S30800
2026-07-07 15:35:00 Origin： Remark：0 Click：
Technical data sheet ASTM 308 & S30800 round bar, flat bar, plate 20Cr-11Ni austenitic steel, stock , hot rolled, forged, heat treatment
TECHNICAL DATA SHEET - ASTM 308 & UNS S30800
MATERIAL CATEGORY: 20Cr-11Ni austenitic steel
The alloy is usually produced by AOD / EAF followed by electroslag refining (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black in the softened condition.
Final heat treatment - solution treatment.
Bars are usually supplied black in the softened condition.
Final heat treatment - solution treatment.
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
AVAILABILITY
Black bar / flat bar / steel strip / square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
Black bar / flat bar / steel strip / square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): ≤ 0.08
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％): ≤ 0.045
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 19.0～21.0
Nickel, Ni (％): 10.0～12.0
Molybdenum, Mo (％): -
Ferrum, Fe (％): balance.
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％): ≤ 0.045
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 19.0～21.0
Nickel, Ni (％): 10.0～12.0
Molybdenum, Mo (％): -
Ferrum, Fe (％): balance.
MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T)
Form: Plate,sheet,strip
Tensile strength, σb / MPa: 685
Yield strength, σ0.2 / MPa: 240
Elongation, δ5 (％): 50
Reduction of area, ф (％): -
Elongation, δ5 (％): 50
Reduction of area, ф (％): -
Hardness (HBW): 153
Hardness | HRB: 80
Cold bending property: N
HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
TYPICAL APPLICATIONS
Chemical equipment
Mechanical parts used in the condition of corrosion resistance
Bolt and nut
Pressure vessel
Chemical equipment
Mechanical parts used in the condition of corrosion resistance
Bolt and nut
Pressure vessel
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers - Email: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers - Email: sales@ccsteels.com
