Our products are in accordance with CNS, ASTM, ASME, DIN, EU Standard.
We have various kinds and sizes of hot-rolled and cold-drawn seamless steel tubes & pipes with O.D below 720mm.
Authentication certificate
1. Environmental Management System Certificate
2. Quality Systerm Certificate
3. API
4. ISO
5. Other certificates
API seamless steel O.D.139.7mm s135 drill pipe
No. | Size | Grade | Upsetting | Standards | |
OD mm(in) | WT mm | ||||
1 | 60.35(2-3/8″) | 7.11 | E,X,G,S | EU | API 5DP |
2 | 73(2-7/8″) | 9.19 | EU,IU | ||
3 | 88.9(3-1/2″) | 6.45 | E | ||
9.35 | E,X,G,S | ||||
11.4 | E | ||||
X,G,S | EU,IEU | ||||
4 | 101.6(4″) | 8.38 | E,X,G,S | EU,IU | |
5 | 114.3(4-1/2″) | 6.88 | E | ||
8.56 | E,X,G,S | EU,IEU | |||
10.92 | |||||
6 | 127(5″) | 7.52 | IU | ||
9.19 | E | IEU | |||
X,G,S | EU,IEU | ||||
12.7 | E | IEU | |||
X,G,S | EU,IEU | ||||
7 | 139.7(5-1/2″) | 9.17 | E,X,G,S | IEU | |
10.54 | |||||
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