面向进口商、经销商与项目买家的中国钢材采购服务

碳钢板 - ASTM A36, A572, SS400 | 热轧与冷轧

快马钢铁有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$565 1-49 吨 基准价
$540 50-99 吨 4.4% 优惠
$530 ≥100 吨 6.2% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 565.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

产品详情

碳钢板技术规格

属性参数描述
产品名称碳钢板热轧或冷轧结构钢板
材质等级ASTM A36 / A283 Grade C / A516 Grade 70常用结构钢和压力容器钢等级
标准合规ASTM A36, ASTM A283, ASTM A516, EN 10025符合主要国际标准
碳含量 (C)0.15-0.30%碳含量用于保证强度和可焊性
锰 (Mn)0.30-1.50%提高强度和淬透性
磷 (P)≤0.040%控制以保证延展性和韧性
硫 (S)≤0.050%低硫以改善可焊性
硅 (Si)0.15-0.40%脱氧剂和强化元素
抗拉强度400-550 MPa符合 ASTM 标准的最低抗拉强度
屈服强度≥250 MPa结构应用的最低屈服强度
延伸率≥20%50mm 标距内的延展性
厚度范围3 - 200 mm适用于各种应用的可用厚度选项
宽度范围1000 - 4000 mm提供标准及定制宽度
长度范围6000 - 12000 mm标准长度或按尺寸切割
表面处理热轧 (HR)、冷轧 (CR)、酸洗涂油多种表面处理选项
应用建筑、造船、压力容器、机械典型应用行业
认证EN 10204 3.1, ISO 9001, 工厂测试证书提供的质量认证
包装钢带捆扎、防水纸、木托盘标准出口包装,防止腐蚀
MOQ5吨最小起订量

碳钢板 - ASTM A36, A572, SS400 | 热轧与冷轧

碳钢板是现代工业制造中的基础结构材料,为各类工程应用提供卓越的机械强度和具有成本效益的解决方案。这种多功能钢材广泛应用于建筑框架、压力容器制造、船舶结构和重型机械部件。碳钢板专为寻求可靠结构材料的承包商、制造商和工业生产企业而设计,在-40°C至425°C的温度范围内提供最佳性能,同时保持优异的焊接性和机加工特性。

碳钢板供应商

什么是碳钢板?

碳钢板是指碳含量按重量计在0.05%至2.0%之间的扁平轧制钢材产品,通过热轧或冷轧工艺制造,厚度规格在3mm至200mm之间。该材料的强度主要来自碳含量而非合金元素,这使其区别于合金钢或不锈钢变体。制造工艺符合ASTM A36/A36M-19、ASTM A572/A572M-18和JIS G3101 SS400标准,确保一致的机械性能,包括A36级最低屈服强度250 MPa,以及根据等级规格不同抗拉强度在400-550 MPa范围内。

碳钢板技术规格

标准碳钢板符合多项国际规范,具有精确的化学成分要求。ASTM A36 级含碳量最高为 0.26%,锰 0.80-1.20%,磷最高 0.04%,硫最高 0.05%。该材料在 20°C 时密度为 7.85 g/cm³,弹性模量为 200 GPa,热导率为 51.9 W/(m·K)。热轧板具有带氧化皮的轧制表面,而冷轧变体则提供更光滑的表面光洁度,厚度公差为 ±0.02mm,符合 ASTM A1011/A1011M 标准。可选尺寸范围宽度从 1000mm 到 3000mm,长度从 2000mm 到 12000mm,并提供定制切割服务以满足项目特定需求。

碳钢板的主要优势

碳钢板通过高强度重量比展现出卓越的结构完整性,在 ASTM A572 Grade 50 中抗拉强度高达 550 MPa,同时保持出色的冷弯和热成型加工性。该材料具有出色的焊接特性,兼容 SMAW、GMAW 和 SAW 工艺,厚度低于 25mm 时无需预热处理。成本效益仍然是主要优势,价格比同等不锈钢等级低约 60-70%,同时在非腐蚀性环境中提供相当的承载能力。广泛的供应确保供应链可靠性,标准尺寸的交货时间通常为 7-14 天。

制造工艺与质量控制

生产始于对含受控碳成分的钢坯进行连铸,随后在步进梁式加热炉中重新加热至1200°C。热轧通过粗轧机和精轧机组进行,将厚度从250mm的板坯减薄至最终规格,厚度公差为±5%,符合ASTM标准。冷轧板经过额外加工,包括酸洗、环境温度下的冷轧减薄,以及在650-750°C下退火,以实现增强的表面光洁度和尺寸精度。质量保证协议包括按ASTM A435/A435M进行超声波检测以发现内部不连续性,通过光电发射光谱法进行化学分析,以及按照ASTM A370程序进行力学测试,以验证屈服强度、抗拉强度和延伸性能。

跨行业应用

结构建筑项目利用碳钢板制造建筑框架、桥梁梁和支撑柱,其中ASTM A36级为静态载荷条件提供足够的强度。压力容器制造采用ASTM A516 Grade 70碳钢板制造锅炉汽包、储罐和热交换器,运行温度高达425°C,满足ASME第VIII卷第1分册规范要求。造船应用指定ABS Grade A或DNV Grade A钢板用于船体建造、甲板铺板和舱壁结构,在低至-20°C的低温下提供优异的抗冲击性。重型设备制造商在起重机臂、挖掘机臂和采矿设备部件中采用高强度A572 Grade 50钢板,这些部件需要优异的耐磨性和疲劳性能。

表面处理和涂层选项

通过喷丸或酸洗去除氧化皮,使表面达到 ISO 8501-1 规定的 Sa 2.5 清洁度标准,从而为防腐系统实现最佳涂层附着力。热浸镀锌施加符合 ASTM A123/A123M 的 85-100 微米锌层厚度,为户外暴露环境提供阴极保护。干膜厚度为 75-125 微米的环氧底漆系统为工业大气环境提供耐化学性,而聚氨酯面漆则提供紫外线稳定性和保色性。粉末涂装工艺可实现 60-80 微米的均匀膜厚,与液体涂料系统相比具有更优异的抗冲击性和环保合规性。

牌号对比与选型指南

ASTM A36 是最经济的选择,最小屈服强度为 250 MPa,适用于无严格强度要求的一般结构应用。ASTM A572 Grade 50 提供 345 MPa 的最小屈服强度,推荐用于需要减轻重量同时保持承载能力的高应力部件。JIS G3101 SS400 提供与 A36 相当的性能,屈服强度为 245 MPa,在亚洲市场常用于建筑和机械应用。EN 10025 S275JR 牌号在 20°C 下提供 27 焦耳的冲击韧性,适用于承受动态载荷或低温使用条件的结构。选择标准应评估所需力学性能、焊接要求、工作温度范围以及适用的建筑规范或压力容器标准。

常见问题

最小起订量(MOQ)是多少?

标准最小起订量为 5 公吨(库存尺寸),对于定制切割板材,可灵活接受 1-2 吨的小批量订单,但需收取切割费用。混合牌号订单可组合不同厚度以满足最小吨位要求,并可提供 100mm x 100mm 的样品片用于材料验证和焊接资格测试。

你们提供材质证明书吗?

每批货物均随附符合 EN 10204 Type 3.1 标准的全面工厂测试证书,记录化学成分分析、力学性能测试结果、炉号可追溯性及制造工艺验证。可通过 SGS、Bureau Veritas 或 TÜV 安排第三方检验服务以提供额外质量保证,超声波检测报告和尺寸检验证书可应要求提供。

典型的交货时间是多久?

标准库存尺寸在订单确认后 7-10 个工作日内发货,而定制切割板材根据切割复杂程度和数量需要 14-21 天。非库存厚度规格的钢厂热轧板交货期为 30-45 天,加急处理选项可将交货周期缩短 30-40%,但需对紧急订单收取加急附加费。

碳钢板批发

你们能按定制尺寸切割吗?

先进的 CNC 等离子切割设备可处理最大 6000mm x 2500mm 的板材,切割公差为 ±2mm,可加工包括孔、槽和轮廓边缘在内的复杂几何形状。氧燃料切割服务可加工 50mm 至 200mm 的较厚板材,并为焊接应用进行坡口边缘准备,水刀切割可为 3mm 至 25mm 的薄规格材料提供精密切割,且无热影响区。

获取碳钢板有竞争力的报价

我们的技术销售团队提供工厂直销价格,并附有透明的成本明细,包括基材、切割服务、表面处理和物流协调。利用我们的钢厂合作关系,订单超过50吨可享受批量折扣,合格客户还可享受灵活付款条件,包括L/C、T/T和贸易信贷安排。立即申请您的定制报价,并提供详细规格,包括牌号、尺寸、数量、交货地点和所需认证。

carbon steel plate China

  • 通过电话、电子邮件和即时通讯提供24/7客户支持
  • 提供免费样品用于质量评估,并附尺寸和化学分析报告
  • 批量订单具有竞争力的价格,并提供基于数量的折扣结构
  • 为材料选择和应用工程提供专业的技术咨询

立即联系我们,24小时内获取您的免费报价!

评分与评价

4.4
基于 9 条评价
5 5
4 3
3 1
2 0
1 0
用户
John Smith
United States
2025-08-27
Acceptable Quality with Minor Issues Resolved
Decent product, some issues resolved. Ordered 11 tons of ASTM A36 carbon steel plate (18mm thickness, 1500mm x 3000mm) for industrial equipment frames. Initial shipment had thickness variation of ±0.8mm on three plates, exceeding our ±0.5mm tolerance requirement for precision machining operations. Contacted supplier immediately with measurement data and photos. Customer service responded within 8 hours, acknowledged the issue, and shipped replacement plates via air freight at no additional cost, arriving in 5 days. Replacement material met specifications perfectly. Chemical analysis showed slightly higher sulfur content at 0.048% (spec allows 0.05% max) which required minor welding parameter adjustment but didn't affect final weld quality. Suggest implementing tighter thickness tolerance controls during production, especially for precision applications. Fair pricing and responsive problem resolution earns 3 stars - would consider ordering again for less critical applications where standard tolerances are acceptable.
用户
Chris Martin
Canada
2025-09-15
Perfect A36 Stock for Distribution Inventory
We ordered 35 tons of ASTM A36 carbon steel plate in multiple thicknesses (10mm, 12mm, 16mm, 20mm, all 1500mm x 6000mm) to replenish our Calgary warehouse inventory. Quality consistency across all thickness ranges was perfect - every piece tested showed yield strength between 265-285 MPa, well above 250 MPa minimum. Surface finish uniform 2B quality, ideal for our customers' downstream fabrication needs. Supplier accommodated our request to mix thicknesses in single shipment, meeting our 35-ton minimum without forcing single-size purchase. Documentation package included individual mill certificates for each heat number, simplifying our inventory tracking system. Delivery coordination was flawless with advance notice allowing our receiving team proper scheduling. This supplier understands distributor requirements - highly recommended for wholesale steel plate sourcing.
用户
Robert Brown
United Kingdom
2025-10-03
Decent SS400 Plates with Prompt Delivery
Ordered 7 tons of SS400 carbon steel plate (15mm thickness, 2000mm x 3000mm) for pressure vessel shell fabrication. Material certificates showed compliance with JIS G3101 standards, carbon content 0.19%, suitable for our ASME Section VIII Division 1 application. Delivery was impressive - received at our Birmingham facility in just 9 days from order confirmation. Ultrasonic testing per our specification revealed no internal defects above acceptance criteria. Dimensional tolerance was within ±3mm on length, acceptable for our cutting allowances. Price competitive but not the lowest we found - paid approximately 8% premium for faster delivery which was worth it for our project timeline. Packaging adequate with steel strapping though corner protectors would improve handling safety. Decent supplier for time-sensitive orders.
用户
Carlos Silva
Brazil
2025-10-21
Solid Quality A36 for Agricultural Equipment
Purchased 14 tons of ASTM A36 carbon steel plate (6mm and 8mm thickness, 1200mm width) for manufacturing sugar cane harvester chassis components. Material quality is solid with consistent mechanical properties across the lot - tensile strength averaged 448 MPa in our testing. Formability was good for our press brake operations forming 90-degree bends without cracking. Compared quotes from 5 suppliers and this offered best combination of price and delivery time. Plates arrived in São Paulo port after 19 days including customs clearance. Surface had moderate mill scale requiring pickling before powder coating. One bundle had minor rust staining from sea transport but didn't affect usability. Good value overall, would order again for similar non-critical applications. 4 stars due to surface condition requiring extra preparation.
用户
Ahmed Al-Hassan
UAE
2025-11-08
Premium A572 Material for High-Rise Construction
We ordered 28 tons of ASTM A572 Grade 50 high-strength carbon steel plate (20mm thickness, custom cut to 1800mm x 4500mm) for our Dubai tower project's core wall connections. Material exceeded specifications with actual yield strength of 378 MPa and tensile strength of 512 MPa, verified by third-party SGS inspection we arranged. Chemical composition showed excellent weldability with carbon equivalent of 0.42%, perfect for our robotic welding setup. Plates arrived with protective oil coating suitable for 45°C ambient storage temperatures. Supplier coordinated delivery timing with our construction schedule, splitting shipment into two batches. Technical support team provided stress calculation verification for our engineering review. Outstanding quality justifies the investment for critical structural elements.
用户
William Taylor
Australia
2025-11-25
Reliable A36 Plates for Offshore Platform Repair
Long-term partner for structural carbon steel plates. This is our 4th order over the past 18 months for offshore platform maintenance projects. Consistency has been exceptional - every shipment of A36 grade material maintains carbon content between 0.23-0.25%, ensuring predictable welding parameters for our AWS D1.1 certified welders. Current order of 9 tons (10mm and 15mm mixed thickness, 2500mm length) arrived at our Perth workshop with complete ASME Section VIII documentation. Their understanding of Australian maritime certification requirements saves us significant administrative time. Plasma cutting service delivered bolt hole patterns within ±1.5mm tolerance, eliminating secondary machining. Looking forward to continued partnership for our 2026 project pipeline.
用户
Hans Mueller
Germany
2025-12-08
Good Value SS400 Plates for Machinery Base
Ordered 12 tons of JIS G3101 SS400 carbon steel plate (25mm thickness, 1500mm width) for heavy equipment foundation bases. Quality meets Japanese standards with yield strength 268 MPa verified in our laboratory. Surface finish acceptable for our application after shot blasting to Sa 2.5. Price was 15% lower than European suppliers we compared. Delivery took 16 days, slightly longer than the 14-day estimate but acceptable. Minor issue: two plates had small edge cracks (under 20mm) which required trimming, reducing usable material by approximately 1.5%. Overall good value for non-critical structural applications. 4 stars because of the edge quality issue, but supplier offered 3% discount on next order as compensation.
用户
James Wilson
United Kingdom
2025-12-23
Outstanding Service from Inquiry to Delivery
Excellent service experience from inquiry to delivery. Communication: Technical sales team responded within 2 hours with detailed specifications for our A36 plate requirements, providing CAD drawings for custom cutting layouts and welding procedure recommendations. Delivery: 18-ton shipment of 8mm plates arrived at our Manchester facility in 13 days, properly bundled with wooden dunnage and protective wrapping. Packaging: Each plate individually wrapped in VCI paper, steel banding secure, no edge damage or surface scratches observed. Documentation included complete traceability with heat numbers and ultrasonic test reports per ASTM A435. Their proactive updates during production and shipping made project planning seamless. Will definitely use for future structural steel projects.
用户
Michael Chen
Singapore
2026-01-07
Excellent A572 Grade 50 Plates for Shipyard Project
We ordered 22 tons of ASTM A572 Grade 50 carbon steel plate (12mm thickness, 2000mm x 6000mm) for our container ship bulkhead construction. Material certificates confirmed yield strength at 362 MPa, exceeding the 345 MPa minimum requirement. Mill test certificates per EN 10204 3.1 showed carbon content at 0.21% and excellent impact toughness. Surface quality was outstanding with minimal mill scale. Delivered in 11 days to our Jurong shipyard, 3 days ahead of quoted lead time. Welding qualification tests using GMAW process showed perfect penetration with no porosity. This is our second order this year.

了解供应商

快马钢铁有限公司

入驻 Sinoali.com 7 年

所在地:China

可定制 超低价
$565 1-49 吨 基准价
$540 50-99 吨 4.4% 优惠
$530 ≥100 吨 6.2% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 565.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

店铺推荐

更多产品 
 发送询价
邮件
邮件
[email protected]
复制邮箱
电话
电话
+86 133 7058 6666
复制号码