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锅炉及换热器用钢管
Boil and exchange steel tube


JIS G3461,G3462
PIPE ASTM A 192
ASTM A 192M High-pressure Steel Boiler Tube

锅炉及换热器用钢管 标准:
JIS G3461----日本工业标准
JIS G3462----日本工业标准

用途:
用于锅炉水管、烟管、过热器管、空气预热管等。

主要钢级牌号:
STB340、STB410、STBA22、STBA23等。
经协商,也可供应其它牌号的钢管。

机械性能:
标  准

牌  号

抗拉强度(MPa)

屈服强度(MPa)

伸长率(%)

JIS G3461

STB340

≥340

≥175

≥35

STB410

≥410

≥255

≥25

JIS G3462

STBA22

≥415

≥210

≥30

STBA23

≥415

≥210

≥30

化学成分:
标  准

牌 号

化  学  成  分

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

JIS G3461

STB340

≤0.18

≤0.3

0.30~0.60

≤0.035

≤0.035

/

/

/

/

/

STB410

≤0.32

≤0.35

0.30~0.80

≤0.035

≤0.035

/

/

/

/

/

JIS G3462

STBA22

≤0.15

≤0.50

0.30~0.60

≤0.035

≤0.035

0.80~1.25

0.45~0.65

/

/

/

STBA23

≤0.15

0.50~1.00

0.30~0.60

≤0.030

≤0.030

1.00~1.50

0.45~0.65

/

/

/

Remarks 备注:
HR:hot rolled CW:cold worked 冷拔 SR:stress relieved 去除应力
A:annealed 退火 N:normalized 正火 HF:热轧



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