1.4301/304 Seamless Stainless Steel Round Hollow Pipe

Model NO.
RY6-630mm
Surface Treatment
Pickling
Od Size
6-630mm
Thickness
1-50
Seamless
Seamless
Process
Cold Rolled/Cold Drawn
Finish
Acid Washing or Polished
Ends
Plain or Beveled
Length
Customed
Transport Package
Bundles
Specification
6-630mm
Trademark
RUIYANG
Origin
China
HS Code
7304112000
Production Capacity
10000t/Month
Reference Price
$ 2.70 - 9.00
Contact Us

Product Description

Top quality Stainless steel seamless stainless steel round pipe tubes

Manufacture Standard:

ASTMA213, ASTMA312, ASTM A269, ASTMA511, ASTM A789, ASTM A790,GOST 9941, GOST 9940, DIN17456, DIN17458, EN10216-5, EN17440,JISG3459, JIS3463,GB/T13296, GB/T14976, GB/T14975, GB9948, GB5310, etc

Grades:

304 , 304L, 304H, 304N, 316, 316L 316Ti, 317L, 310S, 321, 321H, 347H, S31803, S32750, 347, 330, 825, 904L,12X18H9, 08X18H10, 03X18H11, 08X18H10T, 20X25H20C2, 08X17H13M2T, 08X18H12E.

1.4301, 1.4306, 1.4401, 1.4404, 1.4435, 1.4541, 1.4571, 1.4563, 1.4462, 1.4845,

SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS310S etc

Size:

A).Out diameter: ANSI 1/8"-24"(6mm-630mm).

B).Wall thickness: (0.9mm-50mm)

Process methods: cold dawning, cold rolling
Surface &Delivery condition: Solution annealed and pickled, grey white (polished),with plain ends/bevel edges ends
Length: Max25 meters
Packing: in seaworthy wooden cases or in bundles
Min order quantity: 0.5-1 ton
Delivery date: TP304,TP310s pipes usually have stock,others Min. 10 days
Certificates: ISO9001:2000 quality system and Mill test Certificate supplied

Quality Assure:

Quality assure: 1),Basic guarantee: Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs.
2),Process control: follow the process chart adding our workers' care
 
3),Inspection& Test Direct-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test, Eddy Current Test, Ultrasonic Test, Hydrostatic Test, Corrosion Test, etc

General Require of ASTMA213/M

                                 standard
Items 		   ASTM A213/A213M


Steel grade

  		TP301                  TP304L
TP316                  TP316L
TP317                  TP310L
TP347                  TP310S
TP347H △                 TP310H *
TP309H*                TP321H △
Rp0.2(Mpa) ≥170 ; ≥205
Rm(Mpa) ≥485 ; ≥515
A(%)      ≥35
F latten   experiment (mm) H=1.09t/(0.09+t/D)
  flaring test Inside diameter 21-68%
Grain size " * " , "   △  " ASTM E112/   " △  " 7# or above 7# " * " 6# or above 6#

hydrostatic  test  (Mpa)
  		D  Pmax

P=220.6t/D
 
  <25.4 7  
  25.4-<38.1 10  
  38.1-<50.8 14  
  50.8-<76.2 17  
  76.2-<127 24  
  ≥127 31  
Crystal
corrosion test 		ASTM A262
nondestructive  inspection ASTM  E213  E309  E426
Heat treatment (solid solution)      required


Out-diameter tolerance (mm)
  		OD TOLERANCE
  <25.4 ± 0.10
  25.4- ≤ 38.1 ± 0.15
  >38.1-<50.8 ± 0.20
  50.8-<63.5 ± 0.25
  63.5-<76.2 ± 0.30
  76.2- ≤101.6 ± 0.38
  >101.6- ≤190.5 ± 0.38/-0.64
  >190.5- ≤228.6 ± 0.38/-1.14

Thickness tolerance (mm)
  		OD TOLERANCE
  ≤ 38.1 +20%-0
  >38.1 +22%-0
straightness (mm/m) REASONABLE
HARDNESS HRB<90

Process of stainless steel pipe tube:
1.4301/304 Seamless Stainless Steel Round Hollow Pipe




Parts of workshop:
1.4301/304 Seamless Stainless Steel Round Hollow Pipe

Features of stainless steel tubes:

1)characters such as Safety, health, environmental protection

2)economy applicable, good surface

3)the resistant to corrosion

4)less weight than bars, thickness and out diameter so variously

5)easy cutting, huge deformation

6)tensile strengthen and good be flexible etc.

Package:in bundles or with wooden box packge

Delivery of stainless steel tubes:
1.4301/304 Seamless Stainless Steel Round Hollow Pipe


Applications & Usage of seamless stainless pipe:

as Line pipe, boiler pipe, mechanical structure, hydraulic prop pipe, gas pipe, geological pipe, chemical pipe
(high pressure chemical fertilizer pipe, oil cracking pipe) and tube for ships, etc
decoration,building,construction,water pipe,petroleum, chemical industry, chemical fiber, smelt, medical machinery,
paper making,Heat preservation and refrigeration, mechanical equipment, food, electricity, water conservancy,
architecture, aerospace, navigation shipbuilding, environmental protection and boiler heat exchanger

 

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Welcome to contact for inquiry!

 

Stainless Steel