API 5L A25.A.B X42-X70 mild seamless oil and gas pipe
USD $1,300 - $1,700 /Metric Ton
Min.Order:20 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
API 5L A25.A.B X42-X70 mild seamless oil and gas pipe
Production standards
DIN2391, EN10305, ASTM A519 etc
GB/T 3639 Cold drawn or cold rolled precision seamless steel tubes
GB/T 8713 inside precision seamless tubes for hydraulic pressure and pneumatic services
Grade and Chemical Composition(%):
Steel grade | Chemical composition(%) | ||||
---|---|---|---|---|---|
C max | Si max | Mn | P max | S max | |
St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Steel grade | Chemical composition(%) | ||||||
---|---|---|---|---|---|---|---|
Steel name | Steel number | C max | Si max | Mn | P max | S max | Al min |
E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
Mechanical Properties(Mpa):
Steel grade | Cold Drawn(hard) BK | Cold Drawn(soft) BKW | Cold Drawn wth stress relief BKS | Annealed GBK | Normalizing NBK | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tensile strength Rm | Elonga tion% | Tensile strength Rm | Elonga tion % | Tensile StrengthRm N/mm min | Yield strength ReH N/mm min | Elonga tion% | Tensile strength Rm N/mm min | Elonga tion % | Tensile Strength Rm N/mm min | Yield strengthReH N/mm min | Elonga tion % | |
St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
Steel grade | Minimum values for the delivery condition | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel name | Steel number | + C | + LC | + SR | + A | + N | ||||||||
Rm Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH Mpa | A% | ReH Mpa | A% | Rm Mpa | ReH Mpa | A% | |||
E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 | |
E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 | |
E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
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