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SEAMLESS STEEL PIPE FOR LOW TEMPERATURE SERVICE

1. Standards

EN 10216-4, ASTM A333, ASTM A334

2. Used for

  • Low-temperature service.

3. Dimensions

According EN 10216-4 or ASME B36.10M in dimensional range corresponding to the workshop CPE (Tab.1) or ASSEL (Tab.2) or Cold rolling and drawing (Tab.3)

4. Tolerances

Standard Outside Diameter Wall Thickness
EN 10216-4, hot finished ±1.0%  or ±0.5mm (which is higher) ±12.5% or ±0.4mm (which is higher)
EN 10216-4, cold finished ±0.5%  or ±0.3mm (which is higher) ±10% or ±0.2 mm (which is higher)
ASTM A333

OD<=48.3; +0.4/-0.8mm

48.3<OD<=114.3; ±0.8mm

114.3<OD<=219.1; +1.6/-0.8mm

OD>219.1; +2.4/-0.8mm

+12.5%/-10%
ASTM A334 , hot finished

OD<=100; +0.4/-0.8mm

100<OD<=200; +0.4/-1.2mm 200<OD<=225; +0.4/-1.6mm

OD<=100 and WT<=2.4; +40%/0

OD<=100 and 2.4<WT<=3.8; +35%/0

OD<=100 and 3.8 <WT<=4.6; +33%/0

OD<=100 and WT>4.6; +28%/0

OD>100 and 2.4<WT<=3.8; +35%/0

OD>100 and 3.8 <WT<=4.6 ; +33%/0 OD>100 and WT>4.6; +28%/0

ASTM A334 , cold finished

OD<25; +0.1/-0.1mm

25<=OD<=40; +0.15/-0.15mm

40<OD<50; +0.2/-0.2mm

50<=OD<65; +0.25/-0.25mm

65<=OD<75; +0.3/-0.3mm

75<=OD<=100; +0.38/-0.38mm

100<OD<=200; +0.38/-0.64mm

200<OD<=225; +0.38/-1.14mm

OD<=38.1; +20%/0 OD>38.1; +22%/0

5. Chemical Composition (%)

Steel group

C

max

     Mn

    max

  Si

max

S max P max Cr max Cu max

Mo

max

Ni

max

Ti

max

V

max

P215NL 0.15 0.40÷1.20 0.35 0.020 0.025 0.30 0.30 0.08 0.30 0.04 0.02
P265NL 0.20 0.60÷1.40 0.40 0.020 0.025 0.30 0.30 0.08 0.30 0.04 0.02
Grade6 0.30 0.29÷1.06 Min.0.10 0.025 0.025

6. Mechanical Properties

Steel group Tensile Strength Yield Strength min. Elongation min. Min. impact energy
MPa MPa % J °C
P215NL 360÷480 215 25 40 -40
P265NL 410÷570 265 24 40 -40
Grade 6 min. 415 240 30 18 -45

7. Lengths

Random lengths or fixed lengths in length range corresponding to the -workshop CPE (Tab.1) or ASSEL (Tab.2) or Cold rolling and drawing (Tab. 3)

8. Protection

  • unprotected;
  • external varnished with black or clear lacquer;
  • if required, the plain end pipes can be delivered with plastic caps at both ends.

9. Marking

  • According to standard or per customer request.

10. Delivery

In bundles up to 4000 kg (8800 lbs) tied in minimum six places with steel strip.

Quantity tolerances: ±5% per size or / and per total.

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; DNV