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Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs

  • Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs
  • Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs
  • Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs
  • Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs
  • Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs
Place of Origin Jiangsu,China
Certification ISO 9001 ,CE
Minimum Order Quantity 1 PCS
Delivery Time 7~10 working days
Payment Terms L/C, T/T, Western Union
Supply Ability 5000 Ton/Tons per Month

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Product Details
Product Name Carbon Steel Pipe Standard DIN 17175
Grade St35.8 Type Seamless Pipe(SMLS)
Thickness Schedule STD, 40, XS, 80, XXS, 160 Pipe End Plain End,Beveled End,Treaded
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Product Description
st35.8 steel pipe NBK GBK cold drawing carbon pipes

Standard:DIN 17175 : Seamless Steel Tubes For Elevated Temperatures

As far as DIN 17175 is concerned, steels that have a good mechanical properties at a higher temperature, up to 6 00 °C, and even under long-term load, are called heat-strength steels.

DIN 17175 St35.8 Seamless Steel Tubes can be used to manufacture steam boilers, pipes, pressure vessels and instruments operating at temperatures up to 600 ° C and at high temperatures.
Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs 0

 

ST35.8 STEEL PIPE MECHANICAL PERFORMANCE

Grade C Si Mn P S Cr Mo
St35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.040 ≤0.040 / /
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤0.040 ≤0.040 / /
15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 ≤0.035 ≤0.035 / 0.25-0.35
13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 ≤0.035 ≤0.035 0.70-1.10 0.46-0.65
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 ≤0.035 ≤0.035 0.20-0.25 0.90-1.20

ID TOLERANCE:

Project Standard Size range Tolerance
Outer diameter DIN17175 Hot rolled steel pipe OD ≤ 100mm ± 0.75%( Min ± 0.5mm )
OD＞ 100~ 320mm ± 0.9%
Cold drawn steel pipe OD ≤ 120mm ± 0.6%( Min ± 0.25mm )
Wall thickness DIN17175 OD ≤ 130mm WT ≤ 2Sn +15%~-10%
WT ＞ 2Sn~4Sn +12.5%~-10%
WT ＞ 4Sn ± 9%
130 ＜ OD ≤ 320mm WT ≤ 0.05OD +17.5%~-12.5%
0.05OD ＜ WT ≤ 0.11OD ± 12.5%
WT ＞ 0.11OD ± 10%

 

ST35.8 STEEL PIPE DELIVERY CONDITION


1. NBK(+N)
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
2. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
3. BK(+C)
the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee
4. BKW(+LC)
after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)
5. BKS(+SR)
have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again

 

 

ST35.8 STEEL PIPE SUPPLY STATUS 
The 17175 St35.8 Seamless Steel Tubes Will be delivered through a suitable heat treatment. heat treatment includes:
- Normalizing
- Annealing
- Tempering; from the quenching temperature, it is not cold, but then tempered
- Adjust the mass by the isothermal transformation method.

 

Original material test
A thin sheet should be taken at the top end of each round or square bar ingot for a pickling test to determine if the top end is adequately cut. Ultrasonic testing can also be performed on the shrinkage hole as selected by the supplier.

Test:
- Chemical composition verification test
- hydrostatictest
- Tensile test
- Notched impact test
- Yield strength test
- Ring test
- Nondestructive testing

Plain End Din 17175 St35.8 Cold Drawn Seamless Steel Tube Cs 1

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