JIS G3445 OD 19.05mm Cold Drawn Seamless Steel Tube
JIS G 3445 Grade STKM 11A Specification
JIS G 3445 Carbon Steel Tubes are manufactured as per JIS Specification .JIS G 3445 Seamless Tubes mechanical properties can be varied greatly by heat treating. JIS G3445 STKM Specification Covers Carbon steel tubes for machine structural purposes. We offer JIS G3445 available grades STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C), STKM15,STKM16 STKM17,STKM18,STKM19,STKM20. and a diverse range of finish options to meet the performance and appearance requirements for most applications.
Standard Specification
| Standard | JIS G3445 |
| Grade | STKM11,STKM12,STKM13,STKM14,STKM15,STKM16,STKM17,STKM18,STKM19,STKM20 |
| Outer Dimensions | 19.05mm – 114.3mm |
| Wall Thickness | 2.0mm – 14 mm |
| Length | max 16000mm |
CHEMICAL COMPOSITION
| GRADE | DESIGNATION | CHMEMICAL COMPOSITION | |||||
|---|---|---|---|---|---|---|---|
| C | SI | MN | P | S | |||
| 11 | A | STKM 11A | 0.12 max. | 0.35 max. | 0.60 max. | 0.040 max | 0.040 max |
| A | STKM 12A | ||||||
| 12 | B | STKM 12B | 0.20 max. | 0.35 max. | 0.60 max. | 0.040 max | 0.040 max |
| C | STKM 12C | ||||||
| A | STKM 13A | ||||||
| 13 | B | STKM 13B | 0.25 max. | 0.35 max. | 0.30~0.90 | 0.040 max | 0.040 max |
| C | STKM 13C | ||||||
| A | STKM 14A | ||||||
| 14 | B | STKM 14B | 0..30 max. | 0.35 max. | 0.30~1.00 | 0.040 max | 0.040 max |
| C | STKM 14C | ||||||
| 15 | A | STKM 15A | 0.25~0.35 | 0.35 max. | 0.30~1.00 | 0.040 max | 0.040 max |
| B | STKM 15B | ||||||
| 16 | A | STKM 16A | 0.35~0.45 | 0.40 max. | 0.40~1.00 | 0.040 max | 0.040 max |
| B | STKM 16B | ||||||
| 17 | A | STKM 17A | 0.45~0.55 | 0.40 max. | 0.40~1.00 | 0.040 max | 0.040 max |
| B | STKM 17B | ||||||
| A | STKM 18A | ||||||
| 18 | B | STKM 18B | 0.18 max. | 0.55 max. | 1.50 max | 0.040 max | 0.040 max |
| C | STKM 18C | ||||||
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FAQ:
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 sampleas?
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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