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Stainless Steel Series
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SMLS steel pipe, seamless steel pipe
Types of seamless steel tubes from our factory
Types of Uses Structure purposes General and mechanical structure Liquid services Transportation of oil, gas and other fluids Low and medium pressure Manufacture of steam and steam boilers Hydraulic pillars service Hydraulic support Automatic semi-shaft housing Auto sem-shaft casing (in English) Tubertuber Oil and gas transportation Tubes and housing Oil and gas transportation Drilling tubes Well drilling Geological drilling pipes Geological drilling Petroleum tubes Furnace tubes, heat exchangers Standards and applications
Standards Degree Class: API API 5L Piping for pipeline transport systems API 5CT Pipeline and housing for Wells API 5DP Drilling tube for well drilling ASTM ASTM A53 Used as structural steel or for low pressure pipes ASTM A106 Seamless carbon steel tube for high temperature service ASTM A335 For high temperature service ASTM A213 For Calder, supercalenty seamless austenitic ferriy heat exchange tubes ASTM A179 For heat exchanger tubes and low cold steel condensation without welding ASTM A192 For seamless carbon steel boiler pipes for high pressure service ASTM A210 For seamless carbon steel superheated boiler pipes ASTM A333 For seamless steel tubing for low temperature service and other applications with required notch resistance ASTM A519 For seamless mechanical tubes of carbon and alloy steel ASTM A252 For batteries of seamless and welded steel tubes DIN DIN 17175 For heat resistant seamless steel pipes DIN 1629 For seamless circular tubes of non-alloy steels with special quality requirements DIN 2391 For precision seamless steel tubes for cold sausages or cold rolled products JIS JIS G3454 Seamless carbon steel pipeline for pressure service JIS G3456 Seamless carbon steel tube for high temperature service JIS G3461 Seamless carbon steel pipe for boiler and heat exchange EN EN 10210 For welded, welded structural hollow sections of non-alloy steel. EN 10216 Seamless steel tubes for pressure applications BS BS 3059 For carbon tubes, alloys and austenitic stainless steel with high temperature properties specified Dimension tolerances of seamless steel pipe
Types of tubes Szie tube (mm) Tolerances Lamlamin OD <50 ±0.50mm ≥50 ±1% WT <4 ±12.5% ≥4~20 +15%, -12.5% >20 ±12.5% Cold cold OD 6~10 ±0.20mm 10~30 ±0.40mm 30~50 ±0.45 >50 ±1% WT <1 ±0.15mm >1~3 + 15%, – 10% >3 + 12.5%, – 10% Tube for construction
Sizes: outside diameter: 1-1/4 "-16", wall thickness: 0.109 "-0.562"
Standard: astm a53, astm a106, astm a500/501-98, astm a519-98, jis g3441-1994, jis g3444-1994, bs en 10210-1
Application: used in general structure and mechanism, including construction, machinery, transport
Tube of the boiler
Sizes: outer diameter: 6.0mm-114.0mm, wall thickness: 1.0mm-15.0mm
Standard: gb3087-1999, astm a179, astm a106, jis g3454
Application: used for the manufacture of overheated pipes, steam pipe, boiling water pipe, draught pipe, small draught pipe, etc.
Seamless steel tubes for liquids
Sizes: outer diameter: 19.05-168.3mm, wall thickness: 2.31-14.27mm
Standard: gb/t8163-1999, astm a53-98, jis g3452-1998, jis g3454-1998, astm a106, din 1629-1984
Application: for transportation of oil, gas and other fluids
Pipes of pipes
Dimensions: external diameter: 73-630mm, wall thickness: 6-35mm
Standard :API 5l
Application: gas, water, transportation in petroleum and natural gas industries
Drilling tubes
Sizes: outer diameter: 2-7/8 "-6-5/8", wall thickness: up to 0.813"
Standard :API 5d
Application: for well drilling
Petroleum cracking tubes
Sizes: outside diameter: 1.315 "- 20", wall thickness: 0.133 "-0.500"
Standard: gb9948-1988
Application: for the manufacture of furnace tubes, heat exchangers and pipes in refineries
Chemical composition and mechanical properties
Standard Degree Chemical components (%) Mechanical properties c Si Mn P S Mo Cr V Tensile strength (mpa) Tensile strength (mpa) Elongation (%) ASTM A53 A ≤0.25 / ≤0.95 ≤0.05 ≤0.06 ≤0.15 ≤0.40 ≤0.08 ≥330 ≥205 ≥29.5 B ≤0.30 / ≤1.2 ≤0.05 ≤0.06 ≤0.15 ≤0.40 ≤0.08 ≥415 ≥240 ≥29.5 Standard Degree Chemical components (%) Mechanical properties c Si Mn P S Mo Cr V Tensile strength (mpa) Tensile strength (mpa) Elongation (%) ASTM A106 A ≤0.30 ≥0.10 0.29-1.06 ≤0.035 ≤0.035 ≤0.15 ≤0.40 ≤0.08 ≥415 ≥240 ≥30 B ≤0.35 ≥0.10 0.29-1.06 ≤0.035 ≤0.035 ≤0.15 ≤0.40 ≤0.08 ≥485 ≥275 ≥30 Standard Degree Chemical components (%) Mechanical properties c Si Mn P S Tensile strength (mpa) Tensile strength (mpa) Elongation (%) ASTM A179 A179 0.06-0.18 / 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180 ≥35
Standard Degree Chemical components (%) Mechanical properties c Si Mn P S Tensile strength (mpa) Tensile strength (mpa) Elongation (%) ASTM A192 A192 0.06-0.18 ≤0.25 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180 ≥35 Standard Degree Chemical components Tensile strength (min) Limit of them (me) C Mn P S Mpa Mpa API 5L PSL1 A 0.22 0.90 0.030 0.030 331 207 B 0.28 1.20 0.030 0.030 414 241 X42 0.28 1.30 0.030 0.030 414 290 X46 0.28 1.40 0.030 0.030 434 317 X52 0.28 1.40 0.030 0.030 455 359 X56 0.28 1.40 0.030 0.030 490 386 X60 0.28 1.40 0.030 0.030 517 414 X65 0.28 1.40 0.030 0.030 531 448 X70 0.28 1.40 0.030 0.030 565 483 Standard Degree Chemical components Tensile strength (min) Limit of them (me) C Mn P S Mpa Mpa API 5L PSL2 B 0.24 1.20 0.025 0.015 414 241 X42 0.24 1.30 0.025 0.015 414 290 X46 0.24 1.40 0.025 0.015 434 317 X52 0.24 1.40 0.025 0.015 455 359 X56 0.24 1.40 0.025 0.015 490 386 X60 0.24 1.40 0.025 0.015 517 414 X65 0.24 1.40 0.025 0.015 531 448 X70 0.24 1.40 0.025 0.015 565 483 X80 0.24 1.40 0.025 0.015 621 552
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