Custom 5.8m / 6m 10# 20# 45# 12CrMo Seamless Steel Tube GB6479
GB6479 Seamless Steel Tubes For High Pressure Chemical Fertilizer Equipments
Seamless Steel Tubes
Steel Grade/Steel Material:10#, 20#, 45#, 12CrMo
Steel pipe standard:GB6479
size:
OD:10.00—700mm
WT:1.00—60mm
Length: 5.8m, 6m,or as required.
Production Processs:
RAW MATERIAL
↓
INCOMING INSPECTION
↓
STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN
↓
ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING
↓
FINAL INSPECTION→BUNDING→STORAGE
| Standard | Grade | Chemical Composition (%) | |||||||
| C | Mn | Si | Mo | V | W | Nb | P.S | ||
| GB6479 | 20 | 0.17-0.24 | 0.35-0.65 | 0.17-0.37 | / | / | / | / | <=0.03 |
| 16Mn | 0.12-0.20 | 1.20-1.60 | 0.20-0.60 | / | / | / | / | <=0.03 | |
| 10 | 0.07-0.14 | 0.35-0.65 | 0.17-0.37 | / | / | / | / | <=0.03 | |
| 10MoWNb | 0.07-0.13 | 0.50-0.80 | 0.50-0.80 | / | / | / | / | <=0.03 | |
| Mechanical Properties | Tensile Strength(Mpa) | Yield Strength (Mpa) | Elongation (%) | ||||||
| 20 | 410-550 | >=245 | >=24 | ||||||
| 16Mn | 490-670 | >=320 | >=21 | ||||||
| 10 | 335-490 | >=205 | >=24 | ||||||
| 10MoWNb | 470-670 | >=295 | >=19 | ||||||
Application:
1)Petroleum, Chemical enterprise, superheater of boiler, heat exchanger
2)High temperature resistant transmission fluid pipe in power station
3)Ship with pressure pipe
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