CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes

Good quality Seamless Boiler Tubes for sales
Good quality Seamless Boiler Tubes for sales
RUIYUAN is a reliable supplier, we trust in them and already cooperated for 5 years. They offer good and stable quality, best service and price.

—— Mr.Wang from SINOPEC

As we've cooperated more than 7 years, RUIYUAN is not only a business partner, but also became a very best friend for us.

—— Mr.Sanjay Bajaj

They will always keep their words, and always put customer's benefit on first consideration, that's why we chose them as a long-term business partner!

—— Mr.Thomas BIttig

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Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes

China Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes supplier

Large Image :  Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes

Product Details:

Place of Origin: JIANGSU, CHINA
Brand Name: CHANGZHOU RUIYUAN
Certification: ISO9001, ISO14001, PED

Payment & Shipping Terms:

Minimum Order Quantity: 0.3 MT
Packaging Details: Ends caps, Hexagonal Bundles with steel strips and plastic bags wrapping outside/Wooden box/Steel frame/Or as per client’s requirement.
Delivery Time: 20~30 days after order
Payment Terms: T/T, L/C, D/P, CASH
Supply Ability: 6000MT/Month
Detailed Product Description
STANDARD: GB SHAPE: ROUND
MATERIAL: ALLOY STEEL PROCESSING: COLD DRAWN
TECHNIQUE: SEAMLESS PLACE OF ORIGIN: JIANGSU, CHINA
SECONDARY OR NOT: BRAND NEW

Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes

 

 

Specifications:

 

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Size:(mm) 

As per standard or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

 

 

CHEMICAL COMPOSITION (%):

 

Grade

Chemical Composition

C

Si

Mn

P

S

Cr

Mo

20G

0.17~0.23

0.17~0.37

0.35~0.65

≤0.025

≤0.015

20MnG

0.17~0.23

0.17~0.37

0.70~1.00

≤0.025

≤0.015

25MnG

0.22~0.27

0.17~0.37

0.70~1.00

≤0.025

≤0.015

15MoG

0.12~0.20

0.17~0.37

0.40~0.80

≤0.025

≤0.015

0.25~0.35

20MoG

0.15~0.25

  0.17~0.37

0.40~0.80

≤0.025

≤0.015

0.44~0.65

12CrMoG

0.08~0.15

0.17~0.37

0.40~0.70

≤0.025

≤0.015

0.40~0.70

0.40~0.55

 

 

MECHNICAL PROPERTIES (Minimum Values) :

 

Grade

Tensile Strength (MPa)

Yield Strength(MPa)

Elongation(%)

20G

410~550

≥245

≥24

20MnG

415~560

≥240

≥22

25MnG

485~640

≥275

≥20

15MoG

450~600

≥270

≥22

20MoG

415~665

≥220

≥22

12CrMoG

410~560

≥205

≥21

 

 

DIMENSION TOLERANCE:

 

Processing

Pipe Sizes (mm)

Tolerances

Cold Drawn

OD

≤25.4

±0.15

>25.4~40

±0.20

>40~50

±0.25

>50~60

±0.30

>60

±0.5% D

WT

≤3.0

±0.3

>3.0

±10% S

 

 

INSPECTION AND TEST:

 

CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.

 

 

Description:

 

GB 5310 SEAMLESS HIGH PRESSURE TUBE FOR BOILER used for high pressure service. High pressure boiler, pressure equipment, superheater, pipeline, preheating tubes, etc.

Top quality products

 

 

Applications:

 

Mainly used for high pressure service. High pressure boiler,  pressure equipment, pipe line, superheater, preheating tubes, etc.

 

 

Competitive Advantage:

 

GB 5310 is one of our most popular products. We always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.

Advanced equipments. Sincere , truth and careful attitude on communication and production.

 

 

Round Cold Drawn High Pressure Steel Pipe , GB 5310 Black Alloy Steel Seamless Tubes

Contact Details
CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

Contact Person: Ms. Brenda

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