12Cr1MoVG Boiler Tube Seamless Diameter 219.1x12.7

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12Cr1MoVG Boiler Tube Seamless Diameter 219.1x12.7

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GB5310 chinese standard 12Cr1MoVG seamless steel tubes and pipes for high pressure boiler.

Equivalent: ASTM A335 P11/ASME A213 T11

Application

Used in petroleum, chemical, electric power, boiler industry with high temperature resistance, low temperature resistance, corrosion resistance seamless steel pipes

Chemical component:

Grade	Chemical component(mass fraction)/%
	C	Si	Mn	Cr	Mo	V	P	S
							Max
12Cr1MoVG	0.08-0.15	0.17-0.37	0.40-0.70	0.90-1.20	0.25-0.35	0.15-0.30	0.025	0.010

Mechanical property:

Grade	Tensile property				impact absorbed energy
	Strength of extension MPa	REL	Percentage elongation after fracture A/%		Lengthways	Crosswise
			Lengthways	Crosswise
		No less than
12Cr1MoVG	470-640	255	21	19	40	27

Test:

- Flattening Test (D﹥22mm-400mm and S≤40mm);

- Bending Test (D﹥400mm or S﹥40mm);

- Flaring Test (D≤76mm and S≤8mm);

- Macro test;

- Nonmetallic inclusion;

- Grain size;

- micro structure;

- Decarburized Layer;

- Inter-granular corrosion test;

- Surface quality inspection;

- Nondestructive testing.

Size available

OD*WT: 8~406.4mm*6-100mm

Inaddition, my company have these tube stock about 3000tons, so the delivery is very fast. one or two weeks is enough.

My company hot sale steel pipe:

ASTM A106 B seamless pipes,（1” to 24” sch40, sch80),

API 5L GR.B steel pipes, (seamless pipe, LSAW pipe, SSAW pipes, 1” to 110” sch 40, sch80),

Boiler tubes,( 20G. 12Cr1MoVG, ASTM A335 P5, P9, P11),

ASTM A333 GR.6 seamless pipes, ( 1” to 24” sch40, sch80, sch160)