ASTM A213 T91 Alloy Steel Seamless Tube

We are one of the leading Manufacturers, Supplier and Exporters of high quality ASTM A213 T91 Alloy Steel Seamless Tube, SA213 T91 Tubes & Pipes. These ASTM A213 / ASME SA213 T91 Alloy Steel SMLS Tubes/Pipes are widely used in various application industry such as Oil & Gas, Power, Fertilizers, Heat-Exchangers, Paper & Pulp, pharmaceuticals, Chemicals, Water Treatment, Dairy etc. We are Offered at competitive prices for ASTM A213 / ASME SA213 T91 Alloy Steel Seamless Tubes/Pipes in the Global market.

Specification :
Size (Seamless):6.35mm o.d to 101.60mm o.d
Standards:ASTM A213, ASME SA213
Equivalent Standards:EN 10216-2, ASTM A213, GOST 550-75, WN 1.4903
Material:T91, K91560
Equivalent Material:X10CrMoVNb9-1, 1.4903, P91, K91560
Type:Seamless
Specialized in:Large Diameter Size
Outer Dimensions:6-2500mm; WT:1-200mm
Wall Thickness:Schedule 3mm to 15mm.
Length:max 1~12m
Schedule:STD, SCH40, SCH80
Form:Round, Square, Rectangular, Hydraulic Etc.
Length:Single Random, Double Random & Cut Length.
Tubing End:Plain End, Beveled End, Treaded.
Chemical Compositions of ASTM A213 / ASME SA213 T91 Alloy Steel SMLS Tube:

C, %Mn, %P, %S, %Si, %Cr, %Mo, %V, %N, %Ni, %Al, %Nb, %
0.08-0.120.3-0.60.02 max0.01 max0.2-0.58.0-9.50.85-1.050.18-0.250.03-0.070.4 max0.04 max0.06-0.10
Mechanical Properties of ASTM A213 / ASME SA213 T91 Alloy Steel Seamless Tube:

Tensile Strength , MPaYield Strength, MPaElongation, %Hardness, HB
585 min415 min20 min250 max
Outside Diameter & Tolerance :

Hot rolledOutside Diameter, mmTolerance, mm
OD≤101.6+0.4/-0.8
101.6<OD≤190.5+0.4/-1.2
190.5<OD≤228.6+0.4/-1.6
Cold DrawnOutside Diameter, mmTolerance, mm
OD<25.4±0.10
25.4≤OD≤38.1±0.15
38.1<OD<50.8±0.20
50.8≤OD<63.5±0.25
63.5≤OD<76.2±0.30
76.2≤OD≤101.6±0.38
101.6<OD≤190.5+0.38/-0.64
190.5<OD≤228.6+0.38/-1.14
Wall thickness & Tolerance :

Hot rolledOutside Diameter, mmTolerance, %
OD≤101.6, WT≤2.4+40/-0
OD≤101.6, 2.4<WT≤3.8+35/-0
OD≤101.6, 3.8<WT≤4.6+33/-0
OD≤101.6, WT>4.6+28/-0
OD>101.6, 2.4<WT≤3.8+35/-0
OD>101.6, 3.8<WT≤4.6+33/-0
OD>101.6, WT>4.6+28/-0
Cold DrawnOutside Diameter, mmTolerance, %
OD≤38.1+20/-0
OD>38.1+22/-0

Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max length: 16000mm, also U bending can be offered.

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