Thin Wall Round DIN 1626 DIN 2448 DIN 1629 Seamless Steel Tubes Hot Rolled , 6mm - 350mm

Commodity Specification

DIN1626 / ST52.4 / ST42.2

DIN1629 / St45-4,St52,St35,St37,St44

DIN 2448 / EN 10217 / BS 1387

Process?Method:

Cold draw or Hot rolled

Surface Finish:

Oiled or black painted to prevent rust.

Size:

a)?NPS:1/8-20

b)?Schedule: sch20,sch30,sch40,STD,sch80

c)?OD: 6 mm ~ 350 mm

d)?WT: 0.8 mm ~30 mm

OD Tollerance:

D≤48.3mm,±0.4mm/-0.79mm,D48.3-114.3mm, ±0.79%,D≥114.3mm ±1.59/-

0.79mm

WT Tollerance:

WT ±12.5%

Chemail:

C0.3% , Si≥0.1%,Mn:.29-1.06%, P≤0.035%,S≤0.035%,

Cu<0.4%,,Cr<0.4%,Mo:0.15%,V:0.08%

Tenslle Strength:

415MPA

Yield Point:

240 MPA

Length:

5.8-12m or above

Ends:

Beveled or square cut plastic caped.

Delivery:

FOB/CIF/CFR

Delivery Time:

According to the customers’ request.

Application Range:

Petroleum,chemical,power,gas,water,metallurgy,shipbuilding,construction,etc.

Others

a) Special design available according to requirement.

b) Anti-corrosion and high-temperature resistant with black painting.

Standard

Grade

Chemical?Composition(%)(max)

C

Si

Mn

P

S

Cr

DIN1629

St37.0

0.17

/

/

0.04

0.04

/

St44.0

0.21

/

/

0.04

0.04

/

St52.0

0.22

0.55

1.7

0.04

0.04

/

Standard

Grade

Mechanical?Properties

TS?(Mpa)

YS(Mpa)

Elongation(%)

DIN1629

St37.0

350-480

235min