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GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

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GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

China GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier
GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder supplier

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Product Details:

Place of Origin: China
Brand Name: Torich
Certification: ISO 9001-2008 ISO14001 TS16949 DNV
Model Number: GB28884

Payment & Shipping Terms:

Minimum Order Quantity: 5 Tons
Price: negotiable
Packaging Details: In bundles with seaworthy packing
Delivery Time: 30-45 Days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Tons per Year
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Detailed Product Description
Product Name: GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder Type: Seamless Steel Tube
Material: 30CrMoE 42CrMoE Surface: Oiled
Usage: Large Volume Gas Cylinder Shape: Round Shape
Manufacturing Technique: Hot Rolled Length: 4-12m
OD: 80-1200mm WT: 4-100mm

GB28884 300-3000L Seamless Steel Tubes for Large Volume Gas Cylinder

 

Application:

Manufacturing gas cylinder with 300L~3000L volume

 

size:

Length:4-12m

OD:80-1200mm

WT:4-100mm

 

Refining method of steel:

The Steel is processed by electric arc furnace and refining outside the furance and vacuum refining,or oxygen converter refining outside the furnace and vacuum refining.

 

Manufacturing method of steel tube:

Steel pipe in hot rolling(enlarge) state,cold drawn or cold drawn after heat treatment state delivery.

 

The surface quality:

No crack ,folding,delamination and scarring on insideand outside surface.

 

Test item:

Tensile test

Hardness test

Impact test

Non-metalic inclusion test

Grain size test

Ultrasonic flaw detection

 

             Steel Grade and Chemical Component

No. Grade Group Chemical component,%
C Si Mn P S Cr Mo Ni Cu
1 30CrMoE 1a

0.25~

0.35

0.15~

0.35

0.40~

0.90

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
2 2

0.26~

0.34

0.17~

0.37

0.40~

0.70

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
3 42CrMoE 1b

0.40~

0.45

0.15~

0.35

0.75~

1.00

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
4 2

0.38~

0.45

0.17~

0.37

0.50~

0.80

≤0.020 ≤0.010

0.90~

1.20

0.15~

0.25

≤0.30 ≤0.20

a Grade30CrMoE group1 is equivalent to 4130X.

bGrade42CrMoE group1 is equivalent to 4142

 

                                                   Mechanical Property

Grade

Tensile Strength

Ra MPa

Lower yield strength or specified plasticity elongation

ReL or Rp0.2a MPa

percentage elongation after fracture

A50mma%

yield ratio

(ReL/Ra or Rp0.2/Ra)%

Hardness

HBW

-10oCShock absorption energy KV2J
Average A single sample
30CrMoEb ≥720 ≥485 ≥20 ≤86 ≤269 ≥40 ≥32
42CrMoEc ≥930 ≥760 ≥16 - ≤330 ≥40 ≥32

b 30CrMoE mechanical property is equivanlent to 4130X

c 42CrMoE mechanical property is equivanlent to 4142

 

GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

 

GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

Contact Details
TORICH INTERNATIONAL CO.,LTD

Contact Person: Christine Guan

Tel: +8618958207675

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