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TORICH INTERNATIONAL CO.,LTD
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Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Contact Person:
Mr Richard SHEN

Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087

Brand Name : TORICH
Model Number : GB 3087
Certification : ISO 9001 ISO 14001 TS 16949
Place of Origin : Zhejiang China
MOQ : 5 Ton
Price : USD 800-1300/Ton
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 20000 Ton/Year
Delivery Time : 30 days
Packaging Details : Packing in wooden box,hexagonal bundles or other seaworthy ways.
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
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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 MethodOD 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 MethodOD (DN)WT/ODTolerance
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 MethodWTTolerance
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 CUTTINGHAMMERING PICKING LUBRICATION CLEANING 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:



Product Tags:

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

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