OEM/ODM Manufacturer ASTM A210 Boiler Tube – GB 5310 20G High Pressure Boiler Tube – Haihui

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OEM/ODM Manufacturer ASTM A210 Boiler Tube – GB 5310 20G High Pressure Boiler Tube – Haihui Detail:

Grade	C	Si	Mn	S	P	Cr	Mo	V	Ti	B	W	Ni	Al	Nb	N
20G	0.17-0.23	0.17-0.37	0.35-0.65	0.015	0.025
20 MnG	0.17-0.24	0.17-0.37	0.70-1.00	0.015	0.025
25 MnG	0.22-0.27	0.17-0.37	0.70-1.00	0.015	0.025
15 MoG	0.12-0.20	0.17-0.37	0.40-0.80	0.015	0.025		0.25-0.35
20 MoG	0.15-0.25	0.17-0.37	0.40-0.80	0.015	0.025		0.44-0.65
12CrMoG	0.08-0.15	0.17-0.37	0.40-0.70	0.015	0.025	0.40-0.70	0.40-0.55
15CrMoG	0.12-0.18	0.17-0.37	0.40-0.70	0.015	0.025	0.80-1.10	0.40-0.55
12Cr2MoG	0.08-0.15	≤0.60	0.40-0.60	0.015	0.025	2.00-2.50	0.90-1.13
12Cr1MoVG	0.08-0.15	0.17-0.37	0.40-0.70	0.01	0.025	0.90-1.20	0.25-0.35	0.15-0.30
12Cr2MoWVTiB	0.08-0.15	0.45-0.75	0.45-0.65	0.015	0.025	1.60-2.10	0.50-0.65	0.28-0.42	0.08-0.18	0.002-0.008	0.30-0.55
10Cr9Mo1VNbN	0.08-0.12	0.20-0.50	0.30-0.60	0.01	0.02	8.00-9.50	0.85-1.05	0.18-0.25				≤0.040	≤0.040	0.06-0.10	0.03-0.07

GB 5310 20G High Pressure1
GB 5310 20G High Pressure4
GB 5310 20G High Pressure5

Grade	Tensile strength	Yield point(Mpa)	Elongation(%)	Impact(J)
Grade	(Mpa)	not less than	not less than	not less than
20G	410-550	245	24/22	40/27
25MnG	485-640	275	20/18	40/27
15MoG	450-600	270	22/20	40/27
20MoG	415-665	220	22/20	40/27
12CrMoG	410-560	205	21/19	40/27
12 Cr2MoG	450-600	280	22/20	40/27
12 Cr1MoVG	470-640	255	21/19	40/27
12Cr2MoWVTiB	540-735	345	18	40/27
10Cr9Mo1VNb	≥585	415	20	40
1Cr18Ni9	≥520	206	35
1Cr19Ni11Nb	≥520	206	35

W.T.(S)		Tolerance of W.T.
<3.5		+15%(+0.48mm min)
		-10%(+0.32mm min)
3.5-20		+15%,-10%
>20	D<219	±10%
	D≥219	+12.5%,-10%

UT(Ultrasonic examination).

N(Normalized).

Q+T(Quenched and Tempered).

Z Direction Test(Z15,Z25,Z35).

Charpy V-Notch Impact Test.

The Third Party Test (such as SGS Test).

Coated or Shot Blasting and Painting.

GB5310 20G seamless steel pipes are mainly used for pressure vessels, machinery, pipe fittings, oil and chemical industry.

GB 5310 High pressure boiler tube Other Name

GB 5310 igh pressure boiler tube, 20G boiler steel pipe, 20G boiler pipe

Boiler tubing is used in these industries:
Steam Boilers.
Power Generation.
Fossil Fuel Plants.
Electric Power Plants.
Industrial Processing Plants.

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