Electric Resistance JIS G3472 Welded Carbon Steel Pipes For Automobile
JIS G3472 electric resistance welded carbon steel tube for automobile
Type: Welded carbon steel pipes
Application: For automobile parts
Technique: Cold-finished, hot-finished, ERW
Chemical composition:
| Steel Grade | Chemical Composition % | ||||
| C | Si | Mn | P | S | |
| STAM 290GA | 0.12 max. | 0.35 max. | 0.60 max. | 0.035 max. | 0.035 max. |
| STAM 290GB | |||||
| STAM 340G | 0.20 max. | 0.35 max. | 0.60 max. | 0.035 max. | 0.035 max. |
| STAM 390G | 0.25 max. | 0.35 max. | 0.30~0.90 | 0.035 max. | 0.035 max. |
| STAM 440G | 0.25 max. | 0.35 max. | 0.30~0.90 | 0.035 max. | 0.035 max. |
| STAM 440H | |||||
| STAM 470G | 0.25 max. | 0.35 max. | 0.30~0.90 | 0.035 max. | 0.035 max. |
| STAM 470H | |||||
| STAM 500G | 0.30 max. | 0.35 max. | 0.30~1.00 | 0.035 max. | 0.035 max. |
| STAM 500H | |||||
| STAM 540H | 0.30 max. | 0.35 max. | 0.30~1.00 | 0.035 max. | 0.035 max. |
Mechanical proporties:
| Grade | Designation | Tensile strength | Yield Strength | Elongation (1)% No.1 test piece No.2 Test piece | Flaring test (2) |
| Size of flared bell portion (D: outside diameter of tube) | |||||
| {N/mm²} | {N/mm²} | Longitudinal direction | |||
| Grade G | STAM 290GA | 30 min. | 18 min. | 40 min. | 1.25 D |
| {294} min. | {177} min. | ||||
| STAM 290GB | 30 min. | 18 min. | 35 min. | 1.20 D | |
| {294} min. | {177} min. | ||||
| STAM 340G | 35 min. | 20 min. | 35 min. | 1.20 D | |
| {343} min. | {196} min. | ||||
| STAM 390G | 40 min. | 24 min. | 30 min. | 1.20 D | |
| {392} min. | {235} min. | ||||
| STAM 440G | 45 min. | 31 min. | 25 min. | 1.15 D | |
| {441} min. | {304} min. | ||||
| STAM 470G | 48 min. | 33 min. | 22 min. | 1.15 D | |
| {471} min. | {324} min. | ||||
| STAM 500G | 51 min. | 36 min. | 18 min. | 1.15 D | |
| {500} min. | {353} min. | ||||
| Grade H | STAM 440H | 45 min. | 36 min. | 20 min. | 1.15 D |
| {441} min. | {353} min. | ||||
| STAM 470H | 48 min. | 42 min. | 18 min. | 1.10 D | |
| {471} min. | {412} min. | ||||
| STAM 500H | 51 min. | 44 min. | 16 min. | 1.10 D | |
| {500} min. | {431} min. | ||||
| STAM 540H | 55 min. | 49 min. | 13 min. | 1.05 D | |
| {539} min. | {481} min. |
Product show:
Q: Are you trading company or manufacturer?
A: We are a professional steel pipes materials manufacturer.
Q: How long is your delivery time?
A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.
Q: Do you provide free samples?
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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