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Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

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Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

China Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 supplier
Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 supplier Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 supplier Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 supplier Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087 supplier

Large Image :  Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

Product Details:

Place of Origin: Zhejiang China
Brand Name: TORICH
Certification: ISO 9001 ISO 14001 TS 16949
Model Number: GB 3087

Payment & Shipping Terms:

Minimum Order Quantity: 5 Ton
Price: negotiable
Packaging Details: Packing in wooden box,hexagonal bundles or other seaworthy ways.
Delivery Time: 30 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20000 Ton/Year
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Detailed Product Description
Product Name: Seamless Steel Tubes For Low And Medium Pressure Boiler GB 3087 Material: 10# 20# STB33/42 St35.8
Surface: With Anti Rust Oil Application: Pipe For Low And Medium Pressure Boiler
Shape: Round OD: 3-1200mm
WT: 0.5-200mm Length: 4-12.5m

Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

 

Spec:

Material:10# 20# STB33/42 st35.8

Size Range:OD:4-1200mm

                    WT:0.3-200mm

                    General Length:4-12.5m

 

Tolerance:

According to the following tables or customers’ request.

Tolerance of the OD &WT:

OD Tolerance:

Production Method OD Tolerance
Hot Rolling(Extrusion) ±1% or ±0.50mm
Cold Drawn(Cold Rolled) ±1% or ±0.30mm

 

Tolerance for wall thickness:

 

1.Wall thickness tolerance of Hot Rolling steel tube:

Production Method OD (DN) WT/OD Tolerance
Extruded tube ≤102 / ±12.5% or ±0.40mm
>102 ≤0.05 ±15% or ±0.40mm
>0.05-0.10 ±12.5% or ±0.40mm
>0.10

+12.5%

-10%

Heat expanding steel tube / ±15%

 

2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:

Production Method WT Tolerance
Cold Drawn(Cold Rolled) steel tube ≤3 +15%/-10% or ±0.40mm
>3

+12.5%

-10%

 

Bending tolerance:

WT≤15mm, Bending≤1.5mm/m

WT>15mm~30mm, Bending≤2.0mm/m

WT>30mm/OD≥351mm, Bending≤3.0mm/m

 

Ovality and Wall unevenness:

The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer`s request)

 

Test:

  1. Bending test
  2. Hardness test
  3. Impact test
  4. Squeezing test
  5. Non-destructive test

Characteristic:

Good concentricity

Good OD and ID tolerance

High Precision

Stable quality

Smooth Roughness

TORICH QUALITY ASSURANCE

 

Processing:

RAW MATERIAL

INCOMING INSPECTION

STORAGE CUTTINGHAMMERINGPICKING LUBRICATIONCLEANING PHOSPHORI CLEAN

ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING

FINAL INSPECTION→BUNDING→STORAGE

 

 

Technical Delivery Conditions:Hot rolling with NBK 

 

Widely used in the field of:Boiler pipe 

 

Product Images:

Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

 

Contact Details
TORICH INTERNATIONAL CO.,LTD

Contact Person: Nancy Niu

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