☆StandardASTM A106 / ASTM A53 /ASTMA500 / ASTM A519 / DIN 1629 / DIN 2448☆SizeOD 12MM-610MM* WT 1.5MM-40MM* Length: SRL,Website:http://www.ausinpipeline.com,DRLSCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS☆Application1. Fluid pipe2. Power Plant 3. Structure pipe4. low pressure Boiler tube5.Conduit pipe 6. Scaffolding pipe pharmaceutical and ship building etc.☆Size TolerancesStandardOD ToleranceWT ToleranceGB/T 8162D＜50±0.50mmS<4mm±12.5%D≥50±1%4-20mm+15/-12.5%S≥20mm±12.5%ASTM A53D≥60.3mm±1%±12.5%D≤48.3mm±0.40mmASTM A10648.3mm＜D≤114.3mm±0.79mm±12.5%114.3mm＜D≤219.1mm＋1.59－0.79mm219.1mm＜D≤457mm＋2.38－0.79mm457mm＜D≤660.4mm＋3.18-0.79mmD≥60.3mm±1%☆Mechanical propertiesStandardSteelTensile Strength(MPa)Yield strength(MPa)Elongation (%)＜16mm16-30mmGB/T 81621033520519524203902452352016Mn490-65532521ASTM A53A330205As per tableB415240ASTM A106A330205As per tableB415240C485275☆Chemical composition: (%):StandardSteelCSiMnP≤S≤Cu≤Ni≤Cr≤Mo≤V≤GB/T 8162100.07-0.140.17-0.370.35-0.650.0350.0350.250.250.15//200.17-0.240.17-0.370.35-0.650.0350.0350.250.250.25//16Mn0.12-0.200.20-0.551.20-1.600.0450.0450.250.250.25//ASTM A53A≤0.25/≤0.950.050.0450.400.400.400.150.08B≤0.30/≤1.200.050.0450.400.400.400.150.08ASTM A106A≤0.25≥0.100.27-0.930.0350.0350.400.400.400.150.08B≤0.30≥0.100.29-1.060.0350.0350.400.400.400.150.08C≤0.35≥0.100.29-1.060.0350.0350.400.400.400.150.08☆Surface treatment:1) Bared2) Galvanized3) Rust-proof black painting4) Coating protection: 2/3 LPE, epoxy coal tar coating, FBE etc.☆ Package:Packaged in bundles (2.5Ton Max), bundled pipes with two slings at the both end for easy loading and discharging, End with Plastic caps