A213 Alloy Steel Boiler Tube - China

A213 Alloy Steel boiler tube

SA- 213/ SA- 213M Specification for seamless Ferritic Alloy

steel boiler, Superheater and heat exchanger tubes

Delivery Condition: Normalized and Tempered

Inspections and Tests Performed: Chemical Composition

Inspection, Mechanical Properties Test( Tensile Strength,

Yield Strength, Elongation, Flaring, Flattening, Bending,

Hardness, Impact Test) , Surface and Dimension Test, No-

destructive Test, Hydrostatic Test.

Surface treatment: Oil- dip, Varnish, Passivation,

Phosphating, Shot Blasting

Inner packing: Caps on two ends of every pipe

Package: bare packing/ bundle packing/ wooden carton packing.

Size Tolerance

Tube Kinds

SA213 OD( D)

SA213 Thickness( S)

OD( mm)

OD Tolerance( mm)

Thickness Tolerance( mm)

Hot Rolled

=101.6

+0.4~- 0.8

76~168.3

+28% ~0

>101.6~168.3

+0.4~- 1.2

Cold Drawn

<25.4

0.1

=38.1

+20% ~0

25.4~38.1

0.15

>38.1~<50.8

0.2

>38.1

+22% ~0

50.8~<63.5

0.25

63.5~<76.2

0.3

76.2~101.6

0.38

>101.6~190.5

+0.38~- 0.64

>190.5~228.6

+0.38~- 1.14

Grade

Tensile Strength, Min.

, ksi[ MPa]

Yield Strength, Min.

, ksi[ MPa]

Elongation

in 2 in.

or 50 mm, Min.

, % [ Note ( 1) , ( 2) ]

T12

60 [ 415]

32 [ 220]

30

T23

74 [ 510]

58 [ 400]

20

T91

85 [ 585]

T92

90 [ 620]

64 [ 440]

T122

18Cr- 2Mo

40 [ 275]

NOTES:

( 1) When standard round 2 in.

or 50 mm gage length or

smaller proportionally sized specimens with gage length

equal to 4D ( 4

times the diameter) is used, the minimum elongation shall be

22% for all ferritic grades except 18Cr- 2Mo, T23 and T91.

( 2) For longitudinal strip tests, a deduction from the basic

minimum

CHEMICAL REQUIREMENTS FOR FERRITIC STEEL

Composition, %

Carbon

Manganese

Phosphorus, Max.

Sulfur, Max

Silicon

Chromium

Molybdenum

Titanium

Vanadium, Min.

Other Elements

T2 [ Note ( 1) ]

0.10~0.20

0.30~0.61

0.025

0.10~0.30

0.50~0.81

0.44~0.65

.

.

.

T5

0.15 max.

0.30~0.60

0.50 max.

4.00~6.00

0.45~0.65

.

.

.

T5b

1.00~2.00

T5c

0.12 max.

[ Note ( 1) ]

T9

0.25~1.00

8.00~10.00

0.90~1.10

T11

0.05 min.

~0.15 max.

0.50~1.00

1.00~1.50

0.44~0.65

T12 [ Note ( 1) ]

0.80~1.25

T17

0.15~0.25

0.15~0.35

T21

0.30~0.60

2.65~3.35

0.80~1.06

T22

1.90~2.60

0.87~1.13

0.04~0.10

0.10~0.60

0.03

0.01

0.05~0.30

0.20~0.30

W 1.45~1.75

Cb 0.02~0.08

B 0.0005~0.006

N 0.030 max.

Al 0.030 max.

0.08~0.12

0.02

0.20~0.50

8.00~9.50

0.85~1.05

0.18~0.25

Cb 0.06~0.1

N 0.030~0.070

Ni 0.40 max.

Al 0.04 max.

0.07~0.13

8.50~9.50

W 1.5~2.00

Cb 0.04~0.09

B 0.001~0.006

N 0.03~0.07

0.07~0.14

0.70 max.

10.00~12.50

0.25~0.60

0.15~0.30

W 1.50~2.50

Cu 0.30~1.70

Cb 0.04~0.10

B 0.0005~0.005

N 0.040~0.100

Ni 0.50 max.

Al 0.040 max.

0.025 max.

1.00 max.

0.04

17.5~19.5

1.75~2.50

[ Note ( 3) ]

N max.

0.035

Ni + Cu max.

1.00

( 1) It is permissible to order T2 and T12 with 0.045 max.

Sulfur.

( 2) Grade T5c shall have a titanium content of not less than

four times the carbon content and not more than 0.70% .

( 3) Grade 18Cr- 2Mo shall have Ti + Cb p 0.20 + 4 ( C + N)

min.

, 0.80 max.

Company Contact:

• Posted By: Ningbo Junfun International Trade Co.,Ltd

• Phone: 8605748200788

• Address: B-2320, ShiJi Plaza,Daliang Street No.118,Haishu D, Ningbo , China

• Email:

• Business Description: Junfun is an available Chinese supplier located in Ningbo city.
  
  We focus
  
  on steelfiled, under the brand name of "Junfun", including seamless
  
  steel pipe, welded steel pipe, ball valve, butterfly valve, flange,
  
  elbow, tee, etc., which are used in industries like petrol,
  
  chemical, pharmaceuticals, environmental protection, food&water,
  
  conservancy, shipbuilding, automobile, aerospace, pressure vessels,
  
  mechanical processing, etc.
  
  Professional and experienced workers, strict
  
  supply chain management ensures the fulfillment of clients'
  
  requirements.
  
  
  
  From the raw material to finished products, we insist on recording each
  
  step of production situation and test, which can track the quality
  
  problem.
  
  Welcome inquiry, welcome cooperation.