欧一美一性一交一乱一性一_中文字幕制服丝袜_日韩精品69久久久久久_性爱av一区二区_黄色一级在线国产a级片_麻豆AV无码欧美怡红院_午夜精品久久久久久久_最黄日韩电影久久草在线播放

用途

日本

美國

德國

中國

鍋爐、熱交換器用碳素鋼鋼管

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

鍋爐、熱交換器用合金管管

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

加熱爐用鋼管

JIS G3467

STFA410

GB9948 20#

STFA23

ASTM A200 T11

STFA24

ASTM A200 T22

STFA25

ASTM A200 T5

GB9948 1Cr5Mo

STFA26

ASTM A200 T9

壓力管通用碳素鋼管

JIS G3454

STPG370
(STPG38)

ASTM A53A

DIN 1629 ST35

GB8163 10#

STPG410
(STPG42)

ASTM A53B

DIN 1629 ST45

GB8163 20#

高溫管通用碳素鋼鋼管

JIS G3456

STPT370
(STPT38)

ASTM A106A

DIN 17175 ST35.8

GB6479 10#
GB9948 10#

STPT410
(STPT42)

ASTM A106B

DIN 17175 ST45.8

GB5310 20G
GB6479 20G

STPT480
(STPT49)

ASTM A106C

管道用合金鋼鋼管

JIS G3458

STPA20

ASTM A335 P2

GB9948 GB6479 12CrMo

STPA22

ASTM A335 P12

DIN 17175 13CrMo44

GB9948 15CrMo

STPA23

ASTM A335 P11

STPA24

ASTM A335 P22

DIN 17175 10CrMo910

GB5310 12Cr2Mo
GB6479 12Cr2Mo

STPA25

ASTM A335 P5

DIN 17175 12CrMo195

GB9948 GB6479 1Cr5Mo

STPA26

ASTM A335 P9

DIN 17175 X12CrMo91