Huaqiang

JIS G3444

JIS G3444 is the standard of carbon steel tubes for general structural purposes

Product Name

Standard

Grade

OD

WT

Length

Usage

STRUCTURAL PIPES,PILING PIPE

JIS G3444

Gr.A , Gr.B
GR 1, GR 2, GR 3
S235JR,S275JR, S355JR, S355JOH,S355J2H
P195TR,P235TR,P265TR
STK400, STK490
C250 , C350,C450

33.4-660mm

2.1-22mm

0.8-18m

Gas, heating, water Transportation, construction,
mechanical application, aviation, offshore platform etc

Application: Seamless Steel Oil Well, Casing, Tubing and Drill Pipe

 

JIS G3444

 

STK 290
STK 400
STK 500
STK 490
STK 540

STK 30
STK 41
STK 51
STK 50
STK 55
 

 

KS

ASTM

JIS

DIN

BS

 

GRADE

 

GRADE

 

GRADE

 

GRADE

 

GRADE

D 3566

SPS 290
SPS 30

A500

GrA

G-3444

STK290
(STK30)

–

–

6323

HFW2

SPS 400
SPS 41

A252
A500
A501

Gr 2
Gr A
–

STK400
(STK41)

–

–

6323

HFW4
RAW4
HFS4

SPS 500
SPS 51

A500

Gr C

STK500
(STK51)

–

–

–

–

SPS 490
SPS 50

–

–

STK490
(STK50)

–

–

6323

HFW5
HFS5
SAW5

SPS 540
SPS 55

A500

Gr C

STK540
(STK55)

–

–

–

–
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