图片名称

JIS G3461

JIS G3461 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum industries. However, it is no applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service

Specification：

OD: 15.9mm ~ 139.8mm

WT: 1.24mm-59.54mm, SCH5~SCH160,XXS

Length: 5-12m or as customer required

Application: Hydraulic system pipeline pipe,Gas and Fluid Transportation, Mechanical Pipeline, power plant, etc.

Supplementary Technology: Plain or threaded with socket, beveled with plastic caps, hydraulic testing, eddy current, Infrared test.

Surface: Bare,black painted,varnished,oiled, 2PE, 3PE

Delivery state: Hot Rolled, Cold Drawn

Steel Grade: STB 340, STB 410, STB 510

Chemical Composition

JIS G3461

Traditional symbol

C

Si

Mn

P

S

STB 340

STB 35

0.18 max

0.35 max

0.30 to 0.60

0.035 max

0.035 max

STB 410

STB 42

0.32 max

0.35 max

0.30 to 0.80

0.035 max

0.035 max

STB 510

STB 52

0.25 max

0.35 max

1.00 to 1.50

0.035 max

0.035 max

Mechanical Property

JIS G3461

Tensile strength N/mm2

Yield point or proof stress N/mm2

Elongation %

Hardness

Outside diameter under 10 mm

Outer diameter 10 mm or over to and excl. 20 mm

Outer diameter 20mm or over

No. 11 test piece

No. 11 test piece

No. 11 test piece No. 12 test piece

STB 340

340 min

175 min

27 min

30 min

35 min

77max

STB 410

410 min

255 min

17 min

20 min

25 min

79max

STB 510

510 min

295 min

17 min

20 min

25 min

92max

Equivalent steel grade

JIS G3461

ASTM

ASME

BS

DIN

ISO

ABS

NK

LRS

DNV

STB 340

A178

SA178 A

3059-P1 320

17175 st 35.8

 

ABS D

KSTB 33

Sec 6 320

Sec 4-E-TS360

STB 410

A178 C

SA178 C

3059-P2 440

17175 st 45.8

 

ABS F

KSTB 42

Sec 6 410

Sec 4-E-TS410-1

STB 510

 

 

 

17175 19Mn 5

 

 

 

 

Sec 4-E-TS510

MESSAGE

Submit