Name: China Cheap Alloy Steel Seamless Pipe Manufacturers Suppliers Factory - Customized Service - GNEE Pipe
Brand: GNEE
SKU: 234830463

Alloy Steel Boiler Tubes, Superheater Tubes, Heat Exchanger Tubes
Size: Outside Diameter: 3/4" to 4", Wall Thickness: 1mm to 20mm
Standard: SA-213M T11, T12, T5, T9, SA-209M T1A, ASTM A335 P11, P22, P5, P9, GB/T 5103
Application: Alloy Steel Tubes (Pipes) are High-pressure Boiler Tubes, which are mainly applied on Super Heaters, Reheaters, Water Walls, Economizers of the Super Critical and Ultra Super Critical Boilers, the Alloy Tubes required to have high creep rupture strength.

standard

chemical composition(%)

GB3087

0.07～0.13

0.17～0.37

0.38～0.65

≤0.030

0.3～0.65

≤0.25

≤0.30

0.17～0.23

0.17～0.37

0.38～0.65

≤0.030

0.3～0.65

≤0.25

≤0.30

GB5310

20G

0.17～0.24

0.17～0.37

0.35～0.65

≤0.030

≤0.25

≤0.15

≤0.20

≤0.25

≤0.08

20MnG

0.17～0.24

0.17～0.37

0.70～1.00

≤0.030

≤0.25

≤0.15

≤0.20

≤0.25

≤0.08

25MnG

0.18～0.24

0.17～0.37

0.80～1.10

≤0.030

≤0.25

≤0.15

≤0.20

≤0.25

≤0.08

15CrMo

0.12～0.18

0.17～0.37

0.40～0.70

≤0.030

0.80～1.10

0.40～0.55

≤0.20

≤0.30

12Cr2MoG

0.08～0.15

≤0.50

0.40～0.70

≤0.030

2.00～2.50

0.90～1.20

≤0.20

≤0.30

12Cr1MoV

0.08～0.15

0.17～0.37

0.40～0.70

≤0.030

0.90～1.20

0.25～0.35

≤0.20

≤0.30

0.15～0.30

12Cr2MoWVTiB

0.08～0.15

0.45～0.75

0.45～0.65

≤0.030

1.60～2.10

0.50～0.65

≤0.20

≤0.30

0.28～0.42

0.30～0.55

0.08～0.15

B 0.002～0.008

10Cr9Mo1VNb

0.08～0.12

0.20～0.50

0.30～0.60

≤0.020

≤0.010

8.00～9.50

0.85～1.05

≤0.20

≤0.40

0.18～0.25

≤0.015

0.06～0.10

0.03～0.07

ASME SA210

SA210A-1

0.13～0.19

≥0.1

0.45～0.65

≤0.030

SA210C

0.18～0.24

≥0.1

0.80～1.10

≤0.030

ASME SA213

SA213 T11

0.05～0.15

0.50～1.0

0.30～0.60

≤0.030

1.00～1.50

0.50～1.00

SA213 T12

0.05～0.15

≤0.50

0.30～0.61

≤0.030

0.80～1.25

0.44～0.65

SA213 T22

0.05～0.15

≤0.50

0.30～0.60

≤0.030

≤0.010

1.90～2.60

0.87～1.13

SA213 T23

0.04～0.10

≤0.50

0.10～0.60

≤0.030

1.90～2.60

0.05～0.30

≤0.030

1.45～1.75

B 0.0005～0.006

0.02～0.08

≤0.040

SA213 T91

0.08～0.12

0.20～0.50

0.30～0.60

≤0.020

≤0.010

8.00～9.50

0.85～1.05

≤0.40

0.18～0.25

≤0.015

0.06～0.10

0.03～0.07

SA213 T92

0.07～0.13

≤0.50

0.30～0.60

≤0.020

≤0.010

8.50～9.50

0.30～0.60

≤0.40

0.15～0.25

≤0.015

1.50～2.00

B 0.001～0.006

0.04～0.09

0.03～0.07

DIN 17175

ST45.8/Ⅲ

≤0.21

0.10～0.35

0.40～1.20

≤0.040

15Mo3

0.12～0.20

0.10～0.35

0.40～0.80

≤0.035

0.25～0.35

13CrMo44

0.10～0.18

0.10～0.35

0.40～0.70

≤0.035

0.70～1.10

0.45～0.65

10CrMo910

0.08～0.15

≤0.50

0.30～0.70

≤0.025

≤0.020

2.00～2.50

0.90～1.10

≤0.30

≤0.015

standard		Tensile strength (MPa)	Yield strength (MPa)	Elongation(%)	hardness
GB3087	10#	335～475	≥195	≥24	/
20#	410～550	≥245	≥20	/	-
GB/T5310	20G	410～550	≥245	≥24	/
20MnG	≥415	≥240	≥22	/	-
25MnG	≥485	≥275	≥20	/	-
15CrMoG	440～640	≥235	≥21	/	-
12Cr2MoG	450～600	≥280	≥20	/	-
12Cr1MoVG	470～640	≥255	≥21	/	-
12Cr2MoWVTiB	540～735	≥345	≥18	/	-
10Cr9Mo1VNb	≥585	≥415	≥20	/	-
ASME SA210	SA210A-1	≥415	≥255	≥30	≤143HB
SA210C	≥485	≥275	≥30	≤179HB	-
ASME SA213	SA213 T11	≥415	≥205	≥30	≤163HB
SA213 T12	≥415	≥220	≥30	≤163HB	-
SA213 T22	≥415	≥205	≥30	≤163HB	-
SA213 T23	≥510	≥400	≥20	≤220HB	-
SA213 T91	≥585	≥415	≥20	≤250HB	-
SA213 T92	≥620	≥440	≥20	≤250HB	-
DIN17175	ST45.8/Ⅲ	410～530	≥255	≥21	/
15Mo3	450～600	≥270	≥22	/	-
13CrMo44	440～590	≥290	≥22	/	-
10CrMo910	480～630	≥280	≥20	/	-