Erw Automotive Steel Tubes JIS-G 3445 EN 10305-3 STKM11 STKM12 Supporting Auto Seat Headrest
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 5Tons | Price : | negotiable |
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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 |
Place of Origin: | ZHEJIANG, CHINA | Brand Name: | TORICH |
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Certification: | ISO9001, ISO14001, TS16949 | Model Number: | JIS G3429 |
Detail Information |
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Keyword: | Automotive Steel Tubes | Grade: | STH11 STH12 STH21 STH 22 STH31 |
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OD: | 5mm-420mm | WT: | 0.5mm-50mm |
Length: | Max12000mm | Technique: | Cold Drawn Seamless |
Application: | For Automotive Steel Tubes | Delivery Condition: | Hot Finished ,Cold Finished |
High Light: | low carbon steel tube,low carbon steel pipe |
Product Description
Standard
|
JIS G 3429 Seamless Steel Tubes for Automotive Steel Tubes
|
Key Word
|
High Pressure Gas Cylinder Tube
|
Material
|
STH11 STH12 STH21 STH 22 STH31
Manganese,Chrome-molybdenum ,Nickel-molybdenum
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Size
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OD: 5-420mm; WT: 0.5-50mm; Length: max12000mm
|
Technique
|
Cold Drawn Seamless
|
Application
|
For Automotive Steel Tubes
|
Manufacturing
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The tubes are manufactured by a seamless process
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Delivery condition
|
Hot Finished ,Cold Finished
|
Chemical Requirement
Steel Grade
|
Class
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
STH11
|
Manganese
Steel tube |
0.50max
|
0.10-0.35
|
1.80max
|
0.035max
|
0.035max
|
-
|
-
|
-
|
STH12
|
0.30-0.41
|
0.10-0.35
|
1.35-1.70
|
0.030max
|
0.030max
|
-
|
-
|
-
|
|
STH21
|
Chrome-molybdenum
steel tube |
0.25-0.35
|
0.15-0.35
|
0.40-0.90
|
0.030max
|
0.030max
|
0.25max
|
0.80-1.20
|
0.15-0.30
|
STH22
|
0.33-0.38
|
0.15-0.35
|
0.40-0.90
|
0.030max
|
0.030max
|
0.25max
|
0.80-1.20
|
0.15-0.30
|
|
STH31
|
Nickel-molybdenum
Steel tube |
0.35-0.40
|
0.10-0.50
|
1.20-1.50
|
0.030max
|
0.030max
|
0.50-1.00
|
0.30-0.60
|
0.15-0.25
|
Dimensional Tolerances
OD%
|
WT%
|
Tolerance Allowance %
|
L
|
±1
|
+30
0
|
20 max
|
+30 mm
|
Note: the tolerance is not available for WT<5.6mm tubes
|
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.
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
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