ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service

Model NO.: 159*4.5
Available Od: 108 mm to 273 mm
Available Wt: 4 mm to 25 mm
Length: Ramdom or Approximate
Standard: GB 9948/JIS G 3441
Steel Grade: 20
Certificate: API, ISO 9001, etc.
End Treatment: PE/Be, No Thread
Pipe Marking: as Required
Coating: as Required
Delivery Condition: as Rolled
Trademark: Yuanhua
Transport Package: 2 Tons/Bundle
Specification: OD: 159mm; WT: 4.5mm
Origin: Yantai China
HS Code: 7304192000
ASTM A161, GB 9948 petroleum oil cracking pipe
YH WT (mm)
4 4.5 5 5.5 6 6.5 7-16 16.5-20 >=20.5
OD
(mm)		 108 YH YH YH YH YH YH YH YH YH
114 YH YH YH YH YH YH YH YH YH
121 YH YH YH YH YH YH YH YH YH
127   YH YH YH YH YH YH YH YH
133   YH YH YH YH YH YH YH YH
140   YH YH YH YH YH YH YH YH
146   YH YH YH YH YH YH YH YH
152   YH YH YH YH YH YH YH YH
159   YH YH YH YH YH YH YH YH
168     YH YH YH YH YH YH YH
180         YH YH YH YH YH
194         YH YH YH YH YH
203         YH YH YH YH YH
219         YH YH YH YH YH
245           YH YH YH YH
273           YH YH YH YH
 
type of pipe SMLS (seamless pipe)
standard ASTM A161, GB 9948
steel grade 20#
type of length random/approximate
type of end face plain end/bevelled end, with no thread or coupling
type of marking paint-stencilled
application furnace tube, heat exchanger pipe, and pipeline for petroleum refinery plant
other pipes available API 5L line pipe, GB/T 8162 structure pipe, GB/T 8163 (ISO 559) liquid pipe,  GB 3087 (ISO 9329-1) low/medium pressure boiler pipe, GB 5310 (ISO 9329-2) high pressure boiler pipe, etc.

Certifications of Yuanhua Steel Pipe
ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service

Production & Inspection Equipment of Yuanhua Steel Pipe
ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service

Production equipment:
1. two sets of annular type heating furnace;
2. two sets of Mannesmann piercer;
3. two sets of hot rolling seamless mill facilities;
4. sizing and other correlated necessary facilities;

ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service
Inpsection equipment:
1. DF-200 spectrum analyzer;
2. ultrasonic crack detector;
3. eddy current crack detector;
4. hydraulic examination equipment;
5. tensile test equipment;
6. metallographic burnishing test equipment;
7. metalloscope;

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ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service

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ASTM A161 Seamless Low Carbon Steel Tubes for Refinery Service
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  Talc (Talc) is a layered silicate which is a hydrate.
 Theory of MgO style chemical formula 3, 4 - SiO2, H2O, and the theory of chemical composition as follows: 31.68% MgO style SiO2 H2O 63.47% to 4.75%, the natural quality of pure talc ore are very few, most associated with other mineral impurities, common associated minerals include chlorite, serpentine, magnesite, tremolite, dolomite, etc.
Talc is often white, light green, microstrip pink, light grey, with impurities the more the color is deeper, even dark grey, black.
Monoclinic crystal system, ore presents flaky, fibrous and dense.
Pearly luster or oily luster, the heating effect of the talc are substantially heated, lose adsorbed water during 120 ~ 200 ℃, 600 ℃ when begin to lose part of the structure of water, until 1050 when the structure all the water out.
The best way to identify talc is to conduct X-ray diffraction analysis or thermal analysis.


Talc

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