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sa 333 seamless steel pipe
sa 333 seamless steel pipe

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sa 333 seamless steel pipe
1.Grade: 20#,45#,16Mn, 27SiMn,25Mn
2.Standard: DIN, GB
3.Diameter:50-300mm
4.Thickkness:2-50mm

sa 333 seamless steel pipe

Product variety

Processing mode

Diameter

Length

Linearity

Precision

Roughness of inner hole

Cold drawn

50-300

less than13.5M

  0.3-1.0

H8-H10

0.8-1.6

Honing

50-300

less than 13.5M

1000

H8-H9

0.4-0.8

Cutting Rolling

50-300

less than7.5M

H8

0.4

 Size tolerance

Inner diameter

 

warp of wall thickness

H8

H9

H10

50-80

+0.046
0

+0.074
0

+0.120
0

                           ±5%

80-120

+0.054
0

+0.087
0

+0.140
0

120-180

+0.063
0

+0.100
0

+0.160
0

180-250

+0.072
0

+0.115
0

+0.185
0

 250-300

+0.081
0

+0.130
0

+0.210
0

Product Name

Executive Standard

Specification Range

  (OD * WT)

Steel Kind / Steel Grade

German Standards

Cold drawn precision seamless steel tube

DIN2391/EN10305-1

50-300mm*2-50mm

St35/ St45/ St52

(E235/E255/E355)

Precision cold drawn welded steel tube

DIN2393/EN10305-2

50-300mm *2-50mm

St34.2/ St37.2/ St44.2/ St52.3 (E235/E355)

Seamless steel tubes for elevated temperature

DIN17175

50-300mm *2-50 mm

St35.8/ St45.8/ 17 Mn4

American Standards

Seamless carbon steel tubes for high temperature

ASTM A106

0.6-7.48in.*0.039-0.708in.

A/B/C

Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes

ASTM A179

1/2-3 in.

Low carbon steel

Seamless high-pressure carbon steel boiler tubes

ASTM A192

1/2-7 in.* 0.085-1.000in.

Low carbon steel

Seamless carbon and alloy steel for mechanical tubes

ASTM A519

0.6-7.48in.*0.039-0.708in.

Carbon steel / alloy steel

Electric resistance welded carbon and alloy steel mechanical cold drawn tubes

ASTM A513-5

0.6-7.48in.*0.039-0.47in.

Carbon steel / alloy steel

Japanese Standards

Seamless steel tube for boiler and heat exchanger

JIS G 3461

12.7-76.2mm

STB35/STB52/STB42

Carbon steel tubes for machine structural purpose

JIS G 3445

16-190mm*1-18mm

STKM11A/STKM12A

/STKM12B/STKM12C

/STKM13B/STKM13C

British Standards

Seamless and welded steel tubes for auto mechanical and general engineer purpose

BS6323

16-190mm*1-18mm

CFS6/CFS7

CFS8/CFS3

CFS4/CFS5

Seamless steel tube for boiler and superheater

BS3059

16-190mm*1-18mm

CFS320/CFS360

/CFS410

 

 

 

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