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ASTM A790 UNS S32750
Standard ASTM A790
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ASTM A790/ASME SA790 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
Standard: ASTM A790, ASME SA790
Equivalent Standards: DIN 17458, GOST 9941-81, GOST 9940-81, EN 10216-5, ASTM A789, ASME SA789, DIN 17456
Material: S32750
Equivalent Material: X2CrNiMoN25-7-4, 1.4410, SAF2507, F53
Chemistry Composition
C, %
Si, %
Mn, %
P, %
S, %
Cr, %
Ni, %
Mo
N, %
Cu, %
0.03 max
0.8 max
1.2 max
0.035 max
0.02 max
24.0-26.0
6.0-8.0
3.0-5.0
0.24-0.32
0.50 max
Mechanical Properties
Tensile Strength , MPa
Yield Strength, MPa
Elongation, %
Hardness, HBW
800 min
550 min
15 min
300 max
Outside Diameter & Tolerance
ASTM A999
NPS
Outside Diameter, inch
Tolerance, mm
1/8≤OD≤1-1/2
+0.40/-0.80
1-1/2<OD≤4
+0.80/-0.80
4<OD≤8
+1.60/-0.80
8<OD≤18
+2.40/-0.80
18<OD≤26
+3.20/-0.80
26<OD≤34
+4.00/-0.80
34<OD≤48
+4.80/-0.80
Wall thickness & Tolerance
Seamless and Welded - Except as required by minimum wall thickness, the wall thickness at any point shall not be more than 12.5 % under the nominal wall thickness specified. The minimum wall thickness on inspection is shown in ASTM A999 Table X1.1.
Minimum Wall - If the wall thickness of the pipe is specified as minimum wall in the purchase order, there shall be no variation under the specified wall thickness.
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max developed length: 32 meters, also U bending can be offered, each leg length can be 15.24 meters.
Keyword: ASTM A790, ASME SA790, Duplex Stainless Steel Pipe, Ferritic/Austenitic Stainless Steel Pipe, Seamless Steel Pipe, Stainless Steel Pipe, Steel Pipe, Welded Steel Pipe.
 
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