API Standard Drilling Pipe

1. Standard

ASTM A519   CA&S 0028 REV.12CA&S 0011 REV. 12CA&S 0036 REV. 5

GLOBAL SPECIAL STEELS GSS-101 REV.Draft1

GLOBAL SPECIAL STEELS GA-102 REV.Draft1

BMS P106 REV.KBMSP110REV.L  ES-MA-18-* 

2. Chemical Composition

Grade		C	Mn	S	P	Si	Ni	Cr	Cu	Mo	Al
G105	min	0.24	1.05			0.20		0.80		0.15	0.005
	max	0.29	1.20	0.006	0.015	0.35	0.25	1.00	0.20	0.20	0.040
actual value		0.27	1.10	0.002	0.012	0.27	0.03	0.88	0.03	0.17	0.016
S135	min	0.25	0.80			0.17		0.90		0.40	0.005
	max	0.30	1.05	0.006	0.015	0.35	0.25	1.05	0.20	0.45	0.040
actual value		0.27	0.95	0.001	0.010	0.25	0.03	0.99	0.03	0.43	0.020

3. Materials Properties

牌号Grade	Totalelongation under load%	Rm(MPa)	Rt（MPa)	Elongation %	CVN/0℃ AVG（J）
G105	0.6	≥793	724-931	API 5DP	API 5DP
actual value	0.6	938	859	23	122
S135	0.7	≥1000	931-1138	API 5DP	API 5DP
actual value	0.7	1181	1046	21	90

 

4. Typical Size

Nominal Size	OD	OD Tolerance	WT	WT Tolerance	length
114.3*8.56	114.3	±0.79mm	8.56	±10%S	R2
127*9.19	127	-0.5~1%D	9.19	±10%S	R2
127*12.7	127	-0.5~1%D	12.7	±10%S	R2
139.7*9.17	139.7	-0.5~1%D	9.17	±10%S	R2
139.7*10.54	139.7	-0.5~1%D	10.54	±10%S	R2
168.28*9.19	168.28	-0.5~1%D	9.19	±10%S	R2

 

5. Application environment

    For oil and gas well drilling.