Low temperature pipe
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Introduction
- Product Type:Low temperature pipe,Low Temperature Alloy Steel Tube,Seamless Low temperature pipe,Carbon Steel Seamless Low Temperature
Specifiction:
Product Type:Low Temperature Pipe
Size:
Outer diameter(OD): 73-630mm
Wall thickness(WT): 6-35mm
LENGTH:Single Random, Double Random, Cut LengthApplication:In Refineries, Power Plants, Boilers, Heat Exchangers, Condensers etc.
Pipe Standard:ASTM A333/ASME SA333
Heat Treatment:
Annealed: Bright Annealed,Spheroidize Annealed, Normalized, Stress Relieved, Cold Finished, Quenched And Tempered
1. ASTM A333 Chemical Composition Requirements
Chemical Composition of ASTM A333 Element Grade 1, % Grade 3, % Grade 4, % Grade 6, % Grade 7, % Grade 8, % Grade 9, % Grade 10, % Grade 11, % C 0.30 0.19 0.12 0.30 0.19 0.13 0.20 0.20 0.10 Mn 0.40–1.06 0.31–0.64 0.50–1.05 0.29–1.06 0.90 0.90 0.40–1.06 1.15–1.50 0.60 P 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.035 0.025 S 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.015 0.025 Si ... 0.18–0.37 0.08–0.37 0.10 min 0.13–0.32 0.13–0.32 ... 0.10–0.35 0.35 Ni ... 3.18–3.82 0.47–0.98 0.40 2.03–2.57 8.40–9.60 1.60–2.24 0.25 35.0–37.0 Cr ... ... 0.44–1.01 0.30 ... ... ... 0.15 0.50 Cu ... ... 0.40–0.75 0.40 ... ... 0.75–1.25 0.15 ... Al ... ... 0.04–0.30 ... ... ... ... 0.06 ... V ... ... ... 0.08 ... ... ... 0.12 ... Cb ... ... ... 0.02 ... ... ... 0.05 ... Mo ... ... ... 0.12 ... ... ... 0.05 0.50 Co ... ... ... ... ... ... ... ... 0.50 *For Grade 1 and 6, each reduction of 0.01% C below 0.30%, an increase of 0.05 % Mn above 1.06 % would be permitted to a max. of 1.35%.
*For Grade 6, the limit for columbium may be increased up to 0.05 % on heat analysis and 0.06 % on product analysis.
*Generally, the carbon equivalent C.E = [C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15] shall not exceed 0.43% by heat analysis.2. ASTM A333 Mechanical Properties
ASTM A333 Tensile Strength, min. Yield Strength, min. Elongation %, min. Grade psi MPa psi MPa Longitudinal Transverse Grade 1 55 000 380 30 000 205 35 25 Grade 3 65 000 450 35 000 240 30 20 Grade 4 60 000 415 35 000 240 30 16.5 Grade 6 60 000 415 35 000 240 30 16.5 Grade 7 65 000 450 35 000 240 30 22 Grade 8 100 000 690 75 000 515 22 ... Grade 9 63 000 435 46 000 315 28 ... Grade 10 80 000 550 65 000 450 22 ... Grade 11 65 000 450 35 000 240 18 ... *The elongation values are furnished on the basis of standard round 2 inch or 50 mm(or 4D) specimens.
*Elongation of Grade 11 is for all walls and small sizes tested in full section.3. Charpy V-notch Impact Tests
Impact Requirements for Grades 1, 3, 4, 6, 7, 9, 10, and 11 Size of Specimen *A *B mm ft·lbf J ft·lbf J 10 by 10 13 18 10 14 10 by 7.5 10 14 8 11 10 by 6.67 9 12 7 9 10 by 5 7 9 5 7 10 by 3.33 5 7 3 4 10 by 2.5 4 5 3 4 *A denotes minimum average notched bar impact value of each set of three specimens.
*B denotes minimum notched bar impact value of one specimen only of a set.Minimum Impact Test Temperature of ASTM A333 Grade °F °C 1 -50 -45 3 -150 -100 4 -150 -100 6 -50 -45 7 -100 -75 8 -320 -195 9 -100 -75 10 -75 -60 11 -320 -195 * Impact tests specified for temperatures lower than 70 °F [20 °C] should be made with precautions.
Specification
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NPS
(in)Outside Diameter
(in)ASTM A333 Grade 6 Carbon Steel Seamless Pipes Schedule SCH 10 SCH 20 SCH 30 SCH STD SCH 40 SCH 60 SCH XS SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 SCH XXS Wall Thickness (in) 1/8 0.405 0.068 0.068 0.095 0.095 1/4 0.540 0.088 0.088 0.119 0.119 3/8 0.675 0.091 0.091 0.126 0.126 1/2 0.840 0.109 0.109 0.147 0.147 0.187 0.294 3/4 1.050 0.113 0.113 0.154 0.154 0.219 0.308 1 1.315 0.133 0.133 0.179 0.179 0.250 0.358 1 1/4 1.660 0.140 0.140 0.191 0.191 0.250 0.382 1 1/2 1.900 0.145 0.145 0.200 0.200 0.281 0.400 2 2.375 0.154 0.154 0.218 0.218 0.344 0.436 2 1/2 2.875 0.203 0.203 0.276 0.276 0.375 0.552 3 3.500 0.216 0.216 0.300 0.300 0.438 0.600 3 1/2 4.000 0.226 0.226 0.318 0.318 4 4.500 0.237 0.237 0.337 0.337 0.438 0.531 0.674 5 5.563 0.258 0.258 0.375 0.375 0.500 0.625 0.750 6 6.625 0.280 0.280 0.432 0.432 0.562 0.719 0.864 8 8.625 0.250 0.277 0.322 0.322 0.406 0.500 0.500 0.594 0.719 0.812 0.906 0.875 10 10.750 0.250 0.307 0.365 0.365 0.500 0.500 0.594 0.719 0.844 1.000 1.125 1.000 12 12.750 0.250 0.330 0.375 0.406 0.562 0.500 0.688 0.844 1.000 1.125 1.312 1.000 14 14.000 0.250 0.312 0.375 0.375 0.438 0.594 0.500 0.750 0.938 1.094 1.250 1.406 16 16.000 0.250 0.312 0.375 0.375 0.500 0.656 0.500 0.844 1.031 1.219 1.438 1.594 18 18.000 0.250 0.312 0.438 0.375 0.562 0.750 0.500 0.938 1.156 1.375 1.562 1.781 20 20.000 0.250 0.375 0.500 0.375 0.594 0.812 0.500 1.031 1.281 1.500 1.750 1.969 22 22.000 0.250 0.375 0.500 0.375 0.875 0.500 1.125 1.375 1.625 1.875 2.125 24 24.000 0.250 0.375 0.562 0.375 0.688 0.969 0.500 1.219 1.531 1.812 2.062 2.344 30 30.000 0.312 0.500 0.625 0.375 0.500 32 32.000 0.312 0.500 0.625 0.375 0.688 34 34.000 0.312 0.500 0.625 0.375 0.688 36 36.000 0.312 0.500 0.625 0.375 0.750 42 42.000 0.500 0.625 0.375 0.750 