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Product: |
honed Tube,Carbon Seamless Honed Steel Tube,Cold Drawn Carbon Steel Seamless Honed Tube, Hydraulic Honed Tubing |
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Application: |
Construction structure, water transport and sewage treatment, thermal industry, buildings etc |
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Size: |
20mm – 1500mm |
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Length: |
max 16m |
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Straightness: |
≤ 0.5/1000 |
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Roughness: |
0.2-0.4 u |
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Tolerance |
Tolerance EXT: DIN2391, EN10305, GB/T 1619 Tolerance INT:H7,H8,H9 |
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Protection: |
Anti-rust oil on inside and outside surface, plastic caps in both ends. |
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Packing |
Bundle with steel strip and PE sheet or wooden case
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Introduction
Product Type: Carbon Seamless Honed Steel Tube,Cold Drawn Carbon Steel Seamless Honed Tube,Honed Tube Carbon Seamless Saw Steel Pipe Tube
Material: ST52,CK45,4140,SCM440,16Mn,42CrMo,E355,Stainless Steel 304/316,Duplex 2205,etc.
Delivery Condition: BK, BK+S, GBK, NBK
ID Size : 20mm – 1500mm
Length: max 16m
Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn
Straightness: ≤ 0.5/1000
Roughness: 0.2-0.4 u
Tolerance EXT: DIN2391, EN10305, GB/T 1619
Tolerance INT: H7,H8,H9
Protection: Anti-rust oil on inside and outside surface, plastic caps in both ends.
Packing: Bundle with steel strip and PE sheet or wooden case.
Honed Tube Chemical composition
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Technicial Specifications |
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Steel Class/Standard |
E355 (EN 10305-1) /St52-3 (DIN 2391) |
P |
S |
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Heat Treatment
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+SR (EN 10305-1) /BK+S (DIN 2391) |
≤ 0.025 |
≤ 0.010 |
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Tolerance Class |
EN ISO 286-2 (ISO H8) |
≤ 0.025 |
≤ 0.010 |
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Inner Surface Sensitivity |
Ra < 0,2 μm, Rt < 3 μm. |
≤ 0.020 |
≤ 0.010 |
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Divergence |
0,5 mm:1000 mm/1 mm:1000 mm |
≤ 0.020 |
≤ 0.010 |
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Production Length |
5-9 m |
≤ 0.025 |
≤ 0.0 |
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Inner Surface Rigidity |
HB 190-245 |
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Status Of Heat Treatment
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EN 10305-2 |
Symbol Definitions |
DIN 2391 (Eski norm) |
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+SR |
Cold Drawn/Normalized |
BK+S |
Chemical Composition And Mechanical Properties|
Standart |
Steel Class |
Chemical Composition (%) |
Mechanical Properties |
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C [max] |
Si [max] |
Mn [max] |
P [max] |
S [max] |
Yield Strength/Re |
Tensile Strength/Rm |
Elongation/A5 |
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D ≤ 16mm Mpa [min] |
D > 16 mm Mpa [min] |
Mpa [min] |
% [min] |
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EN10305-1 |
E355 |
0,20 |
0,50 |
1,55 |
0,020 |
0,010 |
520 |
490 |
600 |
15 |
Chemical Composition And Mechanical Properties|
Standard |
Steel Class |
Chemical Composition (%) |
Mechanical Properties |
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C [max] |
Si [max] |
Mn [max] |
P [max] |
S [max] |
Yield Strength/Re |
Tensile Strength/Rm |
Elongation/A5 |
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Mpa [min] |
Mpa [min] |
% [min] |
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EN10305-2 |
E355 |
0,20 |
0,50 |
1,55 |
0,020 |
0,010 |
520 |
600 |
22 |
Manufacture Process
Equipment
If you have any inquiries and questions, please contact United Steel Industry Co.,Ltd
at any time. Thanks in advance. Welcome! Email :Sales@united-steel.com
