ASME SA213 T91 High Pressure Seamless Steel Pipes as Boiler Tubes

• Type: Seamless
• Technique: Hot Rolled
• Material: Alloy Steel
• Surface Treatment: Bare Pipe
• Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Special Purpose
• Section Shape: Round
• Model NO.: IR-B
• Size: 21mm~114mm
• Length: Fixed Length, by Random
• End Processing: Plain Ends
• Surface: Bare Pipe, Anti-Rust Painting
• Thickness: Sch10~Sch40
• Transport Package: Standard Seaworthy Packing
• Specification: ASTM A210
• Trademark: Iron&steel
• Origin: China
• HS Code: 73045910
• Production Capacity: 2000tons Per Month

Product Description

ASME SA213 T91 Seamless Steel Boiler Pipe
Standards:
GB3087 Chinese national standard
GB5310 Chinese national standard
ASME SA210 Boiler and pressure vessel code of ASME
ASME SA213 Boiler and pressure vessel code of ASME
DINl7175 Deutsches industrial standard~
Application:
Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and
operating temperature below 450 oc);as the pipes on the heated sides of high·pressure boilers,economizers,overheaters,reheaters and pipes
for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450~C~650~C1
Specifications of ma}or steel:
10,20,20G,20MnG,25MnG,15CrMoG,12Cr2MoG,12Cr1MoVG,12Cr2MoWVTiB,10Cr9Mo1VNb,SA210A1,SA210C,SA213 T11,SA213 T12,SA213 T22,SA213 T23,SA213 T91,SA213 T92,ST45.8/III,15Mo3,13CrMo44,10CrMo910etc.

Diamensional tolerances:

Types of steel tubes	Outer diameters		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	>30~50	±0.3	>3~20	±10%

 

Mechanical properties:

Standard codes	Models of steel tubes	Tensite strength(MPa)	Yield strength(MPa)	Elongation(%)	Hardness
GB3087	10	335~475	≥195	≥24	/
	20	410~550	≥245	≥20	/
GB5310	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	/

 

Chemical composition:

Standard codes

Models of steel tubes

Chemical compositions(%)

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

Al

W

Ti

Nb

N

GB3087

10

0.07~0.13

0.17~0.37

0.38~0.65

≤0.030

≤0.030

0.3~0.65

/

≤0.25

≤0.30

/

/

20

0.17~0.23

0.17~0.37

0.38~0.65

≤0.030

≤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

≤0.030

≤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

≤0.030

≤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

≤0.030

≤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

≤0.030

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

≤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

≤0.030

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

≤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

≤0.030

SA210C

0.18~0.24

≥0.1

0.80~1.10

≤0.030

≤0.030

ASME SA213

SA213 T11

0.05~0.15

0.50~1.0

0.30~0.60

≤0.030

≤0.030

1.00~1.50

0.50~1.00

SA213 T12

0.05~0.15

≤0.50

0.30~0.61

≤0.030

≤0.030

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

≤0.030

1.90~2.60

0.05~0.30

≤0.030

1.45~1.75

B0.0005~0.006

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

≤0.040

15Mo3

0.12~0.20

0.10~0.35

0.40~0.80

≤0.035

≤0.035

0.25~0.35

13CrMo44

0.10~0.18

0.10~0.35

0.40~0.70

≤0.035

≤0.035

0.70~1.10

0.45~0.65

10CrMo910