Pamantayan of carbon steel na walang tahi na tubo
| ASTM A53 Gr.B | Itim at hot-dipped zinc-coated steel pipe na hinangin at walang tahi | 
| ASTM A106 Gr.B | Seamless na carbon steel para sa mataas na temperatura na serbisyo | 
| ASTM SA179 | Walang putol na cold-drawn na low-carbon steel heat exchanger at condenser tubes | 
| ASTM SA192 | Seamless na carbon steel boiler tubes para sa mataas na presyon | 
| ASTM SA210 | Seamless Medium-carbon boiler at superheater tubes | 
| ASTM A213 | Seamless alloy-steel boiler, superheater, at heat-exchanger tubes | 
| ASTM A333 GR.6 | walang tahi at welded carbon at alloy steel pipe na nilayon para gamitin sa mababang temperatura. | 
| ASTM A335 P9,P11,T22,T91 | Seamless na ferritic alloy-steel pipe para sa serbisyong may mataas na temperatura | 
| ASTM A336 | Alloy steel forgings para sa mga bahagi ng presyon at mataas na temperatura | 
| ASTM SA519 4140/4130 | Seamless na carbon para sa mechanical tubing | 
| API Spec 5CT J55/K55/N80/L80/P110/K55 | Seamless steel pipe para sa casing | 
| API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70 | Seamless steel pipe para sa line pipe | 
| DIN 17175 | Seamless steel tube para sa mataas na temperatura | 
| DN2391 | Cold drawn seamless prevision pipe | 
| DIN 1629 | Walang pinagtahian na pabilog na walang pinaghalo na bakal na tubo na napapailalim sa mga espesyal na kinakailangan | 
Carbon steel seamless pipe grade:
Mga kemikal na sangkap at mekanikal na katangian
| Pamantayan | Grade | Mga Bahagi ng Kemikal (%) | Mga Katangiang Mekanikal | ||||||
| ASTM A53 | C | Si | Mn | P | S | Tensile Strength(Mpa) | Lakas ng Yield(Mpa) | ||
| A | ≤0.25 | - | ≤0.95 | ≤0.05 | ≤0.06 | ≥330 | ≥205 | ||
| B | ≤0.30 | - | ≤1.2 | ≤0.05 | ≤0.06 | ≥415 | ≥240 | ||
| ASTM A106 | A | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥415 | ≥240 | |
| B | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥485 | ≥275 | ||
| ASTM SA179 | A179 | 0.06-0.18 | - | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
| ASTM SA192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
| API 5L PSL1 | A | 0.22 | - | 0.90 | 0.030 | 0.030 | ≥331 | ≥207 | |
| B | 0.28 | - | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 | ||
| X42 | 0.28 | - | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | ||
| X46 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | ||
| X52 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | ||
| X56 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | ||
| X60 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥517 | ≥448 | ||
| X65 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥531 | ≥448 | ||
| X70 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥565 | ≥483 | ||
| API 5L PSL2 | B | 0.24 | - | 1.20 | 0.025 | 0.015 | ≥414 | ≥241 | |
| X42 | 0.24 | - | 1.30 | 0.025 | 0.015 | ≥414 | ≥290 | ||
| X46 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥434 | ≥317 | ||
| X52 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥455 | ≥359 | ||
| X56 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥490 | ≥386 | ||
| X60 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥517 | ≥414 | ||
| X65 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥531 | ≥448 | ||
| X70 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥565 | ≥483 | ||
| X80 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥621 | ≥552 | ||
Pag-uuri ng carbon steel na walang tahi na tubo
| Mga uri | Aplikasyon | 
| Mga Layunin ng Istruktura | Pangkalahatang istraktura at mekanikal | 
| Mga Serbisyong Liquid | Petrolyo, gas at iba pang mga likido na nagdadala | 
| Mababa at Katamtamang Pressure Boiler Tube | Paggawa ng singaw at boiler | 
| Serbisyong Hydraulic Pillar | Suporta sa haydroliko | 
| Auto Semi-shaft Casing | Auto sem-shaft casing | 
| Line Pipe | Paghahatid ng langis at gas | 
| Tubing at Casing | Paghahatid ng langis at gas | 
| Drill Pipe | Well drilling | 
| Geological Drilling Pipe | Geological na pagbabarena | 
| Mga tubo ng hurno, mga tubo ng heat exchanger | Mga tubo ng hurno, mga palitan ng init | 
Oras ng post: Ago-23-2022
