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Automotive Steel Tubes
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JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes

JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes

Brand Name: TORICH
Model Number: JIS G3429
MOQ: 5Tons
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000Tons per Year
Detail Information
Place of Origin:
ZHEJIANG, CHINA
Certification:
ISO9001, ISO14001, TS16949
Keyword:
Automotive Steel Tubes
Grade:
STH11 STH12 STH21 STH 22 STH31
OD:
5mm-420mm
WT:
0.5mm-50mm
Length:
Max12000mm
Technique:
Cold Drawn Seamless
Application:
For Automotive Steel Tubes
Delivery Condition:
Hot Finished ,Cold Finished
Packaging Details:
Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.
Supply Ability:
2000Tons per Year
Highlight:

low carbon steel tube

,

low carbon steel pipe

Product Description
Products Description
 
JIS G 3429 Seamless Automotive Steel Tubes for Automotive Steel Tubes
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
Size
OD: 5-420mm; WT: 0.5-50mm; Length: max12000mm
Technique
Cold Drawn Seamless
Application
For Automotive Steel Tubes
Manufacturing
The tubes are manufactured by a seamless process
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
 
Product Show

JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes 0JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes 1JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes 2JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes 3

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