API碳钢无缝钢管，大口径无缝钢管，非型号无缝钢管，旋挖钻杆
电话；13343077999 13363684198 张 网址；www.czfygg.com
用于石油、天然气工业中的气、水、油输送。
外观: 5.8 M/6M/12M , SRL,DRL ，2寸以上坡口，打捆，刷黑漆，PE膜包裹
标准: ASTM A106, A53, API 5L, DIN17175 ,EN10204,
EN10216,JIS3454,GOST 8732-78 etc
钢级: 10#， 20#，GR.B,X42-X60,P265TR1,Q345B，S355JRH etc
外部涂层防腐: 3PE, FBE,水泥砂浆等
接受SGS,BV,DNV,TUV,MOODY等第三方检测
API钢管化学元素及机械性能产品参数：
| Standard | Product Specification Level |
Steel grade | Chemical composition, % | |||||||||
| C | Mn | P | S | Si | V | Nb | Ti | CEpcm | ||||
| API 5L | PSL 1 | L210 or A | ≤ 0.22 |
≤ 0.90 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|
| L245 or B | ≤ 0.28 |
≤ 1.20 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| L290 or x42 | ≤ 0.28 |
≤ 1.30 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| L320 or X46 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| L360 or X52 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| L390 or X56 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| L415 or X60 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
|||
| PSL 2 | L245Ror BR | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
c | c | ≤ 0.04 |
≤ 0.25 |
||
| L290R or X42R | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.06 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
|||
| L245N or BN | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
c | c | ≤ 0.04 |
≤ 0.25 |
|||
| L290N or X42N | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.06 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
|||
| L320N or X46N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.07 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
|||
| L360N or X52N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
|||
| L390N or X56N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
|||
| L415N or X60N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
协商 Negotiation |
|||
| Note: c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established. |
||||||||||||
| Standard | Product Specification Level | Steel grade | Yield Strength (min), Mpa | Tensile Strength(min), Mpa |
| API 5L | PSL 1 | L210 or A | 210 | 335 |
| L245 or B | 245 | 415 | ||
| L290 or x42 | 290 | 415 | ||
| L320 or X46 | 320 | 435 | ||
| L360 or X52 | 360 | 460 | ||
| L390 or X56 | 390 | 490 | ||
| L415 or X60 | 415 | 520 | ||
| PSL 2 | L245Ror BR | 245~450 | 415~760 | |
| L290R or X42R | 290~495 | 415~760 | ||
| L245N or BN | 245~450 | 415~760 | ||
| L290N or X42N | 290~495 | 415~760 | ||
| L320N or X46N | 320~525 | 435~760 | ||
| L360N or X52N | 360~530 | 460~760 | ||
| L390N or X56N | 390~545 | 490~760 | ||
| L415N or X60N | 415~565 | 520~760 |