用途 

日本

美国

德国

中国

锅炉、热交换器用碳素钢钢管

JIS G3461

STB340
(STB35)

ASTM A179
A192

DIN 17175 ST35.8

GB6479 10#

STB410
(STB42)

ASTM A178 C
A210 A1

DIN 17175 ST45.8

GB5310 20G
GB6479 20G

STB510

ASTM A210 C

DIN 17175 19Mn5

锅炉、热交换器用合金管

JIS G3462

STBA20

ASTM A213 T2

GB9948 GB5310 GB6479 12CrMo

STBA22

ASTM A213 T12

DIN 17175 13CrMo44

GB9948 GB5310 GB6479 15CrMo

STBA23

ASTM A213 T11
A199 T11

STBA24

ASTM A213 T22
A199 T22

DIN 17175 10CrMo910

GB5310 12Cr2Mo
GB6479 12Cr2Mo

STBA25

ASTM A213 T5
A199 T5

DIN 17175 12CrMo195

GB9948 1Cr5Mo
GB6479 1Cr5Mo

STBA26

ASTM A213 T9
A199 T9

DIN 17175 X12CrMo91