code:: | 72284000 |
| Heat Treatment Practice:: | Solution annealed 1040 ℃, water or air cooled |
| Ultrasonic Test Standard:: | ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308 |
| Standard Export Packing Way:: | Wooden box, pallet / tray free from fumigation |
| Production Lead Time:: | Within 65 days after 40% deposit prepayable. |
| Unified Social Credit Code:: | 91510871777942750J |
| Company ISO Register No:: | UQ211218R0 |
Description
BS S131 is usually taken a special steelmaking technique by EAF & AOD followed by electroslag remelting (ESR) / VAR if necessary for special purpose.
Typical Applications
Fasteners used for assembly, components.
Pistons and cylinders.
Precombustion chambers, piston heads for engines.
Bearing equipment & parts.
Forms & Dimmensions available
Round bar: 5.5mm to 550mm
Square bar / Flat bar: 10mm to 550mm
Length: Fixed length or random length or based on the customer's special requirement.
Chemical compositions (Mass Weight - %) - Grade BS S131
C (％): 0.50 ~ 0.60, Si (％): ≤ 0.50, Mn (％): 3.50 ~ 5.50, P (％) ≤: 0.040, S (％) ≤: 0.030
Cr (％): 3.00 ~ 5.00, Ni (％): 11.0 ~ 14.0, Mo (%): ≤ 0.50, Cu (％): ≤ 0.50
Mechanical properties under room temp.
Form: bar, plate, and forgings
Heat treatment condition: cold finished
Tensile strength, σb/MPa: 1000
Yield strength, σ0.2/MPa: -
Elongation, δ(％): 40.0
Reduction of area, ф (％): -
Hardness under solution condition | HBW: 289 max.
