Gold Member Since 2016
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Changzhou Hongtai Precision Steel Pipe Co., Ltd.

Tube, Steel Tube, Seamless Steel Pipe manufacturer / supplier in China, offering H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949, JIS G3445 Cold Drawn Steel Pipe for Automobile and Motorcycle, En10305-1 Shock Absorber Precision Seamless Steel Pipe for Boiler and so on.

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H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949

FOB Price: US $400-900 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $400-900/ Ton
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Port: Tianjin, China
Production Capacity: 600 Tons Per Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: HTSP
  • Technique: Cold Drawn
  • Surface Treatment: Oiled
  • Section Shape: Round
  • Heat Treatment: +C +LC +Sr +a +N
  • Trademark: HTSP
  • Specification: 6-68MM
  • HS Code: 7304319000
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry
  • Steel Grade: 20#,45#,Q345b,Q345D,25mn,27simn,E355
  • Certificate: Ts16949
  • Transport Package: Hexagon Woven Bags
  • Origin: China
Product Description
Product Description

Outer diameter: 6mm -325mm 

Wall thickness: 6-36mm

Material: ST52, Q345B, CK20, CK45, SAE1026

Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305

Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H8/H9.
H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949
Material & Chemical Composition

DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45

Product NameH7 honing pipeH8 honing pipe
Tolerance on ODID<30mm, +21,0mm;
ID:30-50mm,+25,0mm; ID:50-80mm, +30,0mm;ID:80-120mm, +35,0mm;ID:120-180mm, +40,0mm;ID:180-250mm, +46,0mm; ID:250-315mm,+52,0mm; ID:315-400mm,+57,0mm
ID<30mm, +33,0mm;
ID:30-50mm,+39,0mm; ID:50-80mm, +46,0mm;ID:80-120mm, +54,0mm;ID:120-180mm, +63,0mm;ID:180-250mm, +72,0mm; ID:250-315mm,+81,0mm; ID:315-400mm,+89,0mm
Material  20#,45#,Q345B,Q345D,25Mn,27SiMn,E355
 Standard GB/T3639-2009, GB/T8713, EN10305-1:2002, EN10305-2:2002, ASTM A519-2006; ASTM A513-2007, GB/T1591-2008, GB/T17396-2009
LengthAs customer's request
PackagingStandard export packing, packed in woven bags, with two nylon slings, or can be customized as request
Heat Treatment/      Delivery ConditionCold finished and stress-relieved annealing BKS(+SR)
Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
Delivery TimeWithin 35-50 days from receiving deposit
Payment Term100% L/C at sight or 30% deposit, 70% balance against copy of B/L
Usage/ApplicationPipes for hydraulic cylinder, pneumatic cylinder, petrifaction oil pump,etc
Main MarketAsia, Middle East, Europe, etc.
Processing FormI. DLengthStraightnessI. D ToleranceI. D Rounghness
Cold-rolled30-100≤ 12M0.3-1.0H8-H100.4-1.6
Cold-drawn30-250≤ 12M0.3-1.0 0.8-1.6
Hone40-500≤ 12M1000H8-H90.4-0.8
SRB40-400≤ 7M1000H8-H90.1-0.4

H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949
H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949
H8 Inner Terminal Cold Drawn Seamless Steel Pipe with Ts16949

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