JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn

JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn

Product Details:

Place of Origin: CHINA
Brand Name: Joyruns
Certification: ISO9001
Model Number: 6MM TO 114.3MM

Payment & Shipping Terms:

Minimum Order Quantity: 5TONS
Packaging Details: Wooden box, plastic packing
Delivery Time: 20--30days
Payment Terms: L/C, T/T
Supply Ability: 3000TONS/Month
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Detail Information

Specifications: JIS 3462 Material: STBA22, STBA23
Technique: Cold Drawn, Cold Rolled Surface: Black Painted, Oiling, Pickled, Varnish
Thickness: 1mm To 25mm Treatment: Solution And Aging, Annealing, Ausaging, Q+T,etc
High Light:

STHA22 Heat Exchanger Steel Tube

,

JIS G3462 Heat Exchanger Steel Tube

,

STHA22 Heat Exchanger Steel pipe

Product Description

JIS G3462 STHA22 Alloy steel boiler and heat exchanger tubes

We also offer steel fabrication service where steel plates can go through processings like cutting, welding, bending, machining, pre-coating, pre-lined, beveling, or as you require. Our steel mills have fabricated employees that have 5-10 years of working experience. If you are interested in buying JIS G3461 steel tube products, contact us now for the latest price or check the following table for equivalent steel grade of JIS G3462.

JIS G3462 specifies the alloy boiler steel tubes used for exchanging heat on the inside and outside of the tube, with 8 steel grades from STBA12-STBA26, it has the similar application as JIS G3461, steel tube of this specification could be supplied as U tube. However, it is not applicable to the steel tubes for heating furnaces and those for heat exchangers of low-temperature service. For final product, heat treatment of the bent portion is not usually performed. However, if there is a request from the orderer, agreement on heat treatment. Joyruns is an experienced boiler and pressure steel tube supplier which can offer you JIS G3462 steel tubes of all grade and dimension range.

 

JIS G3462 STHA22 Chemical Composition:

JIS G3462 Grade C≤ Si≤ Mn≤ P≤ S≤ Cr Mo
STBA 12 0.10 ~0.20 0.10~0.50 0.30~0.80 0.035 0.035 - 0.45~0.65
STBA 13 0.15~0.25 0.10~0.50 0.30~0.80 0.035 0.035 - 0.45~0.65
STBA 20 0.10 ~0.20 0.10~0.50 0.30~0.60 0.035 0.035 0.050~0.080 0.45~0.65
STBA 22 0.15 0.50 0.30~0.60 0.035 0.035 0.80~1.25 0.45~0.65
STBA 23 0.15 0.50~1.00 0.30~0.60 0.030 0.030 1.00~1.50 0.45~0.65
STBA 24 0.15 0.50 0.30~0.60 0.030 0.030 1.90~2.60 0.87~1.13
STBA 25 0.15 0.50 0.30~0.60 0.030 0.030 4.00~6.00 0.45~0.65
STBA 26 0.15 0.25~1.00 0.30~0.60 0.030 0.030 8.00~10.00 0.90~1.10

 

JIS G3462 Mechanical Property:

JIS G3462 Grade Tensile Property (N/mm2) Yield Point or Yield Strength (N/mm2) Elongation (%)
OD ≥ 20 mm 10 mm ≤ OD <20 mm OD <10 mm
NO. 12 Sample NO. 11 Sample NO. 11 Sample
Longitudinal Transverse Transverse
STBA12 ≥ 382 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA13 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA20 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA22 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA23 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA24 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA25 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22
STBA26 ≥ 412 ≥ 206 ≥ 30 ≥ 25 ≥ 22

 

JIS G3462 Equivalent Steel Grade:

KS

ASTM

JIS

DIN

BS

Grade number

GRADE

Grade number

GRADE

Grade number

GRADE

Grade number

GRADE

Grade number

D 3572

STHA12

A161
A209

T1
T1

G 3462

STBA12

17175

15Mo 3

-

STHA13

A209

T1a

STBA13

-

-

-

-

STHA20

A213

T2

STBA20

-

-

-

-

STHA22

A213

T12

STBA22

17175

13Cr Mo 44

3059

S1 620
S2 620
ERW620
CEW620

STHA23

A199
A200
A213

T11
T11
T11

STBA23

-

-

-

-

STHA24

A199
A200
A213

T22
T22
T22

STBA24

17175

10Cr Mo910

3059

S1 622-440
S2 622-440

STHA25

A199
A200
A210

T5
T5
T5

STBA25

-

-

-

-

STHA26

A199
A200
A213

T9
T9
T9

STBA26

-

-

-

-

 

JIS G3462 Heat treatment:

Symbol of class

JIS G3462 Heat treatment

STBA 12
STBA 13

Low temperature annealing, isothermal annealing, full annealing, normalizing or normalizing followed by tempering

STBA 20
STBA 22

Low temperature annealing, isothermal annealing, full annealing, normalizing or normalizing followed by tempering

STBA 23
STBA 24
STBA 25
STBA 26

Isothermal annealing, full annealing or normalizing followed by tempering

JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn 0JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn 1

JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn 2

 

JIS G3462 STHA22 Alloy Heat Exchanger Steel Tube Cold Drawn 3

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