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Stainless steel grade 310MoLN is a fully austenitic stainless steel that does not have intermetallic phases such as intergranular carbide precipitations. The 310MoLN steel grade has an optimized chemical composition designed specifically for applications in urea plants. The nitrogen in the chemical composition helps to stabilize and strengthen the austenitic phase. This material provides improved corrosion-resistance in urea carbamate environments such as high-pressure strippers.
Density: 7.9g/cm3
Character
Very good corrosion resistance to carbamide synthesis.
Good corrosion resistance to intergranular corrosion.
Application
Production of carbamide.
Equal grades
UNS S31050, EN 1.4466, 00Cr25Ni20Mo2N, 25-22-2, X1CrNiMoN25-22-2
ASTM A240 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A182-A182M-13 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Product forms available at A-one Alloy
Bar, plate, sheet, tube, forging
Delivery
Plate/sheet from US & EU in stock. Delivery of bar and forging is 4 weeks.
The chemical composition may vary slightly between different product standards. The required standard will be fully met as specified on the order.
The chemical composition is given as % by weight.
C
Mn
Cr
Ni
Mo
N
Other
Typical
0.01
25.0
22.3
2.1
0.12
ASME II A SA-240
≤0.020
≤2.0
24.0-26.0
20.5-23.5
1.6-2.6
0.09-0.15
ASTM A240
≤0.020
≤2.00
24.0-26.0
20.5-23.5
1.60-2.60
0.09-0.15
EN 10028-7
≤0.020
≤2.00
24.00-26.00
21.00-23.00
2.00-2.50
0.10-0.16
EN 10088-2
≤0.020
≤2.0
24.0-26.0
21.0-23.0
2.0-2.5
0.10-0.16
EN 10088-4
≤0.020
≤2.0
24.0-26.0
21.0-23.0
2.0-2.5
0.10-0.16
LINDE 44-57056 Rev 5 + SC 2015
≤0.020
≤2.00
24.00-26.00
21.00-23.00
2.00-2.50
0.10-0.16
Corrosion resistance
For more information, see Outokumpu Corrosion Handbook.
Pitting corrosion resistance
Crevice corrosion resistance
PRE
CPT
CCT
34
PRE Pitting Resistant Equivalent calculated using the formula: PRE = %Cr + 3.3 x %Mo + 16 x %NCPT Corrosion Pitting Temperature as measured in the Avesta Cell (ASTM G 150), in a 1M NaCl solution (35,000 ppm or mg/l chloride ions).CCT Critical Crevice Corrosion Temperature is the critical crevice corrosion temperature which is obtained by laboratory tests according to ASTM G 48 Method F
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...