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August 15, 2017
high frequency electric weld (ERW) line pipe and standard electric resistance weld pipe products are smoothly finished and thin-walled. They are produced by continuously forming coiled hot rolled strip into a tube and welding the longitudinal seam using high-frequency electric resistance welding. Size:(ERW, HFI, EFW) Outer Diameter: 6mm-610mm (1/16″-24″) Wall […]
August 9, 2017
The ASTM A192 belongs to the carbon seamless tubes, which is specially designed for high, middle, low pressure purpose in seamless carbon steel boilers and as super heater tubes. Description of ASTM A192 High-pressure Steel Boiler Tube: This specification has been approved for use by agencies of the Department of […]
August 7, 2017
ASTM/ASME A106/SA106 seamless carbon steel pipe is used in industrial applications involving high heat, including process piping, boiling plants, compression stations and refineries. ASTM Specification A106 covers seamless carbon steel nominal wall pipe for high-temperature service, suitable for bending, flanging and similar forming operations. NPS 1-1/2 and under may be […]
August 3, 2017
LSAW steel pipe refers to Longitudinal Submerged-Arc Welded Steel Pipe, which is made of hot-rolled steel plate or coils. LSAW steel pipe always goes to the big-sized welded pipe, which can’t be manufactured by electric resistance welding technique. API 5L LSAW steel pipes ( Double Submerged arc welded) are used […]
August 3, 2017
ASTM A139/A 139M covers five grades of electric-fusion(arc)-welded straight-seam or helical-seam steel pipe. LSAW steel pipe:Standard: ASTM A139, ASTM A252, JIS G3444 etc. Grades: Q215-345, Grade A-E, Grade 1-3 STK290-540 Standard: ASTM A139, ASTM A252, JIS G3444 etc. Grades: Q215-345, Grade A-E, Grade 1-3 STK290-540 Outside Diameter: Φ406mm-Φ1626mm (16″-64″) Wall […]
July 31, 2017
This Standard specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. This Standard is not applicable to cast pipe.The API 5L specification is generally more clear about the limits on […]
July 12, 2017
1. Outside Diameter: Ф219-Φ660mm 2. Wall Thickness: 6-22mm 3. Length: 3-12m 4. Steel Grade: Q345B, API X42 – X80, L245, L555,J55, N80 5. Standard: SY/T5037-2000, GB/T9711.1-97, API Spec 5L 6.End:square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled, 7.Surface: Lightly oiled, Hot dip galvanized, Electro […]
June 14, 2017
sizes:O.D : 21.3mm-712mm W.T : 0.5mm-25mm Less than 12 meters,5.8 m and 6m are common Length: 1. Single Random Length and double Random Length. 2. SRL:3M-5.8M DRL:10-11.8M or As clients requested length 3. fixed length(5.8m, 6m, 12m) Standard: API5L , ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A179/A192,ASTM A513-2007,ASTM A671-2006,ASTM […]
May 31, 2017
Steel grade: DIN17175 St35.8 DIN17175 St45.8 15Mo3 13CrMo44 10CrMo910 Chemical Composition of DIN 17175 seamless boiler pipes Standard Grade Chemical Composition Limits (%) C Si Mn P、S Cr Mo DIN 17175 St35.8 ≤ 0.17 0.10-0.35 0.40-0.80 ≤ 0.030 / / St45.8 ≤ 0.21 0.10-0.35 0.40-1.20 ≤ 0.030 / / 15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 ≤ 0.030 / 0.25-0.35 13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 […]