Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service, Ferritic Stainless Steel, Seamless Steel Tube, Stainless Steel Tube, Steel Tube; Welded Steel Tube, ASME SA268, 26-3-3, S44660, ASTM A268, FH

ASTM A268/ASME SA268 Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Standard: ASTM A268, ASME SA268

Material: 26-3-3, S44660

Chemistry Composition

C, %	Mn, %	P, %	S, %	Si, %	Cr, %	Ni, %	Mo, %	N, %	Ti+Nb, %
0.03 max	1.00 max	0.040 max	0.030 max	1.00 max	25.0-28.0	1.00-3.50	3.00-4.00	0.04 max	0.20-1.00, & 6(C+N) min

Mechanical Properties

Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
585 min	450 min	20 min	265 max

Outside Diameter & Tolerance

Outside Diameter, mm	Tolerance, mm
OD＜12.7	±0.13
12.7≤OD＜38.1	±0.13
38.1≤OD＜88.9	±0.25
88.9≤OD＜139.7	±0.38
139.7≤OD≤203.2	±0.76

Wall thickness & Tolerance

Outside Diameter, mm	Tolerance, %
OD＜12.7	±15
12.7≤OD＜38.1	±10
38.1≤OD＜88.9	±10
88.9≤OD＜139.7	±10
139.7≤OD≤203.2	±10

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: Ferritic Stainless Steel, Seamless Steel Tube, Stainless Steel Tube, Steel Tube; Welded Steel Tube, ASME SA268, 26-3-3, S44660, ASTM A268

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