| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Qingdao,Shanghai |
Model No.: JIS G3454 Stpg370 Stpg410
Standard: Gb, Jis, Astm
Material: Stpg42, Stb35-Stb42, Cr-Mo Alloy, Crni Alloy, Mn-V Alloy
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Boiler Pipe, Structure Pipe, Hydraulic Pipe
Production Process: Hot Rolled
Certification: Ce
Special Tube: Thick Wall Pipe
Whether Alloy: Is Alloy
Tolerance: ±1%
Category: Seamless Steel Pipe
Processing Service: Cutting, Punching, Decoiling, Bending
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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JIS G3454 Carbon Steel Pipe
JIS G3454 Carbon steel pipes for pressure service at an approximate maximum temperature of 350℃.
Chemical Compositions(%) of JIS G3454
| Standard | Grade | C | Si | Mn | P | S |
| JIS G3454 | STPG370 | ≤0.25 | ≤0.35 | 0.30-0.90 | ≤0.040 | ≤0.040 |
| STPG410 | ≤0.30 | ≤0.35 | 0.30-1.00 | ≤0.040 | ≤0.040 |
| Standard | Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3454 | STPG370 | ≥216 | ≥370 | ≥30 |
| STPG410 | ≥245 | ≥410 | ≥25 |
The tubes shall be manufactured by seamless process, electric resistance welding process, or butt welding process, and those of other grades shall be manufactured by seamless process or electric resistance welding process. The tube shall be as manufactured or as cold-finished condition, or they shall be subjected to appropriate heat treatment.
The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube. The tubes shall be free from defects detrimental to practical use.
| Division | Method of sampling specimen and number of test pieces |
| Nominal diameter, 50 A or under | On shall be taken form each 1000 pipes of its fraction of the same dimensions (2) |
| Nominal diameter, 65 A or over up to and incl. 125 A | one shall be taken from each 500 pipes or its fraction of the same dimensions |
| Nominal diameter, 150 A or over up to and incl. 300 A | One shall be taken form each 250 pipes of its fraction of the same dimensions |
| Nominal diameter, 350 A or over | One shall be taken form each 150 pipes or its fraction of the same dimensions |
Note (2) The expression "same dimensions" means the same outside diameter as well as the same wall thickness.
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