Specifications 1.OD from 38mm to 368 mm 2.perfect package 3. quality and quantity assured 4.produced by our own factory Alloy Steel Pipe Specifications: Standard Specifications for Seamless Ferritic and Austenitic Alloy-Steel for boilers, superheaters, and heat-exchangers Applications: For manufacturing wall panel,economizers, superheaters and steam pipelines for boilers Size (mm): O.D.: 28-168; W.T.: 2∼30; L: max 12000 Grade and Chemical Composition (%) Grade C Mn P≤ S≤ Si Cr Mo T11 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 0.50-1.00 1.00-1.50 T12 0.05-0.15 0.30-0.61 0.025 0.025 ≤0.50 0.80-1.25 0.44-0.65 T13 0.05-0.15 0.30-0.60 0.025 0.025 ≤0.50 1.90-2.60 0.87-1.13 Mechanical Properties(MPa): Grade Tensile Point Yield Point T11 ≥415 ≥205 T12 ≥415 ≥220 T13 ≥415 ≥205
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