公司簡介
張家港市匯成制管有限公司成立於二〇〇七年，是具備自營進出口權的冷軋精密無縫鋼管和直縫電焊鋼管的專業生產廠家。產品主要用於液壓缸體、工程機械、汽車、機車、家具以及健身器材等行業。 公司座落在風景秀麗的江南水鄉---張家港市境內的金港鎮。東臨上海、西依張家港保稅區、北與南通隔江為鄰、南臨蘇錫常經濟發達區域，便利的水陸交通條件為企業的發展提供了得天獨厚的地理優勢。公司技術力量雄厚，主要技術人員從事鋼管研發製造有二十餘年的豐富經驗，獨立開發了雙金屬雙層耐磨複合鋼管，大口徑薄壁精密鋼管，液壓油缸用冷軋精密鋼管，精密鈦合金管，鎳管等。 公司有先進的生產設備與完善的質量管理體系，歡迎各屆人士與我公司進行各種新產品的合作開發。
產品介紹
冷軋精密無縫鋼管1、執行標準：
GB/T 3639-2000 冷拔或冷軋精密無縫鋼管DIN2391 冷拔或冷軋精密無縫鋼管
EN10305-1 無縫冷拔管
EN10305-2 焊接冷拔管
ASTM A519 機械用無縫碳鋼管、合金鋼管
ASTM A513 TYPE 5 焊接碳鋼與合金鋼機械管(DOM)
也可根據用客戶要求訂製各種特殊要求的產品。
Standard of implementation:
GB/T 3639-2000 Cold drawn or cold rolled precision seamless steel pipe
DIN2391 Cold drawn or cold rolled precision seamless steel pipe
EN10305-1 Seamless cold drawn steel pipe
EN10305-2 Welded cold drawn steel pipe
ASTM A519 Seamless carbon and alloy steel mechanical tubing
ASTM A513 TYPE5 Electric-resistance-welded carbon and alloy steel mechanical tubing(DOM)
Can also produce a variety of special requirement products according to the requirements of customers.
2、常用牌號化學成份、機械性能Chemical composition, mechanical properties of common grades
精密鋼管常用牌號化學成份Chemical composition(%) of precision pipe’s common grades
| 標準 Standard | 牌號Grade | 化學成份% Chemical composition(%) | |||||
| 碳 | 矽 | 錳 | 硫 | 磷 | 鉻 | ||
| C | Si | Mn | S | P | Cr | ||
| GB/T699 GB/T3639 GB3077 GB/T1591 | 10# | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ​ |
| 20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ​ | |
| 35# | 0.32~0.39 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ​ | |
| 45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ​ | |
| 40cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.08~1.10 | |
| 25Mn | 0.22~0.29 | 0.17~0.37 | 0.70~1.00 | ≤0.035 | ≤0.035 | ≤0.25 | |
| Q345B | ≤0.20 | ≤0.50 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.30 | |
| 37Mn5 | 0.30~0.39 | 0.15~0.30 | 1.20~1.50 | ≤0.015 | ≤0.020 | ​ | |
精密鋼管常規機械性能Conventional mechanical properties of precision pipe
| 標準 Standard | 牌號Grade | 交貨狀態 Delivery Conditions | |||
| 冷加工/硬BK | 冷加工/軟BKW | ||||
| 抗拉強度Tensile stengthσb(MPa) | 斷後 伸長率 Make percentage elongationδ5(%) | 抗拉強度Tensile stengthσb(MPa) | 斷後 伸長率Make prcentage elongationδ5(%) | ||
| GB/T3639 GB3077 | 10# | ≥410 | ≥6 | ≥375 | ≥10 |
| 20# | ≥510 | ≥5 | ≥450 | ≥8 | |
| 35# | ≥590 | ≥4 | ≥550 | ≥6 | |
| 45# | ≥645 | ≥4 | ≥630 | ≥5 | |
| 40cr | ≥784 | ≥12 | ​ | ​ | |
| 37Mn5 | ≥784 | ≥12 | ​ | ​ | |
3、常用規格尺寸公差Dimensional tolerances of common specifications
精密鋼管常用規格尺寸公差對照表Dimensional tolerances of precision pipe’s common specifications table
| 規格 | 尺寸Dimension | GB3639-2000 | 企業標準 Enterprise standard |
| 外徑 OD | 15~30mm | ±0.10mm | ±0.05mm |
| 31~40mm | ±0.15mm | ±0.05mm | |
| 41~50mm | ±0.20mm | ±0.08mm | |
| 51~60mm | ±0.25mm | ±0.08mm | |
| 61~70mm | ±0.30mm | ±0.10mm | |
| 71~80 mm | ±0.35 mm | ±0.10mm | |
| 81~90 mm | ±0.40 mm | ±0.12mm | |
| 91~100 mm | ±0.45 mm | ±0.15mm | |
| 101~120 mm | ±0.50 mm | ±0.15mm | |
| 121~210 mm | ±0.65 mm | ±0.20mm | |
| 壁厚Wall thickness | 0~13mm | ±10% (最小值min±0.12mm) | ±8% |
| *特殊要求根據顧客的技術協定執行。Implement special requirements in accordance with customers’ technology agreement. | |||
4、套用領域 Applications
◆ 大型工程機械用液壓油缸Hydraulic cylinder used in large-scale engineering machinery
◆ 機械設備用氣動及液壓缸體pneumatic and hydraulic cylinder used in machinery equipment
◆ 大口徑鈦合金鋼管 Large-diameter titanium alloy pipe
◆ 鋁箔用鋼管芯Pipe core used in aluminum foil
◆ 電機外殼 Motor shell
◆ 汽車及精密機械產品用管 Automotive and precision machinery直縫電焊鋼管
1、執行標準：
GB/T 13793-2008 直縫電焊鋼管DIN2394 焊接與定徑精密鋼管
EN10305-3 焊接冷定徑鋼管
ASTM A513 焊接碳鋼與合金鋼機械管
也可根據用客戶要求訂製各種特殊要求的產品。
Standard of implementation:
GB/T 13793-2008 Longitudinal electric resistance welded steel tubes
DIN2394 Welded and size precision steel tube
EN10305-3 Welded cold size tubes
ASTM A513 Electric-resistance-welded carbon and alloy steel mechanical tubing
Can also prouct a variety of special requirement produce according to the requirements of customers.
2、常用牌號化學成份、機械性能Chemical composition, mechanical properties of common grades
焊接鋼管常用牌號化學成份Chemical composition(%) of welded tube’s common grades
| 標準 Standard | 牌號Grade | 化學成份% Chemical Composition(%) | |||||
| 碳 | 矽 | 錳 | 硫 | 磷 | 鉻 | ||
| C | Si | Mn | S | P | Cr | ||
| GB700 Q/BQB402 Q/BQB303 | Q195 | ≤0.12 | ≤0.30 | ≤0.50 | ≤0.040 | ≤0.035 | ​ |
| Q215 | ≤0.15 | ≤0.35 | ≤1.2 | ≤0.045 | ≤0.045 | ​ | |
| Q235B | ≤0.20 | ≤0.35 | ≤1.4 | ≤0.045 | ≤0.045 | ​ | |
| SPCC | ≤0.15 | ≤0.05 | ≤0.60 | ≤0.025 | ≤0.035 | ​ | |
| ss400 | ≤0.21 | ≤0.30 | ≤1.4 | ≤0.035 | ≤0.035 | ​ | |
3、焊接鋼管常規機械性能Conventional mechanical properties of welded tube
| 標準Standard | 牌號Grade | 軟狀態Soft conditions | 低硬狀態 Low-hand conditions | ||
| 抗拉強度σb(MPa) Tensile stength | 斷後伸長率δ5(%) Make percentage elongation | 抗拉強度σb(MPa) Tensile stength | 斷後伸長率δ5(%) Make percentage elongation | ||
| GB/T13793 Q/BQB402 Q/BQB303 | Q195 | ≥315 | ≥22 | ≥335 | ≥14 |
| Q215 | ≥335 | ≥22 | ≥355 | ≥13 | |
| Q235A | ≥375 | ≥20 | ≥390 | ≥9 | |
| SPCC | ≥270 | ≥36 | - | - | |
| SS400 | 400-510 | ≥26 | - | - | |
4、常用規格尺寸公差Dimensional tolerances of common specifications
焊接鋼管常用規格尺寸公差對照表Dimensional tolerances of welded tube’s common specifications table
| GB/T13793 | 尺寸dimension | 高級精度 First accuracy | 較高精度 Second accuracy | 普通精度 Third accuracy |
| 外徑 OD | 8~20mm | ±0.10mm | ±0.20mm | ±0.30mm |
| 21~50mm | ±0.15mm | ±0.30mm | ±0.50mm | |
| 51~80mm | ±0.30mm | ±0.50mm | ±1.0%Dmm | |
| 壁厚 Wallthickness | 0.50~0.60mm | +0.03mm -0.05mm | ±0.06mm | ±0.10mm |
| 0.65~0.80mm | +0.04mm -0.07 mm | ±0.07mm | ||
| 0.85~1.0 mm | ±0.08mm | |||
| 1.0 ~1.2mm | +0.05 mm -0.09 mm | ±0.09mm | ±10% | |
| 1.2 ~1.4mm | ±0.11mm | |||
| 1.4 ~1.5mm | +0.06 mm -0.11mm | ±0.12mm | ||
| 1.5~1.6mm | ±0.13mm | |||
| *特殊要求根據顧客的技術協定執行。Implement special requirements in accordance with customers’ technology agreement. | ||||
5、套用領域 Applications
◆ 家具用管 Furniture
◆ 裝飾用管 Decorative
◆ 窗簾用管 Curtain
◆ 注塑用伸縮桿telescopic tube used in plastic injection
◆ 汽車及精密機械產品用管Automotive and precision machinery
