DIN 17175, St35.8 Seamless Steel Pipe Lines,Heat-Resistant high pressure boiler pipes
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As an expert DIN 17175 Seamless Pipes manufacturer and company, The pipes are used in the boiler market, pipeline market, pressure reserviors at a high pressure and a temperature of 600 ° C.
Chemical Composition(%) of DIN 17175 Seamless Pipes
| Grade | C | Si | Mn | S | P | Cr | Mo | V | |
| Standard | Steel grade | Max | |||||||
| DIN 17175 | St35.8 | =0.17 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | – | – |
| St45.8 | =0.21 | 0.10-0.35 | 0.40-1.2 | 0.02 | 0.025 | – | – | – | |
| 15Mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | 0.25-0.35 | – | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.70-1.10 | 0.45-0.65 | – | |
| 10CrMo910 | 0.08-0.15 | =0.50 | 0.40-0.70 | 0.02 | 0.025 | 2.00-2.5 | 0.90-1.20 | – | |
| 14MoV63 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.30-0.60 | 0.50-0.70 | 0.22-0.32 | |
| 12Cr1MoV | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.02 | 0.025 | 0.90-1.20 | 0.25-0.35 | 0.15-0.30 | |
Specification Of DIN 17175, St35.8 Seamless Steel Pipe Lines
| product | DIN 17175, St35.8 Seamless Steel Pipe Lines |
| Out diameter(mm) | 21mm-914mm |
| Wall thickness(mm) | SCH10,SCH20，SCH30，SCH40，SCH60，SCH80，SCH160，SCHXXS |
| Standard | DIN 17175 |
| Quality grade | First Grade |
| Material | St.35.8, St.45.8, St.13CrMo44 |
| Treatment | Ends plain or beveled/Varnish coating or not,etc,also according to the customers requirements. |
| Specification | Round |
| Length | 3M-12M,we can customize just for you. |
applications of DIN 17175, St35.8 Seamless Steel Pipe Lines
DIN17175 St35.8Heat seamless steel pipe is used for 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.
packings: Inner packing:Caps on two ends of every pipe. Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
