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Brand Name : TORICH
Model Number : GB 5310
Certification : ISO 9001 ISO 14001 TS 16949
Place of Origin : Zhejiang China
MOQ : 5 Ton
Price : negotiable
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 50000 Ton/Year
Delivery Time : 30 days
Packaging Details : Packing in wooden box,hexagonal bundles or other seaworthy ways.
Product Name : High Creep Rupture Strength Seamless Steel Tubes and Pipes for High Pressure Boiler GB 5310
Material : 20G 20MnG 25MnG 15CrMoG
Surface : With anti rust oil protection
Application : Pipe and tubes for high pressure boiler
Shape : Round
OD : 3-1200mm
WT : 0.5-200mm
Length : 4-12.5m
Seamless Steel Tubes and Pipes for High Pressure Boiler GB 5310
Spec:
Material:20G 20MnG 25MnG
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:4-12.5m
Tolerance:
According to the following tables or customers’ request.
Producing method | Size | Tolerance | |||
General | High grade | ||||
Hot rolling (extrude) | D | <54 | ±0.40 | ±0.30 | |
>54~325 | S≤35 | ±0.75% | ±0.5% | ||
S>35 | ±1% | ±0.75% | |||
>325 | ±1% | ±0.75% | |||
S | ≤4.0 | ±0.45 | ±0.35 | ||
>4.0~20 | ±12.5%-10% | ±10% | |||
>20 | D<219 | ±10% | ±7.5% | ||
D≥219 | ±12.5%-10% | ±10% | |||
Hot expand | D |
complete
| ±1% | ±0.75% | |
S | +20%-10% | +15%-10% | |||
Cold drawn(rolling) | D | ≤25.4 | ±0.15 | _ | |
>25.4~40 | ±0.20 | _ | |||
>40~50 | ±0.25 | _ | |||
>50~60 | ±0.30 | _ | |||
>60 | ±0.5% | _ | |||
S | ≤3.0 | ±0.3 | ±0.2 | ||
>3.0 | ±10% | ±7.5% |
Characteristic:
High Creep Rupture Strength
High antioxidant properties
Good organizational stability
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Processing:
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
Technical Delivery Conditions:
The steel tube shall be supplied in the heat treated conditions as per the heat treatment conditions desicrebed the table given below. The heat treatmet conditions shall be indicated in the quality certification.
Widely used in the field of:High pressure boiler
Product Images:
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Seamless Steel Tubes and Pipes for High Pressure Boiler GB 5310 Images |