JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes

Brand Name:TORICH
Certification:ISO9001, ISO14001, TS16949
Model Number:JIS G3429
Minimum Order Quantity:5Tons
Delivery Time:30-45 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Verified Supplier
Location: Ningbo Zhejiang China
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Supplier`s last login times: within 42 hours
Product Details Company Profile
Product Details
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

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.

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

JIS G3429 Seamless Steel Exhaust Tubing For Automotive Steel Tubes

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