Seamless High Pressure Heavy Wall Steel Tubing 300mm Large Diameter ST37 15Mo3

Product Description

TORICH Seamless Carbon Mild 300mm Large Diameter ST37 15Mo3 High PressureC45 Heavy Thick Wall Steel Pipe

Outside Diameter: 20 – 300 mm

Wall Thickness: 5– 25 mm

Tolerances:
OD:
D 5 – 10 mm: ± 0.15 mm
D 11 – 30 mm: ± 0.30 mm
D 32 – 50 mm: ± 0.40 mm
D 51 – 140 mm: ± 0.8%
WT:
S 0.4 – 1 mm: ± 0.12 mm
S 1.2 – 5 mm: ± 10%
S 5.5 – 12 mm: ± 8%

Notes:
1. Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo acc. to GOST 1050-88, GOST 19281-89, GOST 4543-71. Others steel grades are available subject to agreement.
2. Dimensions and tolerances acc. to GOST 8734-75.
3. Technical requirements acc. to GOST 8733-74.
4. Length from 1.5 to 11.5 m depending on diameter and wall thickness.

Chemical Composition:

Mechanical Properties: