JIS G3458 Alloy Steel Pipes

JIS G3458

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JIS G3458

JIS G3458 Grade STPA 12/20/22/23/24/25/26 Specification Covers Alloy Steel Pipes. Mechanical properties of this steel grades can be varied greatly by heat treating. Through a controlled cycle of heating and cooling, certain desired properties are obtained by producing predictable changes in the microstructure of the steel.

Symbol of

Molybdenum steel pipe

STPA 12

Chrome-molybdenum steel pipe

STPA 20

STPA 22

STPA 23

STPA 24

STPA 25

STPA 26

KS

ASTM

JIS

DIN

BS

Standard number

GRADE

Standard number

GRADE

Standard number

GRADE

Standard number

GRADE

Standard number

GRADE

D 3573

SPA 12

A335

P 1

G-3458

STPA12

17 175

15Mo3

SPA 20

P 2

STPA20

3604

HFS660 
CFS660 
ERW660 
CEW660

SPA 22

P 12

STPA22

17 175

13Cr Mo44

HFS620-460 
      620-440 
CFS620-460 
      620-440 
ERW620-460 
      620-440 
CEW620-460 
      620-440

SPA 23

P 11

STPA23

HFS621 
CFS621 
ERW621 
CEW621

SPA 24

P 22

STPA24

17 175

10Cr Mo910

HFS622 
CFS622

SPA 25

P 5

STPA25

HFS625 
CFS625

SPA 26

P 9

STPA26

 

 

 

P 5b

 

 

 

 

 

 

 

 

 

P 5c

 

 

 

 

 

 

 

 

 

P 15

 

 

 

 

 

 

 

 

 

P 91