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TORICH GB/T 18704 Stainless Steel Clad Pipes For Structural Purposes

Minimum Order Quantity : 2 tons Price : negotiable
Packaging Details : stainless steel tubes packed in wooden boxes or hexagonal bundles in seaworthy packing. Delivery Time : 35-45 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 20000 tons per year
Place of Origin: China Zhejiang Brand Name: TORICH
Certification: ISO9001,ISO14001,TS16949 Model Number: GB/T 18704

Detail Information

Keyword: Stainless Steel Clad Pipes Surface: As Customer's Request
Material: Q195,Q215,Q235,06Cr19Ni10,12Cr18Ni9,12Cr18Mn9Ni5N,12Cr17MnNi5N Shape: Square. Rectangular.Round
OD: 20-100mm WT: 0.5-30mm
Length: 1-8m Usage: Municipal Facilities,railway Guardrails, Platform Guardrails
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stainless steel round tube

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stainless tube steel

Product Description

TORICH GB/T 18704 Stainless Steel Clad Pipes For Structural Purposes

product description

Clad Pipes: The base material (inlayer) is made of carbon steel strip, coating material (outer layer) is made of stainless steel strip, tightly wrapped continuous welding molding.

 

Material: Q195,Q215,Q235,06Cr19Ni10,12Cr18Ni9,12Cr18Mn9Ni5N,12Cr17MnNi5N.

 

Bending:

The bending degree per meter of the composite pipe should be in accordance with the following regulations.

a) D< 89.0mm, not more than 1.5 mm/m

b) D≥ 59.0mm, not more than 2.5 mm/m

 

Classification and code

The composite pipe is divided into 4 kinds according to the surface delivery state, name and code of the state are as follows:

a) Surface unpolishing state SNB

b) Surface polishing state SB

c) Surface grinding state SP

d) Surface sandblasting state SS

 

The composite pipe is divided into three types according to the shape of the cross section:

a) circular tube R

b) Square tube S

c) Rectangular tube Q

 

Roughness:

The roughness of the outer surface of the composite pipe should be in accordance with the following regulations:

a) When the outer diameter of a circular tube is not more than 63.55 mm, the surface roughness of a circular tube should not less than Ra 1.6 micron.

b) When the outer diameter of a circular tube is more than 63.55 mm, the surface roughness of a circular tube should not less than Ra 1.6 micron.

c) The surface roughness of square and rectangular tubes should not be less thanRa 1.6 micron.

 

usage: This standard is applicable to municipal facilities, vehicle manufacturing, bridge guardrail, traffic guardrail, railway guardrails, platform guardrails, railway catenary, architectural ornaments, steel structures, medical devices, furniture, and general mechanical components.

 

Allowable deviation of outer diameter

Surface delivery condition Nominal outside diameter Tolerance

Polishing,Polish

(SB,SP)

≤25 ±0.25
>25~40 ±0.30
>40~50 ±0.35
>50~60 ±0.40
>60~70 ±0.50
>70~80 ±0.60
>80 ±1%D
Unpolished,Sand blasting(SNB,SS) ≤25 ±0.30
>25~50 ±0.40
>50 ±1.0%D

 

Allowable deviation of wall thickness

Wall thickness(S) Tolerance(high-grade) Tolerance(medium grade)
≥0.8~2.0 ±0.10 ±0.20
>2.0~3.0 ±0.15 ±0.30
>3.0 ±5%S ±10%S

 

company introduction

 

TORICH GB/T 21832 Austenitic-Ferritic(duplex) Grade Stainless Steel Welded Tubes And Pipes

stainless steel clad pipes

 

production workshop

 

stainless steel clad pipes

 

packaging shipping

 

TORICH GB/T 21832 Austenitic-Ferritic(duplex) Grade Stainless Steel Welded Tubes And Pipes

 

our certificate

 

ISO

TORICH Stainless Steel Clad Pipes For Structural Purposes

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