Round steel pipe

Type

Typical grade

Specification

Delivery condition

Surface treatment

Application

Seamless steel tube for boiler

ASTM  A178  Grade A
ASTM  A178  Grade C
ASTM  A178  Grade D

ASTM A178/A178M

Annealing, normalizing,
normalizing + tempering
and other heat treatment states

Oil immersion, painting,
passivation, phosphating,
shot blasting, etc

High, medium and low pressure
boilers and pressure bearing

ASTM A192

ASTM A192/A192M

320 CFS,360, 440, 243,
620-460, 622-490,
S1, S2, TC1, TC2

BS3059

P195TR1/TR2,
P235TR1/TR2,
P265TR1/TR2,
P195GH, P235GH,
P265GH, TC1, TC2

EN10216

ST35.8, ST45.8

DIN 17175

ST37.0, ST44.0, ST50.0

DIN 1629

STPG370, STPG410

JIS G3454

STB340, STB410, STB440

JIS G3461

Tubes for heat exchangers
and condensers

ASTM A179

ASTM A179/A179M

Heat exchanger, condenser, superheater
or similar heat transfer equipment

Oil casing, oil pipeline pipe

PSL1  L175/A25,
L210/A, L245/B,
L290/X42, L320/X46,
L360/X52, L485/X70
PSL2  L245R/BR,
L290N/X42N,
L320N/X46N,
L360N/X52N, L415/X60N

API  5L

Pipelines for gas, water and oil transmission in the petroleum and
natural gas industry Petroleum and
natural gas industries steel pipes for
casing or tubing of oil and gas wells

PSL1, PSL2, PSL3,
H40, J55, K55, N80

API  5CT

Seamless steel pipe for
fluid transportation

A106 Grade A,B,C

ASTM A106/A106M

For conveying fluid

A53 Grade A,B

ASTM A53/A53M

Precision seamless steel pipe
for machinery and automobile

St35，St45，St52

DIN2391

Automobile half shaft sleeve and
drive axle housing shaft tube
Processing and manufacturing of
precision equipment, instruments
and structural parts

1010, 1020, 1025, 1035, 1045

ASTM A519

1010, 1020, 1025, 1035, 1040

ASTM A513

CFS，CFS3A，CFS4-11

BS6323

E215，E235，E355

EN10305-1

SCM415TK， SCM 430 TK,
SCM 440 TK

JIS G 3441

Shipbuilding pipe

320、360、410、460、490

DNV-GL,LR,ABS,
BV,RINA,NK

It is used for manufacturing seamless
steel pipes for marine boilers, superheaters
and class I and II pressure pipe systems

Alloy material tube

T11, T12, T22, T5, T9

ASTM A213/A213M,

Boilers, superheaters and heat exchangers

P11, P12, P22, P5,
P9ASTM A335/A335M

T11, T22, T5

ASTM A199/A199M

T1, T1a, T1b

ASTM A209/A209M

10CrMo5-5, 11CrMo9-10,
X11CrMo5+1, TC1, TC2

EN10216-2

STBA 12, STBA13, STBA24

JIS G3462

Internally threaded pipe

SA210

ASME SA210/SA210M

Cold drawing, normalizing
or normalizing plus tempering

Boiler, chemical industry, electric power
and other industries are applied to the
water wall of subcritical and supercritical
boilers above 300000 kW

SA213

ASME SA213/SA213M