cold rolled mechanical properties of aisi st37.4 steel tube

Production Name

Brand

Xin Peng

Size

OD

30~250mm

W.T

0.5~18mm

Length

According to the customer’s need

Steel Material

10#~45#,st35~st52,16Mn,Q345

Standard

DIN2391, DIN2445, EN10305, GB/T 3639, GB 8713

Technique

Hot rolled / Cold Drawn /Polished,/cold rolled/honing/SRB

Inspection

ISO90012008

Package

1. Bundle packing.

2. Beveled end or plain end or varnished as per buyer's request

3. Marking: as per customer's requests.

4. Painting varnish coating on the pipe.

5. Plastic caps at ends.

Material

C

Si

Mn

S(≤)

P(≤)

Cr

Ni

Mo

C20#

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.30

CK45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.30

Q345B

≤0.20

≤0.55

1.00-1.60

0.040

0.040

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

ST52

E355

16Mn

≤0.20

≤0.55

1.00-1.60

0.045

0.045

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

25Mn

0.22-0.30

0.17-0.37

0.70-1.00

0.035

0.035

≤0.25

≤0.25

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.030

0.030

42SiMn

0.39-0.45

1.10-1.40

1.10-1.40

0.030

0.030

42CrMo

0.38-0.45

0.17-0.37

0.50-0.80

0.025

0.025

0.90-1.20

0.15-0.25

ID size

ID deviation (mm)

H7

H8

H9

H10

30

+0.021

0

+0.033

0

+0.052

0

+0.084

0

>30~50

+0.025

0

+0.039

0

+0.062

0

+0.100

0

>50~80

+0.030

0

+0.046

0

+0.074

0

+0.120

0

>80~120

+0.035

0

+0.054

0

+0.087

0

+0.140

0

>120~180

+0.040

0

+0.063

0

+0.100

0

+0.160

0

>180~250

+0.046

0

+0.072

0

+0.115

0

+0.185

0

>250~315

+0.052

0

+0.081

0

+0.130

0

+0.210

0

>315~400

+0.0527

0

+0.089

0

+0.140

0

GB/T 8162-2008 Seamless Steel Tubes For Structural Purposes

GB/T 8163-2008 Seamless Steel Tubes For Liquid Service

ASTM A53  It is used for conveying water,petrolem,gas and other common fluids.

ASTM A106 For the purpose of the pipeline project of boiler,water&petroleum.

API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry.

API SPEC 5CT Tubing is used in extracting petroleum & natural gas. casing pipe serves as wall of well.

ASTM A519 Seamless carbon and alloy steel mechanical tubing

A 179/A179M cold drawn low carbon steel heat exchanger and condenser tubes

ASTM A192/A192M for manufacturer wall panel,economizer,reheater,super heater,and the steam pipeline of boilers

DIN 1629 applies to seamless circulal tubes and pipes made of unalloyed steels

DIN17175 Cold Drawn Seamless Tube For Boiler And Heat Exchanger

DIN2391 Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure