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MECHANICAL TUBES

Documents

1. Standards

  • DIN 1629 (has been partially replaced by EN 10297-1);
  • DIN 1630 (has been partially replaced by EN 10297-1);
  • DIN 17124 (has been partially replaced by EN 10297-1);
  • DIN 17204 (has been partially replaced by EN 10297-1);
  • DIN 17121 (has been replaced with EN 10210);
  • EN 10297-1;
  • EN 10210-1, 2;
  • EN 10216-1, 3;
  • ASTM A519;
  • ASTM A105.

2. Used for

  • Mechanical application;
  • General engineering purposes.

3. Dimensions

  • Hot or Cold rolled tubes acc. DIN 2448 or EN 10297-1 or EN 10210-2 or ASME B36.10M in dimensional range corresponding to the workshop CPE (Tab.1) or ASSEL (Tab.2 and Tab.3) or Cold rolling and drawing (Tab.4);
  • Cold rolled tubes for machining acc. ISO 2938 (Tab.5);
  • Hot rolled tubes for machining acc. ISO 2938 (Tab.6);
  • Quenching and tempering dimensional range (Tab.7).

4. Tolerances

Standard Outside Diameter Tolerances Wall Thickness Tolerances Weight
DIN 1629, DIN 1630

OD≤130

 

130<OD≤244.5

 ±1% (but ± 0.5mm is permitted)

WT≤ 2Sn

2Sn<WT≤4Sn WT>4Sn

+15/-10%

+12.5/-10%

±9%

+12/-8% for each tube

+10/-5% for lots over 10t

WT≤0.05OD

0.05OD <WT≤0.11OD

WT>0.11OD

+17.5/-12.5%

±12.5%

±10%
EN 10210-1,2 ±1% or ±0.5mm (which is higher) -10% +8% / -6%

EN 10297-1, EN 10216-1

 

 ±1% or ±0.5mm (which is higher)

 

 

 ±12.5% or ±0.4mm (which is higher) –
EN 10297-1 (S690G2QL1 , S770QL, S890QL1) OD =+ / – 0.8% WT = + / – 10 %
EN 10216-3- hot rolled ±1% or ±0.5mm (which is higher) ±12.5% or ±0.4mm (which is higher) –
EN 10216-3- cold rolled ±0.5% or ±0.3mm (which is higher)

±10% or ±0.2mm

(which is higher)

 –
Standard Outside Diameter Tolerances Wall Thickness Tolerances Weight

ASTM A519, hot

rolled

 OD<76.17 ±0.51 mm

WT<15

WT≥15

±12.5%

±10%

 –
76.2<OD<114.27 ±0.64 mm

WT<15

WT≥15

±10%

±7.5%
114.3<OD<152.37 ±0.79 mm
152.4<OD<190.47 ±0.94 mm

WT<15

WT≥15

±10%

±10%
190.5<OD<228.57 ±1.14 mm

ASTM A519, cold

rolled

 As agreed
Sn – Nominal wall thickness according to DIN 2448

5. Chemical Composition (%)

Steel group C Mn P S N Cr Si Mo Al Ni V Cu Nb Ti W
[%]

St37.0, St37.4, S235, P195, P235,

P275,  E235,  C10E,  C15E, 1010

 max.  0.17 max. 0.040 max. 0.040 max. 0.009
St44.0, St44.4, S275, P265, E 275, 1020 max. 0.21 max. 0.040 max. 0.040 max. 0.009
St52.0, St52.4, S355, E355,  P265, P355, Fe510, OL52.3,1022 max.  0.22 max. 1.70 max. 0.040 max. 0.035 max.  0.60

min.

0.020
C45, C35E, , 1035, 1045 max.  0.50

max.

0.9

 max. 0.040 max. 0.040 max.  0.40
16MnCr5

0.14-

0.19

1.0-

1.3

 max. 0.035 max. 0.035

0.8-

1.1

max.

0.4
4140, 42CrMo4

0.38-

0.43

0.75-

1.0

 max. 0.040 max. 0.040

0.8-

1.1

0.15-

0.30

0.15-

0.25
4130

0.28-

0.33

0.4-

0.6

 max. 0.040 max. 0.040

0.8-

1.1

0.15-

0.35

0.15-

0.25
20MnV6, E470

0.16-

0.22

1.3-

1.7

 max. 0.03 max. 0.035

max.

0.02

0.1-

0.50

min.

0.01
S690G2QL1

0.14-

0.18

1.20-

0.70

 max. 0.016 max. 0.005 max. 0.009

0.50-

0.80

0.20-

0.30

0.20-

0.40

 0.015-0.030

max.

0.25

 0.06-0.12

max.

0.25

max.

0.05

max.

0.05

 0.10-0.70
S770QL

0.14-

0.18

 1.40-1.70 max. 0.016 max. 0.005 max. 0.0090

0.50-

0.70

0.20-

0.30

0.20-

0.40

 0.020-0.030

0.20-

0.25

 0.06-0.12

max.

0.25

max.

0.05

max.

0.05
S890QL1

0.14-

0.21

max.

1.75

 max. 0.020 max. 0.010 max. 0.020

max.

1.10

0.10-

0.50

0.20-

0.80

 0.015-0.050

max.

1.70

max.

0.15

max.

0.35

max.

0.05

max.

0.05

max.

1.30

6. Mechanical Properties

Steel group Tensile Strength Yield Limit Elongation Impact test
[N/mm² ] [N/mm² ] min. [%] Average on three sample     min. [J]

St37.0, St37.4, S235, P195, P235, P275,

E235,   C10E,  C15E, 1010

 350÷480 min 235 25
St44.0, St44.4, S275, P265, E 275, 1020 420÷550 min 275 21

St52.0, St52.4, S355, E355, Tu52-b, P265,

P355, Fe510, OL52.3,1022

 500÷650 min 355 21
C45, C35E, 1035, 1045 min 580 min 305 16
16MnCr5 HB =max 207 (Delivery status: Annealed)
4140, 42CrMo4 HRB =max 85 (Delivery status: Annealed)
4130 HRB =max 81 (Delivery status: Annealed)
20MnV6, E470 min 600 min 430 17
S690G2QL1

WT≤40: 770-960

40<WT≤65: 700-880

 

WT≤40: min. 690

40<WT≤50: min. 650

50<WT≤65: min. 615

 

 16 long/14 transv.

at T=-60°C

WT≤20:  40 long/20 transv

20<WT≤40: 30 long/20 transv

40<WT≤65: 25 long.

 
S770QL

WT≤20:  820-1000

20<WT≤32:  770-980

32<WT≤40:   770-950

40<WT≤50:  720-950

WT≤20:  min. 770

20<WT≤25: min. 740

25<WT≤32: min. 720

32<WT≤40: min. 700

40<WT≤50: min. 670

 15 long/13 transv

at T=-60°C

WT≤20:  40 long/27 transv

20<WT≤65: 30 long/27 transv

 
S890QL1

12≤WT≤20: 960-1100

20<WT≤40: 920-1070

40<WT≤50: 870-1040

50<WT≤65: 870-1040

12≤WT≤20: min. 890

20<WT≤40: min. 850

40<WT≤50: min. 820

50<WT≤65: min. 800

 14 long/12 transv

at T=-45°C

12≤WT≤20: 45 long

20<WT≤65: 40 long

7. Lengths

  • Random lengths: 4÷12m (13.12÷39.7 ft) or Fixed lengths within the random length in length range corresponding to the workshop CPE (Tab.1) or ASSEL (Tab.2 and Tab.3) or Cold rolling and drawing (Tab.4).

8. Protection

  • Unprotected;
  • External varnished with black or clear lacquer;
  • If required, the tubes can be delivered with plastic caps at both ends.

9. Marking

  • According to standard or per customer request.

10. Delivery

Bundles up to:

  • 2000 kg (4400 lbs) – cold drawn tubes;
  • 4000 kg (8800 lbs) – hot rolled tubes.

Quantity tolerances: ±5% per size or / and per total.
The bundles will have one tag applied at each end, marked according to standard or at customer’s request.

11. Mill test report

  • Mill test reports are issued to customer requirements. Usually they comply with DIN 50049, EN 10204.

12. Quality certified

  • TUV-PED, AD; CE; DNV; RINA; ZUS, UHP