ASTMA554焊接不锈钢管化学成分

本文介绍ASTMA554焊接不锈钢管化学成分

ASTMA554焊接不锈钢管化学成分本文简介：ASTMA554-88a/ASMESA554WELDEDSTAINLESSSTEELMECHANICALTUBING(ASTMA554-88a/ASMESA554/ASTMA554-88a/ASME-SA554)ASTMA554-88a/ASMESA554WELDEDSTAINLESSSTEELME

ASTMA554焊接不锈钢管化学成分本文内容：

ASTM

A554-88a/ASME

SA554

WELDED

STAINLESS

STEEL

MECHANICAL

TUBING

(ASTM

A

554

-

88

a

/

ASME

SA

554

/ASTMA554-88a/ASME-SA554)

ASTM

A554-88a/ASME

SA554

WELDED

STAINLESS

STEEL

MECHANICAL

TUBING

(ASTM

A

554

-

88

a

/

ASME

SA

554

/ASTMA554-88a/ASME-SA554)

焊接不锈钢管机械

1.

Scope

1.1

This

specification

covers

welded

stainless

steel

tubing

for

mechanical

applications

where

appearance,mechanical

properties,or

corrosion

resistance

is

needed.

The

grades

covered

are

listed

in

Talbe

1.

1.2

This

specification

covers

as-welded

or

cold-reduced

mechanical

tubing

in

sizes

to

16

in.

(406.4mm)

outside

diameter,inclusive(for

round

tubing)and

in

wall

thicknesses

0.020in.(0.51mm)and

over.

1.3

Tubes

shall

be

furnished

in

one

of

the

following

shapes

as

specified

by

the

purchaser:

round,square,rectangular,or

special.

1.4

Supplementary

requirements

of

an

optional

nature

are

provided

and

when

desired

shall

be

so

stated

in

the

order.

1.5

The

values

stated

in

inch-pound

units

are

to

be

regarded

as

the

standard.

Chemical

composition

1

。范围

1.1本规范包括焊接不锈钢管的机械应用场合露面，力学性能，耐腐蚀性或是必要的。涵盖的职系中列出Talbe

1

。

1.2本规范涉及的焊接或冷减少机械油管尺寸16英寸（

406.4毫米）外径，包容性（圆形管）和管壁厚度0.020in

（

0.51毫米）及以上。

1.3管须提交下列其中一个形状所指明的买主：圆形，正方形，长方形或特殊。

1.4补充要求的任择性质提供了理想时，须在该命令。值1.5英寸指出磅的单位被视为标准。

化学成分

Chemical

composition(%)

C

Si

Mn

P

S

Ni

Cr

Mo

Others

MT301

E,AT

0.15Max

1.00Max

2.00Max

0.040Max

0.030Max

6.0~8.0

16.0~18.0

-

-

MT302

E,AT

0.15Max

1.00Max

2.00Max

0.040Max

0.030Max

8.0~10.0

17.0~19.0

-

-

MT304

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

8.0~11.0

18.0~20.0

-

-

MT304L

E,AT

0.035Max

1.00Max

2.00Max

0.040Max

0.030Max

8.0~13.0

18.0~20.0

-

-

MT305

E,AT

0.12Max

1.00Max

2.00Max

0.040Max

0.030Max

10.0~13.0

17.0~19.0

-

-

MT309S

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

12.0~15.0

22.0~24.0

-

-

MT309SCb

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

12.0~15.0

22.0~24.0

-

Nb+Ta

:

10??C~1.00

MT310S

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

19.0~22.0

24.0~26.0

2.0~3.0

-

MT316

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

11.0~14.0

16.0~18.0

2.0~3.0

-

MT316L

E,AT

0.035Max

1.00Max

2.00Max

0.040Max

0.030Max

10.0~15.0

16.0~18.0

2.0~3.0

-

MT317

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

11.0~14.0

18.0~20.0

-

-

MT321

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

9.0~13.0

17.0~20.0

-

Ti

:

5??C~0.60

MT330

E,AT

0.15Max

1.00Max

2.00Max

0.040Max

0.030Max

33.0~36.0

14.0~16.0

-

Nb+Ta

:

10??C~1.00

MT347

E,AT

0.08Max

1.00Max

2.00Max

0.040Max

0.030Max

9.0~13.0

17.0~20.0

-

-

MT429

E,AT

0.12Max

1.00Max

1.00Max

0.040Max

0.030Max

0.50Max

14.0~13.0

-

-

MT430

E,AT

0.12Max

1.00Max

1.00Max

0.040Max

0.030Max

0.50Max

16.0~18.0

-

Ti

:

5??C~0.75

MT430Ti

E,AT

0.10Max

1.00Max

1.00Max

0.040Max

0.030Max

0.075Max

16.0~19.5

-

-

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