ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175

ST35.8 Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175

Product Details:

Place of Origin: Changzhou
Brand Name: Joyruns
Certification: ISO9001
Model Number: 48*11

Payment & Shipping Terms:

Minimum Order Quantity: 2Tons
Packaging Details: plastic packing, end caps, wooden box packing
Delivery Time: 30days
Payment Terms: L/C, T/T
Supply Ability: 2000Tons/Month
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Detail Information

OD Size: 6mm To 114.3mm Thickness: 1mm To 20mm
Standard: DIN2391, EN10305, EN10216, EN10210 Material: ST35, ST45, ST52
Type: Seamless Cold Drawning Precision Tube Delivery State: +N, +NBK,+C,+BKS,+GBK

Product Description

DIN17175 ST35.8 Cold drawn seamless heat exchanger tube 25.4*2.77

DIN 17175 steel pipes are used in boiler installations, high-pressure pipelines and tank construction, and special machinery for both high temperature and high-pressure devices.

DIN17175 St35.8Heat seamless steel pipe is used for the high-pressure boiler (working pressure generally above 9.8 Mpa, working temperature between 450 ℃ ~ 650 ℃) of the heating surface pipe, economizer, superheater, reheater tube, petrochemical industry, etc.

Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

 

Chemical Composition

Standard Grade Chemical Components (%)
C Si Mn P S Mo Cr
DIN17175 St 35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.040 ≤0.040 / /
St 45.8 ≤0.17 0.10-0.35 0.40-0.80 ≤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 0.45-0.65 0.70-1.10
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 ≤0.035 ≤0.035 0.90-1.20 2.0-2.50

 

Mechanical Properties

Standard Grade Mechanical properties
Tensile Strength (Mpa) Yield Strength (Mpa) Elongation (%)
DIN17175 St 35.8 360-480 ≥235 ≥25
St 45.8 410-530 ≥255 ≥21
15Mo3 450-600 ≥270 ≥22
13CrMo44 440-580 ≥290 ≥22
10CrMo910 450-600 ≥280 ≥20

 

ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 0  ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 1   ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 2

 

ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 3  ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 4   ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 5

 

ST35.8  Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175 6

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