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High Efficiency Spiral Corrugate Titanium Tube Spiral Twist Coil Tube Material grade: 1. Titanium and titanium alloy tubes : (TA1, TA2, TA3, ta8, ta8-1, ta9, ta9-1, TA10, gr.1, gr.2, gr.7, gr.12, gr.16, etc.) 2. Austenitic stainless steel pipe: SUS304, SUS316L, 321, 904L, etc 3. Ferritic stainless steel pipe: 409,409L,439L,SUS445J2 4. Duplex stainless steel pipe: 2205,2507 Product Application : 1. Thin wall titanium welded pipes for heat exchangers, condensers and evaporators

TA1 TA2 Titanium Alloy Spiral Twist Coil Tube High Efficiency Spiral Corrugate Titanium Tube Executive standard: titanium national standard Product Application : 1. Thin wall titanium welded pipes for heat exchangers, condensers and evaporators, 2. Industrial fluid titanium welded pipes, corrosion-resistant pipes 3. Support pipes for various industrial equipment and pressure vessels, are used in electric power, chemical industry, seawater utilization and marine engineering,

Medium Carbon ASME SA210 Gr.A1 Gr.C Seamless Steel Tubes for Boiler and Superheater Product Description Application For boiler tubes, boiler flues and superheater tubes O.D. 12.7 - 127 mm Min W.T. 0.9 - 12.7 mm (Tolerance: +20%) Length As per client requested Chemical Composition Grade C Mn P S Si A-1 ≤0.27 ≤0.93 ≤0.035 ≤0.035 ≥0.10 C ≤0.35 0.29-1.06 ≤0.035 ≤0.035 ≥0.10 Mechanical properties Grade Yield Point Mpa(ksi) Tensile Strength Mpa(ksi) Elongation A-1 ≥255(37) ≥415(60)

ASTM A671 ERW Steel Pipes CA55 CB60 CB65 for Atmospheric and Lower Temperatures Size range :OD ≥400mm,WT ≥6mm. Production method: OD tolerance:±5% of the specified outside diameter. Out of Roundness: Difference between major and minor outside diameter 1% Thickness: The minimum wall thickness at any point in the pipe shall not be more than 0.01inch 0.3mm under the specified nominal thickness. Heat treatment: 1. Without heat treatment 2. Stress released 3. Normalizing 4.

ASTM A226 ERW Carbon Steel Boiler Tube Superheater Pipe for High Pressure Service Scope 1.1 This specification covers minimum-wall-thickness, electric-resistance-welded, carbon steel, boiler and superheater tubes for high-pressure service. 1.2 The tubing sizes and thicknesses usually furnished to this specification are 1/2 in. to 5 in. [12.7 to 127 mm] in outside diameter and 0.085 to 0.360 in. [2.2 to 9.1 mm] inclusive, in minimum wall thickness. Tubing having other

ASTM A226 Electric Resistance Welded Carbon Steel Boiler Superheater Tubes for High Pressure Service OD 5-420mm WT 1-50mm Length max12000mm Scope 1.1 This specification covers minimum-wall-thickness, electric-resistance-welded, carbon steel, boiler and superheater tubes for high-pressure service. 1.2 The tubing sizes and thicknesses usually furnished to this specification are 1/2 in. to 5 in. [12.7 to 127 mm] in outside diameter and 0.085 to 0.360 in. [2.2 to 9.1 mm]

ASTM A672 Electric Fusion Welded Steel Pipe for High Pressure Service at Moderate Temperatures Scope This specification covers steel pipe: electric-fusion-welded with filler metal added, fabricated from pressure-vessel quality plate of any of several analyses and strength levels and suitable for high-pressure service at moderate temperatures.Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements.Supplementary

ASTM A 556 Gr A2 Gr B2 Gr C2Seamless Carbon Steel Tube for Boiler Size : from 5/8 to 1 1/4-in 15.9-31.8mm Outerside diameter,inclusive,with minimum wall thickness equal to or greater than 0.045inch (1.1mm) Order Information: OD: 5/8’’- 1 1/4” (15.9-31.8mm) WT: ≥ 0.045’’ 1.1mm OD Tolerance : 0,+20% Chemical Requirement : Element Composition ,% Grade A2 Grade B2 Grade C2 Carbon, max 0.18 0.27 0.30 Manganese 0.27-0.63 0.29-0.93 0.29-1.06 Phosphorus, max 0.035 0.035 0.035 Sulfur,

ASTM A672 Heat Exchanger Boiler Steel Tube for High Pressure Service Size Range OD≥400mm WT≤75mm Plate Specification Pipe Grade Type of Steel ASTM Specification No. Grade A45 plate carbon A285/A285M A A50 plate carbon A285/A285M B A55 plate carbon A285/A285M C B60 plate carbon, killed A515/A515M 60 B65 plate carbon, killed A515/A515M 65 B70 plate carbon, killed A515/A515M 70 C55 plate carbon, killed,fine grain A516/A516M 55 C60 plate carbon, killed,fine grain A516/A516M 60