Jiangsu, China
Business Range:
Auto, Motorcycle Parts & Accessories, Construction & Decoration, Industrial Equipment & ...
Main Products:
Type of Ownership:
Limited Company
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Service
Sample Available

Steel Pipe, Seamless Steel Pipe, Hydraulic Cylinder manufacturer / supplier in China, offering Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube, JIS G3461 STB340 Carbon Steel Pipe for Bolier and Pressure, Cold Drawn Seamless Steel Pipe for Bushing and so on.

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Supplier Homepage Products Cylinder Tube Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube
  • Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube
  • Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube
  • Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube
  • Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube
  • Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube

Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube

Get Latest Price
Min. Order / Reference FOB Price
3 Pieces US $400-1,000/ Piece
Port: Shanghai, China
Production Capacity: 1000 Tons Per Month
Payment Terms: L/C, T/T, Money Gram
Type: Seamless
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Oiled
Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration
Section Shape: Round

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Basic Info

Model NO.: HTSP
Steel Grade: St35/45/55/52/35.2/45.2/55.2/52.2
Certificate: ISO, BV
Heat Treatment: +C +LC +Sr +a +N
Capacity: 1000t/Month
Delivery Time: 30-45days
Length: Customized
Wall Thickness: 0.5-20mm
Trademark: HTSP
Transport Package: Hexagon Woven Bags
Specification: 6-180MM
Origin: China
HS Code: 7304391000

Product Description

Product Description
Outer diameter: 25mm -500mm 
Wall thickness: 2-50mm
Material: ST52, ST35, ST45
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305
Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.

Material & Chemical Composition
 DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
 
Product NameSt35 steel pipeSt45 steel pipeSt55  steel pipeSt52 steel pipe
chemical analysisC:≤0.18; P:≤0.05; S:≤0.05C:≤0.25; P:≤0.05; S:≤0.05C≈0.36; P:≤0.05; S:≤0.05C:≤0.20; Si≤0.55;Mn≤1.5;P:≤0.05; S:≤0.05
Tensile Strength+NBK,35-45MPa; +BK,≥45MPa;+BKW,≥38MPa;+GBK,≥32MPa+NBK,45-55MPa; +BK,≥55MPa;+BKW,≥48MPa;+GBK,≥40MPa+NBK,55-65MPa; +BK,≥65MPa; +GBK,≥50MPa+BK,≥60MPa;+BKW,≥55MPa;
Yield strength+NBK,≥24M
Pa
+NBK,≥26MPa+NBK,≥30MPa-
StandardDIN2391-1
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 (hard)   BK(+C)
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
Cold finished (soft)    BKW(+LC)
The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)
Cold 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.
Annealed    GBK(+A)
The last Cold forming process is followed by annealing in a controlled atmosphere.
Normalized   NBK(+N)
The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.
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 automobile and motorcycle
Main MarketAsia, Middle East, Europe, etc.


Dimension tolerance
Inner Dia (mm)ID Tolerance (mm)WT Tolerance (mm)
H7H8H9H10H11
30+0.021/0+0.038/0+0.052/0+0.084/0+0.130/0±5-10%                      
>30-50+0.025/0+0.039/0+0.062/0+0.100/0+0.160/0
>50-80+0.030/0+0.046/0+0.074/0+0.120/0+0.190/0
>80-120+0.035/0+0.054/0+0.087/0+0.140/0+0.220/0
>120-180+0.040/0+0.063/0+0.100/0+0.160/0+0.250/0
>180-250+0.046/0+0.072/0+0.115/0+0.185/0+0.290/0
>250-315+0.052/0+0.081/0+0.130/0+0.210/0+0.320/0
>315-400+0.057/0+0.089/0+0.140/0+0.230/0+0.360/0

Product description
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

Smls Steel Pipe Honed/Honing St52 DIN2391 for Cylinder Tube

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