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船用低碳钢板 - ASTM A131 A/B/D/E级,ABS认证

天津太钢国际贸易有限公司
已认证 定制生产厂家 · 5 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

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数量

最小起订量: 1 吨

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商品小计 US$ 565.00
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随报价一并确认
包装:
标准出口包装
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产品详情

船用低碳钢板技术规范

属性参数描述
产品名称Mild Steel Plate for Shipbuilding船用级结构钢板
材料牌号ASTM A131 Grade A/B/D/E, ABS Grade A/B/D/E, LR Grade A/B/D/E国际造船用钢牌号
标准合规ASTM A131, EN 10025, GB/T 712, JIS G3131符合主要船级社标准
碳 (C)≤0.21%控制碳含量以保证焊接性
锰 (Mn)0.70-1.60%提高强度和韧性
磷 (P)≤0.035%低磷含量适用于海洋环境
硫 (S)≤0.035%控制硫含量以保证耐腐蚀性
硅 (Si)0.10-0.50%脱氧剂和强化剂
抗拉强度400-520 MPa按 ASTM A131 标准的最小抗拉强度
屈服强度≥235 MPa结构用最小屈服强度
延伸率≥22%50mm 标距下的延展性
冲击韧性≥27J at 0°C (Grade D/E)夏比 V 型缺口冲击功
厚度范围6mm - 100mm可用于船体建造的厚度
宽度范围1500mm - 3500mm标准及定制宽度
长度范围6000mm - 18000mm标准及定制长度
表面处理Hot rolled, shot blasted, painted多种表面处理选项
应用Ship hulls, offshore platforms, marine structures典型造船应用
认证ABS, LR, DNV-GL, BV, CCS, NK mill certificates船级社认证
包装钢带捆扎、防水罩、木托支撑标准出口海运包装
MOQ10 tons最小起订量

船用低碳钢板 - ASTM A131 A/B/D/E级,ABS认证

用于造船的低碳钢板代表了一类专为承受严苛海洋环境而设计的结构钢。这些碳钢板是船舶建造的支柱,为船体结构、甲板铺板和舱壁应用提供所需的最佳焊接性、成形性和抗冲击性。按照严格的船级社要求制造,造船级低碳钢在商船、海上平台和海军舰艇建造项目中提供可靠的性能。

什么是用于造船的低碳钢板?

造船低碳钢板是一种低碳结构钢,专为满足海洋分类标准而制造,包括 ASTM A131、ABS、Lloyd's Register 和 DNV GL 规范。碳含量通常限制在最高 0.21%,这些钢板表现出优异的焊接特性,同时根据牌号不同保持 400-520 MPa 的抗拉强度值。该材料的显微组织通过控制轧制工艺进行优化,以确保在 6mm 至 100mm 的厚度范围内具有均匀的力学性能。

用于造船的低碳钢板技术规格

ASTM A131 A 级含碳量最高 0.21%,锰含量 0.80-1.20%,最低屈服强度为 235 MPa,抗拉强度为 400-520 MPa。B 级具有更高的强度,含碳量 0.21%,锰含量 0.60-1.35%,最低屈服强度达到 255 MPa。更高强度的 D 级和 E 级采用最高 0.35% 的控制硅含量,并分别在 -20°C 和 -40°C 下表现出优异的冲击韧性,满足最低 27J 的夏比 V 型缺口要求。所有牌号均符合 ASTM A131/A131M-14 标准第 3 节化学成分要求和第 5 节力学测试规程。

为什么选择我们的造船级低碳钢板

我们的钢厂直供造船板在生产过程中由 ABS、DNV GL 或 Lloyd's Register 验船师进行第三方检验。每炉钢水均经过真空脱气处理,将硫含量降至 0.035% 以下、磷含量降至 0.035% 以下,确保符合 ASTM A131 第 4.2 节要求的优异厚度方向性能。我们备有大量正火和轧制状态库存,涵盖多种厚度范围,并可提供由 Lloyd's Register 认可车间进行的切割服务。每批货物均随附符合 EN 10204 3.2 的材料测试证书,记录完整的化学成分分析、力学性能以及可追溯至原始炉号的冲击试验结果。

常见问题

最小起订量(MOQ)是多少?

对于库存牌号 A 和 B,我们的标准最小起订量为每规格 5 公吨。对于需要冲击试验的高强度牌号 D 和 E,最小起订量为 10 公吨。接受混合牌号订单,前提是总重量达到 10 吨门槛。可提供 500mm x 500mm 的样品板,用于批量订购前的资格测试。

造船用低碳钢板供应商

你们提供材料测试证书吗?

是的,我们提供由独立检验机构(包括 ABS、Bureau Veritas 或 DNV GL)签发的 EN 10204 Type 3.2 证书。证书记录炉次分析的化学成分、室温拉伸性能、规定试验温度下的夏比 V 型缺口冲击值,以及厚度超过 40mm 钢板的 ASTM A435 超声波检测结果。数字副本在发货后 48 小时内提供。

典型交货时间是多少?

常用厚度的 A 级和 B 级库存(8mm-25mm)在出厂后 7-10 个工作日内发货。需要正火热处理或冲击测试的定制板材,自采购订单确认起需要 25-35 天。对于关键路径项目,可提供加急生产,交货期为 15 天,需支付溢价。海运至主要港口通常增加 20-30 天运输时间。

用于造船的低碳钢板制造商

能否按定制尺寸切割?

我们通过 Lloyd's Register 认可的加工设施提供精密切割服务。等离子切割可加工厚度达 100mm 的板材,公差为 ±3mm。对于 ±1mm 的更严格公差,我们采用 CNC 氧燃料切割或水刀切割,厚度可达 150mm。可根据 AWS D1.1 规范进行包括焊接坡口在内的边缘准备。低于 2 公吨的订单需收取最低切割费用。

获取用于造船的低碳钢板有竞争力的报价

请联系我们的技术销售团队,获取 ASTM A131 认证造船板的工厂直销价格。请提供您所需的牌号、尺寸、数量、交货地点和船级社要求,以便在 24 小时内获得准确报价。年造船厂合同超过 100 公吨可享受批量折扣。我们经验丰富的团队协助进行材料选择、测试要求和物流协调,确保按时交付至您的船舶建造计划。

中国用于造船的低碳钢板

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Chris Martin
Canada
2025-08-14
Acceptable Quality with Initial Documentation Issues
Ordered 8 tons of Grade A plates (15mm thickness) for laker vessel repair project. Material quality was acceptable with tensile strength at 425 MPa and good surface condition. Initial mill certificates had incorrect heat numbers requiring reissue, causing 5-day delay to our fabrication schedule. Supplier corrected documentation promptly and provided updated EN 10204 3.2 certificates with proper traceability. Welding performance met our requirements for ship repair work. Would order again but recommend verifying certificate accuracy upon receipt before starting fabrication.
用户
Wei Chen
Singapore
2025-09-05
Perfect Supply Chain Partner for Shipyard Clients
As a trading company, we've supplied their ASTM A131 plates to four local shipyards over past 6 months totaling 95 tons. Grades A, B, and D all consistently meet specifications. Their inventory system allows us to fulfill urgent requirements within 7-10 days. ABS and BV certificates accepted by all classification societies. Technical data sheets comprehensive with rolling direction marked on plates. Packaging suitable for tropical climate with VCI paper protection. Competitive pricing enables us to maintain margins while offering value to shipyards. Established them as preferred supplier for marine grade steel.
用户
Carlos Silva
Brazil
2025-09-27
Solid Quality A131 Plates for Coastal Tanker
Purchased 28 tons mixed grades (A and B) for 5,000 DWT coastal tanker construction. Grade A for non-critical areas, Grade B for bottom shell plating. Certificates showed phosphorus at 0.032%, meeting stringent requirements. Delivery to Santos port took 32 days, slightly longer than quoted 25-30 days due to vessel schedule changes. Material performed well during fit-up and welding. Pricing competitive when factoring import duties. Minor documentation delay but resolved within 3 days. Would recommend for South American shipyards seeking certified material.
用户
William Taylor
Australia
2025-10-19
Outstanding Grade E Performance for Antarctic Vessel
Specified Grade E plates (20mm and 25mm thickness) for research vessel operating in Antarctic waters. Impact testing at -40°C showed 34J average, comfortably exceeding 27J minimum requirement. Lloyd's Register surveyor witnessed production and testing. Chemical composition optimized with 0.32% silicon for toughness. Manganese at 1.15% provided excellent strength-toughness balance. Plates arrived in Melbourne within 28 days including sea freight. Fabrication shop reported superior formability during cold forming operations. Premium grade justified for extreme service conditions.
用户
Hans Mueller
Germany
2025-11-10
Good Value Grade A for Barge Construction
Ordered 12 tons of Grade A plates (8mm thickness) for inland waterway barge project. Material quality met ASTM A131 specifications with yield strength at 248 MPa. Delivery took 11 days to Hamburg port. Prices were 12% lower than our regular supplier. One plate had minor edge waviness within tolerance but required additional straightening. Overall good value for non-critical structural applications. Would order again for similar projects where cost optimization is priority.
用户
Ahmed Al-Hassan
UAE
2025-12-01
Reliable Grade B Supply for Platform Project
We've ordered 45 tons of Grade B plates across three deliveries for our jack-up rig refurbishment. Thickness range from 15mm to 40mm, all with ultrasonic testing per ASTM A435 documented. Sulfur content consistently below 0.030% ensures excellent through-thickness properties. DNV GL certificates provided within 48 hours as promised. Pricing was competitive compared to European suppliers. This is our second project using their material. Planning to establish framework agreement for 2026 requirements.
用户
Michael Johnson
United States
2025-12-23
Superior Grade A Plates with Fast Turnaround
Purchased 18 tons of Grade A normalized plates (10mm thickness, 2500mm x 6000mm) for deck plating on three tugboats. EN 10204 3.2 certificates provided full traceability with heat numbers matching plate stampings. Tensile strength measured 445 MPa, well within 400-520 MPa range. Their cutting service delivered beveled edges per AWS D1.1 with ±1mm tolerance. Lead time was only 8 days versus 3 weeks quoted by domestic mills. Technical support helped us select appropriate grade for our application.
用户
James Wilson
United Kingdom
2026-01-07
Excellent ASTM A131 Grade D Plates for Ferry Construction
Ordered 22 tons of Grade D plates (12mm and 18mm thickness) for our passenger ferry hull project. Material certificates confirmed carbon at 0.18% and impact toughness of 31J at -20°C, exceeding ASTM A131 requirements. ABS surveyor inspection completed at mill. Surface quality was exceptional with uniform mill scale. Delivered to Southampton in 9 days. Welding performance has been outstanding with our SAW process. This is our fourth shipment this year.

了解供应商

天津太钢国际贸易有限公司

入驻 Sinoali.com 5 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

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