1. Buitendiameter: Ф219-Φ660mm
2. Wanddikte: 6-22mm
3. Lengte: 3-12m
4. Staalkwaliteit: Q345B, API X42 – X80, L245, L555,J55, N80
5. Standaard: SY/T5037-2000, GB/T9711.1-97, API Spec 5L
6.Einde:vierkante uiteinden (recht afgesneden, zagen, knippen, en fakkel knippen). of schuine voor het lassen, schuine kant,
7.Oppervlak: licht geolied, Thermisch verzinkt, Electro gegalvaniseerd, Zwart, Kale, Lak coating/Anti roest olie, Beschermende Coatings (Koolteer Epoxy,Fusion Bond Epoxy, 3-lagen PE)
8.Test: hydro testing, ultrasonic detection, ultrasoon testen voor pijp eind, visuele en dimensie van inspectie, weighing and measuring, enz.
Chemische analyse (%) van ERW transmissie stalen buizen:
Soort buizen | Klasse | Cijfer | C | Si | MN | P | S | V | NB | TI |
Max | Max | Max | Max | Max | Max | Max | Max | |||
LASSEN | PLS1 | L245 B | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – |
L290 X42 | 0.26 | – | 1.3 | – | 0.03 | 0.03 | – | – | ||
L320 X46 | 0.26 | – | 1.4 | – | 0.03 | 0.03 | – | – | ||
L360 X52 | 0.26 | – | 1.4 | – | 0.03 | 0.03 | – | – | ||
L390 X56 | 0.26 | – | 1.4 | – | 0.03 | 0.03 | – | – | ||
L415 X60 | 0.26 | – | 1.4 | – | 0.03 | 0.03 | – | – | ||
L450 X65 | 0.26 | – | 1.45 | – | 0.03 | 0.03 | – | – | ||
L485 X70 | 0.26 | – | 1.65 | – | 0.03 | 0.03 | – | – | ||
PLS2 | L245M BM | 0.22 | 0.45 | 1.2 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | |
L290M X42M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L320M X46M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L360M X52M | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | – | – | – | ||
L390M X56M | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | – | – | – | ||
L415M X60M | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | – | – | – | ||
L450M X65M | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | – | – | – | ||
L485M X70M | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | – | – | – | ||
L555M X80M | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | – | – |