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X70 PIPE,API 5L X70 erw pipe for Gas Pipeline

X70 steel pipes,under API 5L standard, we can regard X70 steel pipes as large diameter pipes.

API 5L PSL2 ERW Steel Pipe X70

1> Standard: ASTM A106, ASTM A53, API5L,

2> Grade: API 5L GR.B, X46-X70

3> Outer Diameter: 6mm-610mm (1/16"-24")

4> Thickness: 0.3mm-22mm

5> Length: 0.5m-20m(fixed or random)

X70 PIPE,API 5L X-70 erw pipe for Gas Pipeline

X70 PIPE

OD/mm (r x d)	WT Kg/m	OD/mm (r x d)	WT Kg/m	OD/mm (r x d)	WT Kg/m
219 x 6	32.02	478 x 9	104.59	920 x 10	224.91
219 x 7	37.10	478 x 10	115.91	920 x 12	269.20
219 x 8	42.13	478 x 12	138.40	1020 x 8	200.15
273 x 6	40.01	529 x 6	77.88	1020 x 9	224.88
273 x 7	46.42	529 x 7	90.61	1020 x 10	249.57
273 x 8	52.78	529 x 8	103.28	1020 x 12	298.79
273 x 9	59.09	529 x 9	115.91	1020 x 14	347.81
325 x 6	47.70	529 x 10	128.49	1220 x 10	298.89
325 x 7	55.39	529 x 12	153.49	1220 x 12	357.97
325 x 8	63.04	630 x 6	92.83	1220 x 14	416.86
325 x 9	70.63	630 x 7	108.04	1220 x 16	475.55
377 x 6	55.39	630 x 8	123.21	1420 x 10	348.21
377 x 7	64.37	630 x 9	138.32	1420 x 12	417.16
377 x 8	73.30	630 x 10	153.39	1420 x 14	485.91
377 x 9	82.17	630 x 12	183.38	1420 x 16	554.46
377 x 10	91.00	720 x 7	123.58	1620 x 12	478.34
377 x 12	108.51	720 x 8	140.96	1620 x 14	554.96
426 x 6	62.64	720 x 9	158.30	1620 x 16	633.37
426 x 7	72.83	720 x 10	175.59
426 x 8	82.96	720 x 12	210.01
426 x 9	93.05	820 x 8	160.69
426 x 10	103.09	820 x 9	180.49
426 x 12	123.01	820 x 10	200.25
478 x 6	70.34	820 x 12	239.60
478 x 7	81.80	920 x 8	180.42
478 x 8	93.22	920 x 9	202.69

API X70 PIPE

API 5L X70 steel Chemical composition-% by mass*

Grades	Material number	C max	Si max	Mn. mix	P max	S max
X70	1.8977	0.04-0.16	0.55	1.10-1.70	0.035	0.035

API 5L X70 steel Mechanical properties

Grade X70	Permissible yield point ratio	Yield Strength MPa(min)	Tensile Strength MPa	Elongation % (min)
Grade X70	≤ 0.85	480	600 - 750	-

X70 steel pipes is one mainly of Steel for large diameter pipes,API-X70 steel with the demands in mechanical properties of the pipes followed the API specification for grade X70 (YS is 485MPa, TS is from 600-750 MPa).It is well known that a low carbon bainitic microstructure offers an excellent combination of strength and toughness.