Seamless Steel Pipe (GBT9808-2008 Q(N)XJY118-2010) [China (Mainland)]

Update Time:

2014-06-06

Valid to:

Never Expired

Detailed Description:

Standard: GBT9806-2008 Q(N)XJY118-2010
Application: For wire-line drill rods, sore barel tubes, drill rods coupling and casing.
Size(mm): O. D.: 6.0~95.0 W. T.: 1~10 L: Max12000

Delivery condition: Hot rolled, Cold worked, Annealed, Normalized, Stress Released
Certificate: ISO9001 TUV

Packing:
1. Standard export bundle wrapped with strong steel strip
2. Wooden case
3. Nylon packed
Payment: T/T
Delivery: With 40 days of order confirmation
Your special requirement is highly welcomed and will be fulfilled.
We always provide highest quality seamless pipe/tube and best service.

Grade	Condition	Tensile Point (Mpa)	Yield Point (Mpa)	Elongation
ZT380	Normalized	≥640	≥380	≥14%
ZT490	Normalized	≥690	≥490	≥12%
ZT540	Normalized	≥740	≥540	≥12%
ZT590	Normalized	≥770	≥590	≥12%
ZT640	QT	≥790	≥640	≥12%
ZT740	QT	≥840	≥740	≥10%
XJY860	QT	≥950	≥850	≥15%

Normal sizes:

Wire-line drill rods	Core Barrel tunes	Casing	Coupling
43.5*4.75	31*2	45*4.5	46*6.5
53*4.5	41*2	54*4.5	56*7
55.5*4.75	43*2.5	58*4.5	58*7
71*5	56*2.5	73*5	74*7.5
71*5.5	56*2.5	73*5	75*8
89*5.5	71*3	89*6	94*9.5
55.5*4.8(BQ)	42.9*2.4	57.2*5.6
70.1*5(NQ)	55.62*8	73*6.25
89*5.6(HQ)	73*3.15	92.1*7.15

Tolerance on sizes:

Standard	Type	Size (MM)	Tolerance
Gb/t9808-2008	OD	OD	+1.0%D -0.5%D;OR +0.65-0.35 , SELET BIGGER
	WT	≤10	+15%S -10%;OR +0.45-0.35, SELECT BIGGER
	WT	more than10	+12.5%S -10%S
	HOT ROLLED	OD	±0.50%D OR ±0.20,SELETBIGGER
	HOT ROLLED	WT	±8%S OR ±0.15,SELECT BIGGER
Q(N)XJY118-2010	COLD DRAWN	OD	±0.40%D OR±0.20,SELECT BIGGER
Q(N)XJY118-2010	COLD DRAWN	WT	±7% OR ±0.15,SELECTBIGGER