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TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248

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TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248

China TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248 supplier
TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248 supplier TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248 supplier TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248 supplier TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248 supplier

Large Image :  TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248

Product Details:

Place of Origin: ZHEJIANG, CHINA
Brand Name: TORICH
Certification: ISO9001, ISO14001, TS16949
Model Number: GB/T18248

Payment & Shipping Terms:

Minimum Order Quantity: 5Tons
Price: negotiable
Packaging Details: Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.
Delivery Time: 30-45 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000Tons per Year
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Detailed Product Description
Keyword: Seamless Steel Tube Standard: GB/T18248
Material: 37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 30CrMnSiA OD: 15 - 800 Mm
WT: 1.6 - 50 Mm Length: 4000-12000 Mm
Usage: Gas Cylinder Technique: Hot Rolled And Cold Drawn

Products Description
 
TORICH GB/T18248 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder
Standard
GB/T18248
Material
37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 30CrMnSiA
Size
OD: 15-800mm WT: 1.6-50 Length: 4-12m
Techinique
Hot Rolled or Cold Drawn
Delivery Condition
Hot Rolled Steel Tube: Hot Rolled
Cold Drawn Steel Tube: Cold Drawn, Annealed or Normalizing
Test
Tensile Test, Impact Test, Hydraulic Test, Eddy Current Test, Ultrasonic Testing etc
Application
Low and Medium Pressure Boiler

 

Chemical Requirements

Element
37Mn
34Mn2V
30CrMo
35CrMo
34CrMo4
30CrMnSiA
C
0.34-0.40
0.30-0.37
0.26-0.34
0.32-0.40
0.30-0.37
0.28-0.34
Si
0.10-0.30
0.17-0.37
0.17-0.37
0.17-0.37
≤0.40
0.90-1.20
Mn
1.35-1.75
1.40-1.75
0.40-0.70
0.40-0.70
0.60-0.90
0.80-1.10
P
≤0.020
≤0.020
≤0.020
≤0.020
≤0.020
≤0.020
S
≤0.020
≤0.020
≤0.020
≤0.020
≤0.020
≤0.020
P+S
≤0.030
≤0.030
≤0.030
≤0.030
≤0.030
≤0.030
Cr
≤0.30
≤0.30
0.80-1.10
0.80-1.10
0.90-1.20
0.80-1.10
Mo
-
-
0.15-0.25
0.15-0.25
0.15-0.30
≤0.10
V
-
0.07-0.12
-
-
-
-
Ni
≤0.30
≤0.30
≤0.30
≤0.30
≤0.30
≤0.30
Cu
≤0.20
≤0.20
≤0.20
≤0.20
≤0.20
≤0.20

 

Permissible Variations

Type
Size Range
Permissible Variations in OD %
Permissible Variations in WT %
Permissible Variations in Minimum WT %
Common Level
High Level
PA
PC
Hot Rolled
D<339.7 mm
±1

+12.5

-10
±10

+25

0

+22.5

0
D≥339.7 mm

+15

-12.5

+12.5

-10

+30

0

+25

0
Cold Drawn
All
±0.75
±10
±7.5

+22.5

0

+15

0
 
Mechanical Requirements
Grade
Tensile Strength MPa
Yeild Strength MPa
Elongation %
min
37Mn
750
630
16
34Mn2V
745
530
16
30CrMo
930
785
12
35CrMo
980
835
12
34CrMo4
980
835
12
30CrMnSiA
1080
885
10
 

 

Product Show

TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248TORICH 37Mn 30CrMo Seamless Steel Tube for Gas Cylinder GB/T18248

 

QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking


100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

 

 
FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact us

TORICH GB/T3087 Seamless Steel Tube for Low and Medium Pressure Boiler

Contact Details
TORICH INTERNATIONAL CO.,LTD

Contact Person: Jasmine Zhang

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