A691 CMSH70 Alloy Steel EFW Pipe
A691 CMSH70 Alloy Steel EFW Pipe Description
A691 CMSH70 alloy welded pipe is a specific standard electric fusion welded steel pipe suitable for low temperature pressure vessels (such as LNG storage tanks) or medium temperature environment, made of carbon manganese silicon alloy steel, with excellent mechanical properties and corrosion resistance.
A691 CMSH70 Alloy Steel EFW Pipe specification
|
Brand Name |
GNEE |
|
Product name |
Alloy Steel Welded Pipe |
|
Application |
Fluid Pipe, Boiler Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other |
|
Alloy Or Not |
Is Alloy |
|
Section Shape |
Round |
|
OD |
6mm - 273mm |
|
Thickness |
0.25-75mm |
|
Certificate |
CE, ISO9001 |
|
Grade |
CM65, CM70, CM75, CMSH70, 1CR, 3CR, 5CR,etc. |
|
Surface Treatment |
Hot rolled/Cold rolled |
|
Tolerance |
±1% |
|
Delivery Time |
15-21 days |
|
Wall Thickness |
≥75mm |
|
Surface |
Customers't Requirement |
|
Payment terms |
L/C T/T (30%DEPOSIT) |
|
Packing |
Standard Sea-worthy Packing |
Plates and standards used for steel pipes
| Steel pipe grade | Steel Type | Plate Standard ASTM | Steel plate grade |
Hardness HB max |
| CMSH-70 | Carbon manganese silicon steel, normalized | A537/A537M | Grade 1 |
- |
• Hardness value suitable for S3
Heat treatment parameters
|
Steel Pipe Grade |
ASTM Standard |
Post-weld heat treatment Temperature (stress relief) °F (°C) |
Normalizing temperature max Unless otherwise specified °F (°C) |
Quenching temperature max Except otherwise specified °F (°C) |
Tempering temperature min °F (°C) |
| CMSH-70 | A537/A537M |
1100～1200 (590～650) |
1700 (925) |
- |
- |
Category number, heat treatment and inspection items
| Class | Heat treatment of steel pipe | 射线检验 | 水压试验 |
| 10 | non | non | non |
| 11 | non | 9 | non |
| 12 | non | 9 | 8.3 |
| 13 | non | non | 8.3 |
| 20 | Stress relief, see 5.3.1 | non | non |
| 21 | Stress relief, see 5.3.1 | 9 | non |
| 22 | Stress relief, see 5.3.1 | 9 | 8.3 |
| 23 | Stress relief, see 5.3.1 | non | 8.3 |
| 30 | Normalizing, see 5.3.2 | non | non |
| 31 | Normalizing, see 5.3.2 | 9 | non |
| 32 | Normalizing, see 5.3.2 | 9 | 8.3 |
| 33 | Normalizing, see 5.3.2 | non | 8.3 |
| 40 | Normalizing and tempering, see 5.3.3 | non | non |
| 41 | Normalizing and tempering, see 5.3.3 | 9 | non |
| 42 | Normalizing and tempering, see 5.3.3 | 9 | 8.3 |
| 43 | Normalizing and tempering, see 5.3.3 | non | 8.3 |
| 50 | Quenching and tempering, see 5.3.4 | non | non |
| 51 | Quenching and tempering, see 5.3.4 | 9 | non |
| 52 | Quenching and tempering, see 5.3.4 | 9 | 8.3 |
| 53 | Quenching and tempering, see 5.3.4 | non | 8.3 |
A691 CMSH70 alloy steel pipe In stock
Hot Tags: a691 cmsh70 alloy steel efw pipe, China a691 cmsh70 alloy steel efw pipe manufacturers, suppliers, EFW welded pipe, Electrofusion Gas Carbon Pipe, ERW welded pipe, Pipe Fusion Welding, Seamless Pipe, Submerged Arc Welding
You Might Also Like
Send Inquiry