规格。API 5CTCarcasaţeAvăPentruUleişiFurnizareade Gaze

规格。API 5ct.Carcasadeţeavă.石油和天然气交付
1.Grad：J55 K55 N80 L80 P110
2.STD：API 5ct 5ct.
3.FIR：TubulaturăGuler：Guler de Carcasa en Ue：STC BTC LTC.
4.Dimensiune：TubulaturăGuler：2 3/8“ - 4 1/2”Carcasa Guler：4 1/2“-20”

Lungimi：

API 5ctTubulatură.	GAMA 1	GAMA 2	GAMA 3.
	6.10〜7.32	8.53〜9.75	11.58〜12.80